pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--
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or more contributor license agreements.  See the NOTICE file
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regarding copyright ownership.  The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
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  http:https://www.apache.org/licenses/LICENSE-2.0
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KIND, either express or implied.  See the License for the
specific language governing permissions and limitations
under the License.
-->
<project xsi:schemaLocation="http:https://maven.apache.org/POM/4.0.0 http:https://maven.apache.org/xsd/maven-4.0.0.xsd"
		 xmlns="http:https://maven.apache.org/POM/4.0.0" xmlns:xsi="http:https://www.w3.org/2001/XMLSchema-instance">

	<parent>
		<groupId>org.apache</groupId>
		<artifactId>apache</artifactId>
		<version>20</version>
	</parent>

	<modelVersion>4.0.0</modelVersion>

	<groupId>org.apache.flink</groupId>
	<artifactId>flink-parent</artifactId>
	<version>1.13-SNAPSHOT</version>

	<name>Flink : </name>
	<packaging>pom</packaging>
	<url>https://flink.apache.org</url>
	<inceptionYear>2014</inceptionYear>

	<licenses>
		<license>
			<name>The Apache Software License, Version 2.0</name>
			<url>https://www.apache.org/licenses/LICENSE-2.0.txt</url>
			<distribution>repo</distribution>
		</license>
	</licenses>

	<scm>
		<url>https://github.com/apache/flink</url>
		<connection>git@github.com:apache/flink.git</connection>
		<developerConnection>scm:git:https://gitbox.apache.org/repos/asf/flink.git</developerConnection>
	</scm>

	<modules>
		<!-- Dummy module to force execution of the Maven Shade plugin (see Shade plugin below) -->
		<module>tools/force-shading</module>
		<module>flink-annotations</module>
		<module>flink-core</module>
		<module>flink-java</module>
		<module>flink-scala</module>
		<module>flink-filesystems</module>
		<module>flink-runtime</module>
		<module>flink-runtime-web</module>
		<module>flink-optimizer</module>
		<module>flink-streaming-java</module>
		<module>flink-streaming-scala</module>
		<module>flink-connectors</module>
		<module>flink-formats</module>
		<module>flink-examples</module>
		<module>flink-clients</module>
		<module>flink-container</module>
		<module>flink-queryable-state</module>
		<module>flink-tests</module>
		<module>flink-end-to-end-tests</module>
		<module>flink-test-utils-parent</module>
		<module>flink-state-backends</module>
		<module>flink-libraries</module>
		<module>flink-table</module>
		<module>flink-quickstart</module>
		<module>flink-contrib</module>
		<module>flink-dist</module>
		<module>flink-mesos</module>
		<module>flink-metrics</module>
		<module>flink-yarn</module>
		<module>flink-yarn-tests</module>
		<module>flink-fs-tests</module>
		<module>flink-docs</module>
		<module>flink-python</module>
		<module>flink-ml-parent</module>
		<module>flink-walkthroughs</module>
		<module>flink-kubernetes</module>
		<module>flink-external-resources</module>
		<module>tools/ci/java-ci-tools</module>
	</modules>

	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
		<hadoop.version>2.4.1</hadoop.version>
		<!-- Need to use a user property here because the surefire
			 forkCount is not exposed as a property. With this we can set
			 it on the "mvn" commandline in travis. -->
		<flink.forkCount>1C</flink.forkCount>
		<!-- Allow overriding the fork behaviour for the expensive tests in flink-tests
			 to avoid process kills due to container limits on TravisCI -->
		<flink.forkCountTestPackage>${flink.forkCount}</flink.forkCountTestPackage>
		<flink.reuseForks>true</flink.reuseForks>
		<flink.shaded.version>12.0</flink.shaded.version>
		<guava.version>18.0</guava.version>
		<akka.version>2.5.21</akka.version>
		<target.java.version>1.8</target.java.version>
		<slf4j.version>1.7.15</slf4j.version>
		<log4j.version>2.12.1</log4j.version>
		<!-- Overwrite default values from parent pom.
			 Intellij is (sometimes?) using those values to choose target language level
			 and thus is changing back to java 1.6 on each maven re-import -->
		<maven.compiler.source>${target.java.version}</maven.compiler.source>
		<maven.compiler.target>${target.java.version}</maven.compiler.target>
		<scala.macros.version>2.1.1</scala.macros.version>
		<!-- Default scala versions, must be overwritten by build profiles, so we set something
		invalid here -->
		<scala.version>2.11.12</scala.version>
		<scala.binary.version>2.11</scala.binary.version>
		<chill.version>0.7.6</chill.version>
		<zookeeper.version>3.4.14</zookeeper.version>
		<!-- Only the curator2 TestingServer works with ZK 3.4 -->
		<curator.version>2.12.0</curator.version>
		<jackson.version>2.10.1</jackson.version>
		<prometheus.version>0.8.1</prometheus.version>
		<avro.version>1.10.0</avro.version>
		<javax.activation.api.version>1.2.0</javax.activation.api.version>
		<jaxb.api.version>2.3.1</jaxb.api.version>
		<junit.version>4.12</junit.version>
		<mockito.version>2.21.0</mockito.version>
		<powermock.version>2.0.4</powermock.version>
		<hamcrest.version>1.3</hamcrest.version>
		<py4j.version>0.10.8.1</py4j.version>
		<beam.version>2.23.0</beam.version>
		<protoc.version>3.11.1</protoc.version>
		<arrow.version>0.16.0</arrow.version>
		<japicmp.skip>false</japicmp.skip>
		<flink.convergence.phase>validate</flink.convergence.phase>
		<!--
			Keeping the MiniKDC version fixed instead of taking hadoop version dependency
			to support testing Kafka, ZK etc., modules that does not have Hadoop dependency
			Starting Hadoop 3, org.apache.kerby will be used instead of MiniKDC. We may have
			to revisit the impact at that time.
		-->
		<minikdc.version>3.2.0</minikdc.version>
		<generated.docs.dir>./docs/layouts/shortcodes/generated</generated.docs.dir>
		<hive.version>2.3.4</hive.version>
		<hive-2.2.0-orc-version>1.4.3</hive-2.2.0-orc-version>
		<orc.version>1.5.6</orc.version>
		<!--
			Hive 2.3.4 relies on Hadoop 2.7.2 and later versions.
			For Hadoop 2.7, the minor Hadoop version supported for flink-shaded-hadoop-2-uber is 2.7.5
		-->
		<hivemetastore.hadoop.version>2.7.5</hivemetastore.hadoop.version>
		<japicmp.referenceVersion>1.12.0</japicmp.referenceVersion>
		<japicmp.outputDir>tools/japicmp-output</japicmp.outputDir>
		<spotless.version>2.4.2</spotless.version>

		<!-- Can be set to any value to reproduce a specific build. -->
		<test.randomization.seed>${git.commit.id}</test.randomization.seed>
	</properties>

	<dependencies>

		<dependency>
			<groupId>org.apache.flink</groupId>
			<artifactId>force-shading</artifactId>
			<version>1.13-SNAPSHOT</version>
		</dependency>

		<!-- Root dependencies for all projects -->

		<!-- Logging API -->
		<dependency>
			<groupId>org.slf4j</groupId>
			<artifactId>slf4j-api</artifactId>
		</dependency>

		<!-- 'javax.annotation' classes like '@Nullable' -->
		<dependency>
			<groupId>com.google.code.findbugs</groupId>
			<artifactId>jsr305</artifactId>
		</dependency>

		<!-- test dependencies -->

		<dependency>
			<groupId>junit</groupId>
			<artifactId>junit</artifactId>
			<type>jar</type>
			<scope>test</scope>
		</dependency>

		<dependency>
			<groupId>org.mockito</groupId>
			<artifactId>mockito-core</artifactId>
			<version>${mockito.version}</version>
			<type>jar</type>
			<scope>test</scope>
		</dependency>

		<dependency>
			<groupId>org.powermock</groupId>
			<artifactId>powermock-module-junit4</artifactId>
			<version>${powermock.version}</version>
			<type>jar</type>
			<scope>test</scope>
		</dependency>

		<dependency>
			<groupId>org.powermock</groupId>
			<artifactId>powermock-api-mockito2</artifactId>
			<version>${powermock.version}</version>
			<type>jar</type>
			<scope>test</scope>
			<exclusions>
				<exclusion>
					<groupId>org.mockito</groupId>
					<artifactId>mockito-core</artifactId>
				</exclusion>
			</exclusions>
		</dependency>

		<dependency>
			<groupId>org.hamcrest</groupId>
			<artifactId>hamcrest-all</artifactId>
			<version>${hamcrest.version}</version>
			<type>jar</type>
			<scope>test</scope>
		</dependency>

		<!-- tests will have log4j as the default logging framework available -->

		<dependency>
			<groupId>org.apache.logging.log4j</groupId>
			<artifactId>log4j-slf4j-impl</artifactId>
			<scope>test</scope>
		</dependency>

		<dependency>
			<groupId>org.apache.logging.log4j</groupId>
			<artifactId>log4j-api</artifactId>
			<scope>test</scope>
		</dependency>

		<dependency>
			<groupId>org.apache.logging.log4j</groupId>
			<artifactId>log4j-core</artifactId>
			<scope>test</scope>
		</dependency>

		<dependency>
			<!-- API bridge between log4j 1 and 2 -->
			<groupId>org.apache.logging.log4j</groupId>
			<artifactId>log4j-1.2-api</artifactId>
			<scope>test</scope>
		</dependency>

	</dependencies>

	<!-- this section defines the module versions that are used if nothing else is specified. -->

	<dependencyManagement>
		<!-- WARN:
			DO NOT put 	guava,
						protobuf,
						asm,
						netty
					here. It will overwrite Hadoop's guava dependency (even though we handle it
			separatly in the flink-shaded-hadoop-2 dependency).
		-->
		<dependencies>

			<dependency>
				<groupId>org.apache.flink</groupId>
				<artifactId>flink-shaded-asm-7</artifactId>
				<version>7.1-${flink.shaded.version}</version>
			</dependency>

			<dependency>
				<groupId>org.apache.flink</groupId>
				<artifactId>flink-shaded-guava</artifactId>
				<version>18.0-${flink.shaded.version}</version>
			</dependency>

			<dependency>
				<groupId>org.apache.flink</groupId>
				<artifactId>flink-shaded-jackson</artifactId>
				<version>${jackson.version}-${flink.shaded.version}</version>
			</dependency>

			<dependency>
				<groupId>org.apache.flink</groupId>
				<artifactId>flink-shaded-jackson-module-jsonSchema</artifactId>
				<version>${jackson.version}-${flink.shaded.version}</version>
			</dependency>

			<dependency>
				<groupId>org.apache.flink</groupId>
				<artifactId>flink-shaded-netty</artifactId>
				<version>4.1.49.Final-${flink.shaded.version}</version>
			</dependency>

			<dependency>
				<groupId>org.apache.flink</groupId>
				<artifactId>flink-shaded-netty-tcnative-dynamic</artifactId>
				<version>2.0.30.Final-${flink.shaded.version}</version>
				<scope>test</scope>
			</dependency>

			<dependency>
				<groupId>org.apache.hadoop</groupId>
				<artifactId>hadoop-common</artifactId>
				<version>${hadoop.version}</version>
				<exclusions>
					<exclusion>
						<groupId>jdk.tools</groupId>
						<artifactId>jdk.tools</artifactId>
					</exclusion>
					<exclusion>
						<groupId>log4j</groupId>
						<artifactId>log4j</artifactId>
					</exclusion>
					<exclusion>
						<groupId>org.slf4j</groupId>
						<artifactId>slf4j-log4j12</artifactId>
					</exclusion>
				</exclusions>
			</dependency>

			<dependency>
				<groupId>org.apache.hadoop</groupId>
				<artifactId>hadoop-hdfs</artifactId>
				<version>${hadoop.version}</version>
				<exclusions>
					<exclusion>
						<groupId>jdk.tools</groupId>
						<artifactId>jdk.tools</artifactId>
					</exclusion>
					<exclusion>
						<groupId>log4j</groupId>
						<artifactId>log4j</artifactId>
					</exclusion>
					<exclusion>
						<groupId>org.slf4j</groupId>
						<artifactId>slf4j-log4j12</artifactId>
					</exclusion>
				</exclusions>
			</dependency>

			<dependency>
				<groupId>org.apache.hadoop</groupId>
				<artifactId>hadoop-mapreduce-client-core</artifactId>
				<version>${hadoop.version}</version>
				<exclusions>
					<exclusion>
						<groupId>jdk.tools</groupId>
						<artifactId>jdk.tools</artifactId>
					</exclusion>
					<exclusion>
						<groupId>log4j</groupId>
						<artifactId>log4j</artifactId>
					</exclusion>
					<exclusion>
						<groupId>org.slf4j</groupId>
						<artifactId>slf4j-log4j12</artifactId>
					</exclusion>
				</exclusions>
			</dependency>

			<dependency>
				<groupId>org.apache.hadoop</groupId>
				<artifactId>hadoop-yarn-common</artifactId>
				<version>${hadoop.version}</version>
				<exclusions>
					<exclusion>
						<groupId>jdk.tools</groupId>
						<artifactId>jdk.tools</artifactId>
					</exclusion>
					<exclusion>
						<groupId>log4j</groupId>
						<artifactId>log4j</artifactId>
					</exclusion>
					<exclusion>
						<groupId>org.slf4j</groupId>
						<artifactId>slf4j-log4j12</artifactId>
					</exclusion>
				</exclusions>
			</dependency>

			<dependency>
				<groupId>org.apache.hadoop</groupId>
				<artifactId>hadoop-yarn-client</artifactId>
				<version>${hadoop.version}</version>
				<exclusions>
					<exclusion>
						<groupId>jdk.tools</groupId>
						<artifactId>jdk.tools</artifactId>
					</exclusion>
					<exclusion>
						<groupId>log4j</groupId>
						<artifactId>log4j</artifactId>
					</exclusion>
					<exclusion>
						<groupId>org.slf4j</groupId>
						<artifactId>slf4j-log4j12</artifactId>
					</exclusion>
				</exclusions>
			</dependency>

			<dependency>
				<groupId>org.apache.flink</groupId>
				<artifactId>flink-shaded-zookeeper-3</artifactId>
				<version>${zookeeper.version}-${flink.shaded.version}</version>
			</dependency>

			<!-- This manages the 'javax.annotation' annotations (JSR305) -->
			<dependency>
				<groupId>com.google.code.findbugs</groupId>
				<artifactId>jsr305</artifactId>
				<version>1.3.9</version>
			</dependency>

			<dependency>
				<groupId>org.slf4j</groupId>
				<artifactId>slf4j-api</artifactId>
				<version>${slf4j.version}</version>
			</dependency>

			<dependency>
				<groupId>org.apache.logging.log4j</groupId>
				<artifactId>log4j-slf4j-impl</artifactId>
				<version>${log4j.version}</version>
			</dependency>

			<dependency>
				<groupId>org.apache.logging.log4j</groupId>
				<artifactId>log4j-api</artifactId>
				<version>${log4j.version}</version>
			</dependency>

			<dependency>
				<groupId>org.apache.logging.log4j</groupId>
				<artifactId>log4j-core</artifactId>
				<version>${log4j.version}</version>
			</dependency>

			<dependency>
				<!-- API bridge between log4j 1 and 2 -->
				<groupId>org.apache.logging.log4j</groupId>
				<artifactId>log4j-1.2-api</artifactId>
				<version>${log4j.version}</version>
			</dependency>

			<dependency>
				<groupId>org.apache.commons</groupId>
				<artifactId>commons-lang3</artifactId>
				<version>3.3.2</version>
			</dependency>

			<dependency>
				<groupId>org.xerial.snappy</groupId>
				<artifactId>snappy-java</artifactId>
				<version>1.1.4</version>
			</dependency>

			<dependency>
				<groupId>com.github.oshi</groupId>
				<artifactId>oshi-core</artifactId>
				<version>3.4.0</version>
			</dependency>

			<!-- We no longer align the avro version with the version bundled in Hadoop.
			 Users might need to downgrade the avro version for a particular Hadoop version. -->
			<dependency>
				<groupId>org.apache.avro</groupId>
				<artifactId>avro</artifactId>
				<version>${avro.version}</version>
			</dependency>

			<!-- For dependency convergence -->
			<dependency>
				<groupId>org.hamcrest</groupId>
				<artifactId>hamcrest-core</artifactId>
				<version>${hamcrest.version}</version>
			</dependency>

			<dependency>
				<!-- mockito/powermock mismatch -->
				<groupId>net.bytebuddy</groupId>
				<artifactId>byte-buddy</artifactId>
				<version>1.8.15</version>
			</dependency>

			<dependency>
				<!-- mockito/powermock mismatch -->
				<groupId>net.bytebuddy</groupId>
				<artifactId>byte-buddy-agent</artifactId>
				<version>1.8.15</version>
			</dependency>

			<!-- For dependency convergence -->
			<dependency>
				<groupId>org.objenesis</groupId>
				<artifactId>objenesis</artifactId>
				<version>2.1</version>
			</dependency>

			<!-- For dependency convergence -->
			<dependency>
				<groupId>com.typesafe</groupId>
				<artifactId>config</artifactId>
				<version>1.3.0</version>
			</dependency>

			<!-- For dependency convergence -->
			<dependency>
				<groupId>commons-logging</groupId>
				<artifactId>commons-logging</artifactId>
				<version>1.1.3</version>
			</dependency>

			<dependency>
				<groupId>com.fasterxml.jackson</groupId>
				<artifactId>jackson-bom</artifactId>
				<type>pom</type>
				<scope>import</scope>
				<version>2.12.1</version>
			</dependency>

			<dependency>
				<!-- re-branded javax.activation:javax.activation-api that is provided by flink-dist
				 	(the package names are identical!) -->
				<groupId>jakarta.activation</groupId>
				<artifactId>jakarta.activation-api</artifactId>
				<version>1.2.1</version>
				<scope>provided</scope>
			</dependency>

			<dependency>
				<!-- re-branded javax.xml.bind:jaxb-api that is provided by flink-dist
					(the package names are identical!) -->
				<groupId>jakarta.xml.bind</groupId>
				<artifactId>jakarta.xml.bind-api</artifactId>
				<version>2.3.2</version>
				<scope>provided</scope>
			</dependency>

			<!-- For dependency convergence -->
			<dependency>
				<groupId>junit</groupId>
				<artifactId>junit</artifactId>
				<version>${junit.version}</version>
			</dependency>

			<!-- Make sure we use a consistent commons-cli version throughout the project -->
			<dependency>
				<groupId>commons-cli</groupId>
				<artifactId>commons-cli</artifactId>
				<version>1.3.1</version>
			</dependency>

			<dependency>
				<groupId>commons-io</groupId>
				<artifactId>commons-io</artifactId>
				<version>2.7</version>
			</dependency>

			<!-- commons collections needs to be pinned to this critical security fix version -->
			<dependency>
				<groupId>commons-collections</groupId>
				<artifactId>commons-collections</artifactId>
				<version>3.2.2</version>
			</dependency>

			<!--We have to bump the commons-configuration to version 1.7 because Hadoop uses per
			default 1.6. This version has the problem that it depends on commons-beanutils-core and
			commons-digester. Commons-digester depends on commons-beanutils. Both dependencies are
			contains classes of commons-collections. Since the dependency reduced pom does not
			exclude commons-beanutils from commons-configuration, sbt would pull it in again. The
			solution is setting the version of commons-configuration to 1.7 which also depends on
			common-beanutils. Consequently, the dependency reduced pom will also contain an
			exclusion for commons-beanutils for commons-configuration. -->
			<dependency>
				<groupId>commons-configuration</groupId>
				<artifactId>commons-configuration</artifactId>
				<version>1.7</version>
			</dependency>

			<dependency>
				<groupId>commons-codec</groupId>
				<artifactId>commons-codec</artifactId>
				<version>1.13</version>
			</dependency>

			<dependency>
				<groupId>org.apache.commons</groupId>
				<artifactId>commons-math3</artifactId>
				<version>3.5</version>
			</dependency>

			<dependency>
				<groupId>org.apache.commons</groupId>
				<artifactId>commons-compress</artifactId>
				<version>1.20</version>
			</dependency>

			<!-- Managed dependency required for HBase in flink-connector-hbase -->
			<dependency>
				<groupId>org.javassist</groupId>
				<artifactId>javassist</artifactId>
				<version>3.24.0-GA</version>
			</dependency>

			<!-- joda time is pulled in different versions by different transitive dependencies-->
			<dependency>
				<groupId>joda-time</groupId>
				<artifactId>joda-time</artifactId>
				<version>2.5</version>
			</dependency>

			<dependency>
				<groupId>org.joda</groupId>
				<artifactId>joda-convert</artifactId>
				<version>1.7</version>
			</dependency>

			<!-- kryo used in different versions by Flink an chill -->
			<dependency>
				<groupId>com.esotericsoftware.kryo</groupId>
				<artifactId>kryo</artifactId>
				<version>2.24.0</version>
			</dependency>

			<dependency>
				<groupId>org.scala-lang</groupId>
				<artifactId>scala-library</artifactId>
				<version>${scala.version}</version>
			</dependency>

			<dependency>
				<groupId>org.scala-lang</groupId>
				<artifactId>scala-reflect</artifactId>
				<version>${scala.version}</version>
			</dependency>

			<dependency>
				<groupId>org.scala-lang</groupId>
				<artifactId>scala-compiler</artifactId>
				<version>${scala.version}</version>
			</dependency>

			<dependency>
				<groupId>org.clapper</groupId>
				<artifactId>grizzled-slf4j_${scala.binary.version}</artifactId>
				<version>1.3.2</version>
			</dependency>

			<dependency>
				<groupId>com.typesafe.akka</groupId>
				<artifactId>akka-actor_${scala.binary.version}</artifactId>
				<version>${akka.version}</version>
			</dependency>

			<dependency>
				<groupId>com.typesafe.akka</groupId>
				<artifactId>akka-remote_${scala.binary.version}</artifactId>
				<version>${akka.version}</version>
				<exclusions>
					<exclusion>
						<groupId>io.aeron</groupId>
						<artifactId>aeron-driver</artifactId>
					</exclusion>
					<exclusion>
						<groupId>io.aeron</groupId>
						<artifactId>aeron-client</artifactId>
					</exclusion>
				</exclusions>
			</dependency>

			<!-- Transitive dependency of akka-remote that we explicitly define to keep it
                visible after the shading (without relocation!) of akka-remote -->
			<dependency>
				<groupId>com.typesafe.akka</groupId>
				<artifactId>akka-stream_${scala.binary.version}</artifactId>
				<version>${akka.version}</version>
			</dependency>

			<!-- Transitive dependency of akka-remote that we explicitly define to keep it
                visible after the shading (without relocation!) of akka-remote -->
			<dependency>
				<groupId>com.typesafe.akka</groupId>
				<artifactId>akka-protobuf_${scala.binary.version}</artifactId>
				<version>${akka.version}</version>
			</dependency>

			<dependency>
				<groupId>com.typesafe.akka</groupId>
				<artifactId>akka-slf4j_${scala.binary.version}</artifactId>
				<version>${akka.version}</version>
			</dependency>

			<dependency>
				<groupId>org.scala-lang.modules</groupId>
				<artifactId>scala-parser-combinators_${scala.binary.version}</artifactId>
				<version>1.1.1</version>
			</dependency>

			<dependency>
				<groupId>com.typesafe.akka</groupId>
				<artifactId>akka-testkit_${scala.binary.version}</artifactId>
				<version>${akka.version}</version>
				<scope>test</scope>
			</dependency>

			<dependency>
				<groupId>org.scalatest</groupId>
				<artifactId>scalatest_${scala.binary.version}</artifactId>
				<version>3.0.0</version>
				<scope>test</scope>
			</dependency>

			<dependency>
				<groupId>com.github.scopt</groupId>
				<artifactId>scopt_${scala.binary.version}</artifactId>
				<version>3.5.0</version>
				<exclusions>
					<exclusion>
						<groupId>org.scala-lang</groupId>
						<artifactId>scala-library</artifactId>
					</exclusion>
				</exclusions>
			</dependency>

			<dependency>
				<groupId>org.apache.zookeeper</groupId>
				<artifactId>zookeeper</artifactId>
				<version>${zookeeper.version}</version>
				<exclusions>
					<exclusion>
						<groupId>log4j</groupId>
						<artifactId>log4j</artifactId>
					</exclusion>
					<exclusion>
						<groupId>org.slf4j</groupId>
						<artifactId>slf4j-log4j12</artifactId>
					</exclusion>
					<!-- Netty is only needed for ZK servers, not clients -->
					<exclusion>
						<groupId>io.netty</groupId>
						<artifactId>netty</artifactId>
					</exclusion>
					<!-- jline is optional for ZK console shell -->
					<exclusion>
						<groupId>jline</groupId>
						<artifactId>jline</artifactId>
					</exclusion>
				</exclusions>
			</dependency>

			<dependency>
				<!-- For dependency convergence
					On Java 8- this dependency is bundled with the JDK
					On Java 11+ this dependency is bundled in flink-dist -->
				<groupId>javax.xml.bind</groupId>
				<artifactId>jaxb-api</artifactId>
				<version>${jaxb.api.version}</version>
			</dependency>

			<dependency>
				<!-- For dependency convergence
					On Java 8- this dependency is bundled with the JDK
					On Java 11+ this dependency is bundled in flink-dist -->
				<groupId>javax.activation</groupId>
				<artifactId>javax.activation-api</artifactId>
				<version>${javax.activation.api.version}</version>
			</dependency>

			<!-- We have to define the versions for httpcore and httpclient here such that a consistent
			 version is used by the shaded hadoop jars and the flink-yarn-test project because of MNG-5899.

			 See FLINK-6836 for more details -->
			<dependency>
				<groupId>org.apache.httpcomponents</groupId>
				<artifactId>httpcore</artifactId>
				<version>4.4.6</version>
			</dependency>

			<dependency>
				<groupId>org.apache.httpcomponents</groupId>
				<artifactId>httpclient</artifactId>
				<version>4.5.3</version>
			</dependency>

			<dependency>
				<groupId>org.reflections</groupId>
				<artifactId>reflections</artifactId>
				<version>0.9.10</version>
				<scope>test</scope>
			</dependency>

			<dependency>
				<groupId>org.apache.flink</groupId>
				<artifactId>flink-test-utils-junit</artifactId>
				<version>${project.version}</version>
				<scope>test</scope>
			</dependency>

			<dependency>
				<!-- log4j2 has an optional dependency on disruptor which may affect other dependencies (like hive)
					pin the version here to make this behavior explicit -->
				<groupId>com.lmax</groupId>
				<artifactId>disruptor</artifactId>
				<version>3.4.2</version>
			</dependency>
			<dependency>
				<!-- Bumped for security purposes and making it work with Jackson dependencies (2.10.1) -->
				<groupId>org.yaml</groupId>
				<artifactId>snakeyaml</artifactId>
				<version>1.27</version>
			</dependency>
		</dependencies>
	</dependencyManagement>

	<profiles>
		<profile>
			<id>scala-2.11</id>
			<properties>
				<scala.version>2.11.12</scala.version>
				<scala.binary.version>2.11</scala.binary.version>
			</properties>
			<activation>
				<property>
					<name>!scala-2.12</name>
				</property>
			</activation>
			<!-- Scala Shell doesn't currently work with Scala 2.12 so only include
			when building for Scala 2.11. -->
			<modules>
				<module>flink-scala-shell</module>
			</modules>
			<build>
				<plugins>
					<!-- make sure we don't have any _2.10 or _2.12 dependencies when building
					for Scala 2.11 -->
					<plugin>
						<groupId>org.apache.maven.plugins</groupId>
						<artifactId>maven-enforcer-plugin</artifactId>
						<executions>
							<execution>
								<id>enforce-versions</id>
								<goals>
									<goal>enforce</goal>
								</goals>
								<configuration>
									<rules>
										<bannedDependencies>
											<excludes combine.children="append">
												<exclude>*:*_2.12</exclude>
												<exclude>*:*_2.10</exclude>
											</excludes>
										</bannedDependencies>
									</rules>
								</configuration>
							</execution>
						</executions>
					</plugin>
				</plugins>
			</build>
		</profile>


		<profile>
			<id>scala-2.12</id>
			<properties>
				<scala.version>2.12.7</scala.version>
				<scala.binary.version>2.12</scala.binary.version>
			</properties>
			<activation>
				<property>
					<name>scala-2.12</name>
				</property>
			</activation>
			<build>
				<plugins>
					<!-- don't run tests that don't work for Scala 2.12, because not all of the
					required test dependencies are available for Scala 2.12. The Kafka 0.9 connector
					still works with Scala 2.12 because it only needs the scala-version-independent
					kafka-clients dependency at runtime. -->
					<plugin>
						<groupId>org.codehaus.mojo</groupId>
						<artifactId>build-helper-maven-plugin</artifactId>
						<executions>
							<execution>
								<id>regex-property</id>
								<goals>
									<goal>regex-property</goal>
								</goals>
								<configuration>
									<name>maven.test.skip</name>
									<value>${project.artifactId}</value>
									<regex>(flink-scala-shell.*)</regex>
									<replacement>true</replacement>
									<failIfNoMatch>false</failIfNoMatch>
								</configuration>
							</execution>
						</executions>
					</plugin>
					<!-- make sure we don't have any _2.10 or _2.11 dependencies when building
					for Scala 2.12 -->
					<plugin>
						<groupId>org.apache.maven.plugins</groupId>
						<artifactId>maven-enforcer-plugin</artifactId>
						<executions>
							<execution>
								<id>enforce-versions</id>
								<goals>
									<goal>enforce</goal>
								</goals>
								<configuration>
									<rules>
										<bannedDependencies>
											<excludes combine.children="append">
												<exclude>*:*_2.11</exclude>
												<exclude>*:*_2.10</exclude>
											</excludes>
										</bannedDependencies>
									</rules>
								</configuration>
							</execution>
						</executions>
					</plugin>
				</plugins>
			</build>
		</profile>

		<profile>
			<id>java11</id>
			<activation>
				<jdk>[11,)</jdk>
			</activation>

			<build>
				<pluginManagement>
					<plugins>
						<plugin>
							<groupId>org.codehaus.mojo</groupId>
							<artifactId>build-helper-maven-plugin</artifactId>
							<version>1.7</version>
						</plugin>
						<plugin>
							<groupId>org.apache.maven.plugins</groupId>
							<artifactId>maven-shade-plugin</artifactId>
							<version>3.2.1</version>
						</plugin>
						<plugin>
							<groupId>com.github.siom79.japicmp</groupId>
							<artifactId>japicmp-maven-plugin</artifactId>
							<dependencies>
								<dependency>
									<groupId>javax.xml.bind</groupId>
									<artifactId>jaxb-api</artifactId>
									<version>2.3.0</version>
								</dependency>
								<dependency>
									<groupId>com.sun.xml.bind</groupId>
									<artifactId>jaxb-impl</artifactId>
									<version>2.3.0</version>
								</dependency>
								<dependency>
									<groupId>com.sun.xml.bind</groupId>
									<artifactId>jaxb-core</artifactId>
									<version>2.3.0</version>
								</dependency>
								<dependency>
									<groupId>javax.activation</groupId>
									<artifactId>activation</artifactId>
									<version>1.1.1</version>
								</dependency>
							</dependencies>
						</plugin>
						<plugin>
							<groupId>org.apache.maven.plugins</groupId>
							<artifactId>maven-surefire-plugin</artifactId>
							<configuration>
								<excludedGroups>org.apache.flink.testutils.junit.FailsOnJava11</excludedGroups>
							</configuration>
						</plugin>
						<plugin>
							<groupId>org.apache.maven.plugins</groupId>
							<artifactId>maven-javadoc-plugin</artifactId>
							<configuration>
								<additionalJOptions>
									<additionalJOption>--add-exports=java.base/sun.net.util=ALL-UNNAMED</additionalJOption>
								</additionalJOptions>
							</configuration>
						</plugin>
					</plugins>
				</pluginManagement>

				<plugins>
					<plugin>
						<groupId>org.apache.maven.plugins</groupId>
						<artifactId>maven-compiler-plugin</artifactId>
						<configuration>
							<source>11</source>
							<target>11</target>
							<compilerArgs combine.children="append">
								<arg>--add-exports=java.base/sun.net.util=ALL-UNNAMED</arg>
								<arg>--add-exports=java.management/sun.management=ALL-UNNAMED</arg>
								<arg>--add-exports=java.rmi/sun.rmi.registry=ALL-UNNAMED</arg>
								<arg>--add-exports=java.security.jgss/sun.security.krb5=ALL-UNNAMED</arg>
							</compilerArgs>
						</configuration>
					</plugin>
				</plugins>
			</build>
		</profile>

		<profile>
			<id>fast</id>
			<activation>
				<property>
					<name>fast</name>
				</property>
			</activation>
			<build>
				<pluginManagement>
					<plugins>
						<plugin>
							<groupId>org.apache.rat</groupId>
							<artifactId>apache-rat-plugin</artifactId>
							<configuration>
								<skip>true</skip>
							</configuration>
						</plugin>
						<plugin>
							<groupId>org.apache.maven.plugins</groupId>
							<artifactId>maven-checkstyle-plugin</artifactId>
							<configuration>
								<skip>true</skip>
							</configuration>
						</plugin>
						<plugin>
							<groupId>com.diffplug.spotless</groupId>
							<artifactId>spotless-maven-plugin</artifactId>
							<configuration>
								<skip>true</skip>
							</configuration>
						</plugin>
						<plugin>
							<groupId>org.scalastyle</groupId>
							<artifactId>scalastyle-maven-plugin</artifactId>
							<configuration>
								<skip>true</skip>
							</configuration>
						</plugin>
						<plugin>
							<groupId>org.apache.maven.plugins</groupId>
							<artifactId>maven-enforcer-plugin</artifactId>
							<configuration>
								<skip>true</skip>
							</configuration>
						</plugin>
						<plugin>
							<groupId>org.apache.maven.plugins</groupId>
							<artifactId>maven-javadoc-plugin</artifactId>
							<configuration>
								<skip>true</skip>
							</configuration>
						</plugin>
						<plugin>
							<groupId>com.github.siom79.japicmp</groupId>
							<artifactId>japicmp-maven-plugin</artifactId>
							<configuration>
								<skip>true</skip>
							</configuration>
						</plugin>
					</plugins>
				</pluginManagement>
			</build>
		</profile>

		<profile>
			<id>check-convergence</id>
			<activation>
				<property>
					<name>check-convergence</name>
				</property>
			</activation>
			<build>
				<plugins>
					<plugin>
						<groupId>org.apache.maven.plugins</groupId>
						<artifactId>maven-enforcer-plugin</artifactId>
						<executions>
							<execution>
								<id>dependency-convergence</id>
								<phase>${flink.convergence.phase}</phase>
							</execution>
						</executions>
					</plugin>
				</plugins>
			</build>
		</profile>

		<profile>
			<id>spotbugs</id>
			<activation>
				<property>
					<name>spotbugs</name>
				</property>
			</activation>
			<build>
				<plugins>
					<plugin>
						<groupId>com.github.hazendaz.spotbugs</groupId>
						<artifactId>spotbugs-maven-plugin</artifactId>
						<version>3.0.6</version>

						<executions>
							<execution>
								<id>findbugs-run</id>
								<phase>compile</phase>
								<goals>
									<goal>check</goal>
								</goals>
							</execution>
						</executions>

						<configuration>
							<xmlOutput>true</xmlOutput>
							<threshold>Low</threshold>
							<effort>default</effort>
							<findbugsXmlOutputDirectory>${project.build.directory}/spotbugs</findbugsXmlOutputDirectory>
							<excludeFilterFile>${rootDir}/tools/maven/spotbugs-exclude.xml</excludeFilterFile>
							<failOnError>true</failOnError>
						</configuration>
					</plugin>

					<plugin>
						<groupId>org.codehaus.mojo</groupId>
						<artifactId>xml-maven-plugin</artifactId>
						<version>1.0.1</version>
						<executions>
							<execution>
								<phase>verify</phase>
								<goals>
									<goal>transform</goal>
								</goals>
							</execution>
						</executions>
						<configuration>
							<transformationSets>
								<transformationSet>
									<dir>${project.build.directory}/spotbugs</dir>
									<outputDir>${project.build.directory}/spotbugs</outputDir>
									<!-- A list of available stylesheets can be found here: https://github.com/findbugsproject/findbugs/tree/master/findbugs/src/xsl -->
									<stylesheet>plain.xsl</stylesheet>

									<fileMappers>
										<fileMapper
											implementation="org.codehaus.plexus.components.io.filemappers.FileExtensionMapper">
											<targetExtension>.html</targetExtension>
										</fileMapper>
									</fileMappers>
								</transformationSet>
							</transformationSets>
						</configuration>
						<dependencies>
							<dependency>
								<groupId>com.github.hazendaz.spotbugs</groupId>
								<artifactId>spotbugs-maven-plugin</artifactId>
								<version>3.0.6</version>
							</dependency>
						</dependencies>
					</plugin>
				</plugins>
			</build>
		</profile>

		<profile>
            <!-- Kept for backwards compatiblity, the doc buildbot expects
                 this profile to exist.-->
			<id>aggregate-scaladoc</id>
		</profile>


		<profile>
			<!-- used for SNAPSHOT and regular releases -->
			<id>docs-and-source</id>
			<activation>
				<property>
					<name>docs-and-source</name>
				</property>
			</activation>
			<build>
				<plugins>
					<plugin>
						<groupId>org.apache.maven.plugins</groupId>
						<artifactId>maven-source-plugin</artifactId>
						<version>2.2.1</version><!--$NO-MVN-MAN-VER$-->
						<executions>
							<execution>
								<id>attach-sources</id>
								<goals>
									<goal>jar</goal>
								</goals>
							</execution>
						</executions>
					</plugin>
					<plugin>
						<groupId>org.apache.maven.plugins</groupId>
						<artifactId>maven-javadoc-plugin</artifactId>
						<configuration>
							<quiet>true</quiet>
						</configuration>
						<executions>
							<execution>
								<id>attach-javadocs</id>
								<goals>
									<goal>jar</goal>
								</goals>
							</execution>
						</executions>
					</plugin>
				</plugins>
			</build>
			<dependencies>
				<dependency>
					<!--
					This is necessary for building the java docs using Java 8. Otherwise the javadoc
					plugin will fail with "javadoc: error -
						com.sun.tools.doclets.internal.toolkit.util.DocletAbortException:
							com.sun.tools.javac.code.Symbol$CompletionFailure:
								class file for akka.testkit.TestKit not found"
					-->
					<groupId>com.typesafe.akka</groupId>
					<artifactId>akka-testkit_${scala.binary.version}</artifactId>
					<version>${akka.version}</version>
					<scope>provided</scope>
				</dependency>
			</dependencies>
		</profile>

		<profile>
			<id>release</id>
			<activation>
				<property>
					<name>release</name>
				</property>
			</activation>
			<properties>
				<target.java.version>1.8</target.java.version>
			</properties>
			<build>
				<plugins>
					<plugin>
						<groupId>org.apache.maven.plugins</groupId>
						<artifactId>maven-gpg-plugin</artifactId>
						<version>1.4</version>
						<executions>
							<execution>
								<id>sign-artifacts</id>
								<phase>verify</phase>
								<goals>
									<goal>sign</goal>
								</goals>
							</execution>
						</executions>
					</plugin>
					<plugin>
						<groupId>org.apache.maven.plugins</groupId>
						<artifactId>maven-enforcer-plugin</artifactId>
						<executions>
							<execution>
								<id>enforce-maven</id>
								<goals>
									<goal>enforce</goal>
								</goals>
								<configuration>
									<rules>
										<requireMavenVersion>
											<!-- maven version must be lower than 3.3. See FLINK-3158 -->
											<version>(,3.3)</version>
										</requireMavenVersion>
										<requireJavaVersion>
											<version>1.8.0</version>
										</requireJavaVersion>
									</rules>
								</configuration>
							</execution>
						</executions>
					</plugin>
					<plugin>
						<groupId>org.apache.maven.plugins</groupId>
						<artifactId>maven-javadoc-plugin</artifactId>
						<executions>
							<execution>
								<id>attach-javadocs</id>
								<goals>
									<goal>jar</goal>
								</goals>
							</execution>
						</executions>
					</plugin>
				</plugins>
				<pluginManagement>
					<plugins>
						<plugin>
							<groupId>org.apache.maven.plugins</groupId>
							<artifactId>maven-release-plugin</artifactId>
							<version>2.1</version>
							<configuration>
								<mavenExecutorId>forked-path</mavenExecutorId>
								<useReleaseProfile>false</useReleaseProfile>
								<arguments>${arguments} -Psonatype-oss-release</arguments>
							</configuration>
						</plugin>
					</plugins>
				</pluginManagement>
			</build>
		</profile>
	</profiles>

	<build>
		<plugins>
			<!--
			We need to include this here because some of our modules have transitive dependencies
			on jdbm1, which is of type "bundle". This only works if you include the
			maven-bundle-plugin (see https://issues.apache.org/jira/browse/DIRSHARED-134). We need
			the plugin in the root pom because Javadoc aggregation runs only in the root pom and
			not the specific poms. Not having this here was the cause for FLINK-7702.
			-->
			<plugin>
				<groupId>org.apache.felix</groupId>
				<artifactId>maven-bundle-plugin</artifactId>
				<version>3.0.1</version>
				<inherited>true</inherited>
				<extensions>true</extensions>
			</plugin>

			<plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-jar-plugin</artifactId>
				<version>2.4</version><!--$NO-MVN-MAN-VER$-->
				<configuration>
					<archive>
						<manifest>
							<addDefaultImplementationEntries>true</addDefaultImplementationEntries>
							<addDefaultSpecificationEntries>true</addDefaultSpecificationEntries>
						</manifest>
					</archive>
				</configuration>
			</plugin>

			<plugin>
				<!-- Description: https://github.com/git-commit-id/git-commit-id-maven-plugin
					Used to show the git ref when starting the jobManager. -->
				<groupId>pl.project13.maven</groupId>
				<artifactId>git-commit-id-plugin</artifactId>
				<version>4.0.2</version>
				<executions>
					<execution>
						<id>get-the-git-infos</id>
						<phase>validate</phase>
						<goals>
							<goal>revision</goal>
						</goals>
					</execution>
				</executions>
				<configuration>
					<skipPoms>false</skipPoms>
					<failOnNoGitDirectory>false</failOnNoGitDirectory>
					<failOnUnableToExtractRepoInfo>false</failOnUnableToExtractRepoInfo>
					<gitDescribe>
						<!-- Don't generate the describe property -->
						<!-- It is useless due to the way Flink does branches and tags -->
						<skip>true</skip>
					</gitDescribe>
				</configuration>
			</plugin>

			<plugin>
				<groupId>org.apache.rat</groupId>
				<artifactId>apache-rat-plugin</artifactId>
				<version>0.12</version><!--$NO-MVN-MAN-VER$-->
				<inherited>false</inherited>
				<executions>
					<execution>
						<phase>verify</phase>
						<goals>
							<goal>check</goal>
						</goals>
					</execution>
				</executions>
				<configuration>
					<excludeSubProjects>false</excludeSubProjects>
					<numUnapprovedLicenses>0</numUnapprovedLicenses>
					<licenses>
						<!-- Enforce this license:
							Licensed to the Apache Software Foundation (ASF) under one
							or more contributor license agreements.  See the NOTICE file
							distributed with this work for additional information
							regarding copyright ownership.  The ASF licenses this file
							to you under the Apache License, Version 2.0 (the
							"License"); you may not use this file except in compliance
							with the License.  You may obtain a copy of the License at
							  http:https://www.apache.org/licenses/LICENSE-2.0
							Unless required by applicable law or agreed to in writing,
							software distributed under the License is distributed on an
							"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
							KIND, either express or implied.  See the License for the
							specific language governing permissions and limitations
							under the License.
						-->
						<license implementation="org.apache.rat.analysis.license.SimplePatternBasedLicense">
							<licenseFamilyCategory>AL2 </licenseFamilyCategory>
							<licenseFamilyName>Apache License 2.0</licenseFamilyName>
							<notes />
							<patterns>
								<pattern>Licensed to the Apache Software Foundation (ASF) under one</pattern>
							</patterns>
						</license>
					</licenses>
					<licenseFamilies>
						<licenseFamily implementation="org.apache.rat.license.SimpleLicenseFamily">
							<familyName>Apache License 2.0</familyName>
						</licenseFamily>
					</licenseFamilies>
					<excludes>
						<!-- Additional files like .gitignore etc.-->
						<exclude>**/.*/**</exclude>
						<exclude>**/*.prefs</exclude>
						<exclude>**/*.log</exclude>
						<!-- External web libraries. -->
						<exclude>docs/**/jquery*</exclude>
						<exclude>docs/**/bootstrap*</exclude>
						<exclude>docs/themes/book/**</exclude>
						<exclude>docs/**/anchor*</exclude>
						<exclude>**/resources/**/font-awesome/**</exclude>
						<exclude>**/resources/**/jquery*</exclude>
						<exclude>**/resources/**/bootstrap*</exclude>
						<exclude>docs/resources/**</exclude>
						<exclude>docs/public/**</exclude>
						<exclude>docs/assets/github.css</exclude>
						<exclude>docs/static/flink-header-logo.svg</exclude>
						<exclude>docs/static/figs/*.svg</exclude>
						<exclude>docs/static/font-awesome/**</exclude>
						<exclude>docs/static/flink-header-logo.svg</exclude>
						<exclude>docs/static/figs/*.svg</exclude>
						<exclude>flink-clients/src/main/resources/web-docs/js/*d3.js</exclude>

						<!-- the licenses that are re-bundled -->
						<exclude>**/packaged_licenses/LICENSE.*.txt</exclude>
						<exclude>**/licenses/LICENSE*</exclude>
						<exclude>**/licenses-binary/LICENSE*</exclude>

						<!-- web dashboard config JSON files -->
						<exclude>flink-runtime-web/web-dashboard/package.json</exclude>
						<exclude>flink-runtime-web/web-dashboard/package-lock.json</exclude>
						<exclude>flink-runtime-web/web-dashboard/angular.json</exclude>
						<exclude>flink-runtime-web/web-dashboard/proxy.conf.json</exclude>
						<exclude>flink-runtime-web/web-dashboard/tsconfig.json</exclude>
						<exclude>flink-runtime-web/web-dashboard/tslint.json</exclude>
						<exclude>flink-runtime-web/web-dashboard/src/browserslist</exclude>
						<exclude>flink-runtime-web/web-dashboard/src/tsconfig.app.json</exclude>
						<exclude>flink-runtime-web/web-dashboard/src/tsconfig.spec.json</exclude>
						<exclude>flink-runtime-web/web-dashboard/src/tslint.json</exclude>

						<!-- web dashboard non-binary assets -->
						<exclude>flink-runtime-web/web-dashboard/src/assets/**</exclude>

						<!-- generated contents -->
						<exclude>flink-runtime-web/web-dashboard/web/**</exclude>

						<!-- downloaded and generated web libraries. -->
						<exclude>flink-runtime-web/web-dashboard/node_modules/**</exclude>
						<exclude>flink-runtime-web/web-dashboard/node/**</exclude>

						<!-- Test Data. -->
						<exclude>**/src/test/resources/*-data</exclude>
						<exclude>flink-tests/src/test/resources/testdata/terainput.txt</exclude>
                        <exclude>flink-formats/flink-avro/src/test/resources/flink_11-kryo_registrations</exclude>
						<exclude>flink-runtime/src/test/resources/flink_11-kryo_registrations</exclude>
						<exclude>flink-core/src/test/resources/kryo-serializer-config-snapshot-v1</exclude>
						<exclude>flink-formats/flink-avro/src/test/resources/avro/*.avsc</exclude>
						<exclude>out/test/flink-avro/avro/user.avsc</exclude>
						<exclude>flink-table/flink-table-planner/src/test/scala/resources/*.out</exclude>
						<exclude>flink-table/flink-table-planner-blink/src/test/resources/digest/*.out</exclude>
						<exclude>flink-table/flink-table-planner-blink/src/test/resources/explain/*.out</exclude>
						<exclude>flink-table/flink-table-planner-blink/src/test/resources/jsonplan/*</exclude>
						<exclude>flink-yarn/src/test/resources/krb5.keytab</exclude>
						<exclude>flink-end-to-end-tests/test-scripts/test-data/**</exclude>
						<exclude>flink-end-to-end-tests/test-scripts/docker-hadoop-secure-cluster/config/keystore.jks</exclude>
						<exclude>flink-connectors/flink-connector-kafka/src/test/resources/**</exclude>
						<exclude>flink-connectors/flink-connector-hive/src/test/resources/**</exclude>
						<exclude>flink-end-to-end-tests/flink-tpcds-test/tpcds-tool/answer_set/*</exclude>
						<exclude>flink-end-to-end-tests/flink-tpcds-test/tpcds-tool/query/*</exclude>
						<exclude>flink-connectors/flink-connector-kinesis/src/test/resources/profile</exclude>

						<!-- snapshots -->
						<exclude>**/src/test/resources/serializer-snapshot-*</exclude>
						<exclude>**/src/test/resources/**/serializer-snapshot</exclude>
						<exclude>**/src/test/resources/**/test-data</exclude>
						<exclude>**/src/test/resources/*-snapshot</exclude>
						<exclude>**/src/test/resources/*.snapshot</exclude>
						<exclude>**/src/test/resources/*-savepoint</exclude>
						<exclude>flink-core/src/test/resources/serialized-kryo-serializer-1.3</exclude>
						<exclude>flink-core/src/test/resources/type-without-avro-serialized-using-kryo</exclude>
						<exclude>flink-formats/flink-avro/src/test/resources/flink-1.4-serializer-java-serialized</exclude>

						<exclude>flink-end-to-end-tests/flink-state-evolution-test/src/main/java/org/apache/flink/avro/generated/*</exclude>
						<exclude>flink-end-to-end-tests/flink-state-evolution-test/savepoints/*</exclude>
						<exclude>flink-formats/flink-avro/src/test/resources/testdata.avro</exclude>
						<exclude>flink-formats/flink-avro/src/test/java/org/apache/flink/formats/avro/generated/*.java</exclude>
						<exclude>flink-formats/flink-avro-confluent-registry/src/test/resources/*.json</exclude>
						<exclude>flink-formats/flink-avro-confluent-registry/src/test/resources/*.avro</exclude>
						<exclude>flink-formats/flink-json/src/test/resources/*.txt</exclude>
						<exclude>flink-formats/flink-parquet/src/test/java/org/apache/flink/formats/parquet/generated/*.java</exclude>
						<exclude>flink-formats/flink-parquet/src/test/resources/avro/**</exclude>
						<exclude>flink-formats/flink-parquet/src/test/resources/protobuf/**</exclude>
						<!-- netty test file, still Apache License 2.0 but with a different header -->
						<exclude>flink-runtime/src/test/java/org/apache/flink/runtime/io/network/buffer/AbstractByteBufTest.java</exclude>
						<!-- Configuration Files. -->
						<exclude>**/flink-bin/conf/workers</exclude>
						<exclude>**/flink-bin/conf/masters</exclude>
						<!-- Administrative files in the main trunk. -->
						<exclude>**/README.md</exclude>
						<exclude>.github/**</exclude>
						<!-- Build files -->
						<exclude>**/*.iml</exclude>
						<exclude>flink-quickstart/**/testArtifact/goal.txt</exclude>
						<!-- Generated content -->
						<exclude>out/**</exclude>
						<exclude>**/target/**</exclude>
						<exclude>**/scalastyle-output.xml</exclude>
						<exclude>build-target/**</exclude>
						<exclude>docs/layouts/shortcodes/generated/**</exclude>
						<!-- Tools: watchdog -->
						<exclude>tools/artifacts/**</exclude>
						<exclude>tools/flink*/**</exclude>
						<!-- Tools: japicmp output -->
						<exclude>tools/japicmp-output/**</exclude>
						<!-- artifacts created during release process -->
						<exclude>tools/releasing/release/**</exclude>
						<!-- manually installed version on travis -->
						<exclude>apache-maven-3.2.5/**</exclude>
						<!-- PyCharm -->
						<exclude>**/.idea/**</exclude>
						<!-- Generated code via Avro -->
						<exclude>flink-end-to-end-tests/flink-confluent-schema-registry/src/main/java/example/avro/**</exclude>
						<exclude>flink-end-to-end-tests/flink-datastream-allround-test/src/main/java/org/apache/flink/streaming/tests/avro/**</exclude>
						<!-- Files generated by jepsen tests -->
						<exclude>flink-jepsen/store/**</exclude>
						<exclude>flink-jepsen/docker/id_rsa*</exclude>
						<exclude>flink-jepsen/docker/nodes</exclude>

						<!-- flink-python -->
						<exclude>flink-python/lib/**</exclude>
						<exclude>flink-python/dev/download/**</exclude>
						<exclude>flink-python/docs/_build/**</exclude>
					</excludes>
				</configuration>
			</plugin>
			<plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-checkstyle-plugin</artifactId>
			</plugin>
			<plugin>
				<groupId>com.diffplug.spotless</groupId>
				<artifactId>spotless-maven-plugin</artifactId>
			</plugin>
			<plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-compiler-plugin</artifactId>
			</plugin>

			<!--surefire for unit tests and integration tests-->
			<plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-surefire-plugin</artifactId>
				<version>2.22.1</version>
				<configuration>
					<forkCount>${flink.forkCount}</forkCount>
					<reuseForks>${flink.reuseForks}</reuseForks>
					<trimStackTrace>false</trimStackTrace>
					<systemPropertyVariables>
						<forkNumber>0${surefire.forkNumber}</forkNumber>
						<hadoop.version>${hadoop.version}</hadoop.version>
						<checkpointing.randomization>true</checkpointing.randomization>
						<project.basedir>${project.basedir}</project.basedir>
						<!--suppress MavenModelInspection -->
						<test.randomization.seed>${test.randomization.seed}</test.randomization.seed>
					</systemPropertyVariables>
					<argLine>-Xms256m -Xmx2048m -Dmvn.forkNumber=${surefire.forkNumber} -XX:+UseG1GC</argLine>
				</configuration>
				<executions>
					<!--execute all the unit tests-->
					<execution>
						<id>default-test</id>
						<phase>test</phase>
						<goals>
							<goal>test</goal>
						</goals>
						<configuration>
							<includes>
								<include>**/*Test.*</include>
							</includes>
						</configuration>
					</execution>
					<!--execute all the integration tests-->
					<execution>
						<id>integration-tests</id>
						<phase>integration-test</phase>
						<goals>
							<goal>test</goal>
						</goals>
						<configuration>
							<includes>
								<include>**/*ITCase.*</include>
							</includes>
							<reuseForks>false</reuseForks>
						</configuration>
					</execution>
				</executions>
			</plugin>
			<plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-eclipse-plugin</artifactId>
				<version>2.8</version>
				<configuration>
					<classpathContainers>
						<classpathContainer>
							org.eclipse.jdt.launching.JRE_CONTAINER
						</classpathContainer>
					</classpathContainers>
					<downloadSources>true</downloadSources>
					<downloadJavadocs>true</downloadJavadocs>
				</configuration>
			</plugin>

			<plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-enforcer-plugin</artifactId>
				<executions>
					<execution>
						<id>enforce-maven</id>
						<goals>
							<goal>enforce</goal>
						</goals>
						<configuration>
							<rules>
								<requireMavenVersion>
									<!-- enforce at least mvn version 3.1.1 (see FLINK-12447) -->
									<version>[3.1.1,)</version>
								</requireMavenVersion>
								<requireJavaVersion>
									<version>${target.java.version}</version>
								</requireJavaVersion>
							</rules>
						</configuration>
					</execution>
					<execution>
						<id>ban-unsafe-snakeyaml</id>
						<goals>
							<goal>enforce</goal>
						</goals>
						<configuration>
							<rules>
								<bannedDependencies>
									<excludes>
										<exclude>org.yaml:snakeyaml:(,1.26]</exclude>
									</excludes>
									<includes>
										<!-- Snakeyaml is pulled in by many modules without using it in production,
											so there's no benefit in us investing time into bumping these. -->
										<include>org.yaml:snakeyaml:(,1.26]:*:test</include>
									</includes>
								</bannedDependencies>
							</rules>
						</configuration>
					</execution>
					<execution>
						<id>ban-unsafe-jackson</id>
						<goals>
							<goal>enforce</goal>
						</goals>
						<configuration>
							<rules>
								<bannedDependencies>
									<excludes>
										<exclude>com.fasterxml.jackson*:*:(,2.12.0]</exclude>
									</excludes>
								</bannedDependencies>
							</rules>
						</configuration>
					</execution>
					<execution>
						<id>forbid-log4j-1</id>
						<goals>
							<goal>enforce</goal>
						</goals>
						<configuration>
							<rules>
								<bannedDependencies>
									<excludes>
										<exclude>log4j:log4j</exclude>
										<exclude>org.slf4j:slf4j-log4j12</exclude>
									</excludes>
								</bannedDependencies>
							</rules>
						</configuration>
					</execution>
					<execution>
						<id>dependency-convergence</id>
						<!-- disabled by default as it interacts badly with shade-plugin -->
						<phase>none</phase>
						<goals>
							<goal>enforce</goal>
						</goals>
						<configuration>
							<rules>
								<dependencyConvergence/>
							</rules>
						</configuration>
					</execution>
				</executions>
			</plugin>

			<plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-shade-plugin</artifactId>
				<executions>
					<execution>
						<id>shade-flink</id>
						<phase>package</phase>
						<goals>
							<goal>shade</goal>
						</goals>
						<configuration>
							<shadeTestJar>true</shadeTestJar>
							<shadedArtifactAttached>false</shadedArtifactAttached>
							<createDependencyReducedPom>true</createDependencyReducedPom>
							<dependencyReducedPomLocation>${project.basedir}/target/dependency-reduced-pom.xml</dependencyReducedPomLocation>
							<!-- Filters MUST be appended; merging filters does not work properly, see MSHADE-305 -->
							<filters combine.children="append">
								<!-- Globally exclude log4j.properties from our JAR files. -->
								<filter>
									<artifact>*</artifact>
									<excludes>
										<exclude>log4j.properties</exclude>
										<exclude>log4j2.properties</exclude>
										<exclude>log4j-test.properties</exclude>
										<exclude>log4j2-test.properties</exclude>
									</excludes>
								</filter>
								<!-- drop entries into META-INF and NOTICE files for the dummy artifact -->
								<filter>
									<artifact>org.apache.flink:force-shading</artifact>
									<excludes>
										<exclude>**</exclude>
									</excludes>
								</filter>
								<!-- io.netty:netty brings its own LICENSE.txt which we don't need -->
								<filter>
									<artifact>io.netty:netty</artifact>
									<excludes>
										<exclude>META-INF/LICENSE.txt</exclude>
									</excludes>
								</filter>
							</filters>
							<artifactSet>
								<includes>
									<!-- Unfortunately, the next line is necessary for now to force the execution
									of the Shade plugin upon all sub modules. This will generate effective poms,
									i.e. poms which do not contain properties which are derived from this root pom.
									In particular, the Scala version properties are defined in the root pom and without
									shading, the root pom would have to be Scala suffixed and thereby all other modules.
									-->
									<include>org.apache.flink:force-shading</include>
								</includes>
							</artifactSet>
							<transformers combine.children="append">
								<!-- The service transformer is needed to merge META-INF/services files -->
								<transformer implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer"/>
								<!-- The ApacheNoticeResourceTransformer collects and aggregates NOTICE files -->
								<transformer implementation="org.apache.maven.plugins.shade.resource.ApacheNoticeResourceTransformer">
									<projectName>Apache Flink</projectName>
									<encoding>UTF-8</encoding>
								</transformer>
							</transformers>
						</configuration>
					</execution>
				</executions>
			</plugin>

			<!-- generate configuration docs -->
			<plugin>
				<groupId>org.commonjava.maven.plugins</groupId>
				<artifactId>directory-maven-plugin</artifactId>
				<version>0.1</version>
				<executions>
					<execution>
						<id>directories</id>
						<goals>
							<goal>highest-basedir</goal>
						</goals>
						<phase>initialize</phase>
						<configuration>
							<property>rootDir</property>
						</configuration>
					</execution>
				</executions>
			</plugin>
		</plugins>

		<pluginManagement>
			<plugins>
				<plugin>
					<groupId>org.apache.maven.plugins</groupId>
					<artifactId>maven-compiler-plugin</artifactId>
					<version>3.8.0</version>
					<configuration>
						<source>${target.java.version}</source>
						<target>${target.java.version}</target>
						<!-- The semantics of this option are reversed, see MCOMPILER-209. -->
						<useIncrementalCompilation>false</useIncrementalCompilation>
						<compilerArgs>
							<!-- Prevents recompilation due to missing package-info.class, see MCOMPILER-205 -->
							<arg>-Xpkginfo:always</arg>
						</compilerArgs>
					</configuration>
				</plugin>

				<plugin>
					<groupId>org.apache.maven.plugins</groupId>
					<artifactId>maven-checkstyle-plugin</artifactId>
					<version>2.17</version>
					<dependencies>
						<dependency>
							<groupId>com.puppycrawl.tools</groupId>
							<artifactId>checkstyle</artifactId>
							<!-- Note: match version with docs/flinkDev/ide_setup.md -->
							<version>8.14</version>
						</dependency>
					</dependencies>
					<executions>
						<execution>
							<id>validate</id>
							<phase>validate</phase>
							<goals>
								<goal>check</goal>
							</goals>
						</execution>
					</executions>
					<configuration>
						<suppressionsLocation>/tools/maven/suppressions.xml</suppressionsLocation>
						<includeTestSourceDirectory>true</includeTestSourceDirectory>
						<configLocation>/tools/maven/checkstyle.xml</configLocation>
						<logViolationsToConsole>true</logViolationsToConsole>
						<failOnViolation>true</failOnViolation>
					</configuration>
				</plugin>

				<plugin>
					<groupId>com.diffplug.spotless</groupId>
					<artifactId>spotless-maven-plugin</artifactId>
					<version>${spotless.version}</version>
					<configuration>
						<java>
							<googleJavaFormat>
								<version>1.7</version>
								<style>AOSP</style>
							</googleJavaFormat>

							<!-- \# refers to the static imports -->
							<importOrder>
								<order>org.apache.flink,org.apache.flink.shaded,,javax,java,scala,\#</order>
							</importOrder>

							<removeUnusedImports />
						</java>
					</configuration>
					<executions>
						<execution>
							<id>spotless-check</id>
							<phase>validate</phase>
							<goals>
								<goal>check</goal>
							</goals>
						</execution>
					</executions>
				</plugin>


				<plugin>
					<groupId>org.apache.maven.plugins</groupId>
					<artifactId>maven-javadoc-plugin</artifactId>
					<version>2.9.1</version><!--$NO-MVN-MAN-VER$-->
					<configuration>
						<quiet>true</quiet>
						<detectOfflineLinks>false</detectOfflineLinks>
						<additionalJOptions combine.children="append">
							<additionalJOption>-Xdoclint:none</additionalJOption>
						</additionalJOptions>
					</configuration>
				</plugin>

				<plugin>
					<groupId>org.apache.maven.plugins</groupId>
					<artifactId>maven-enforcer-plugin</artifactId>
					<version>3.0.0-M1</version>
				</plugin>

				<plugin>
					<groupId>org.apache.maven.plugins</groupId>
					<artifactId>maven-dependency-plugin</artifactId>
					<version>3.1.1</version>
					<dependencies>
						<dependency>
							<!-- Required for Java 11 support until 3.1.2 is released -->
							<groupId>org.apache.maven.shared</groupId>
							<artifactId>maven-dependency-analyzer</artifactId>
							<version>1.11.1</version>
						</dependency>
					</dependencies>
					<configuration>
						<ignoredUsedUndeclaredDependencies combine.children="append">
							<!-- allow using transitive Flink dependencies for brevity -->
							<dependency>org.apache.flink:*</dependency>
							<!-- False positive since we use hamcrest-all -->
							<dependency>org.hamcrest:hamcrest-core</dependency>
							<!-- transitive powermock test dependencies; excluded for brevity -->
							<dependency>org.powermock:powermock-core</dependency>
							<dependency>org.powermock:powermock-reflect</dependency>
							<dependency>org.powermock:powermock-api-support</dependency>
						</ignoredUsedUndeclaredDependencies>
						<ignoredUnusedDeclaredDependencies combine.children="append">
							<!-- build dependency, required for shading; does not contain any classes -->
							<dependency>org.apache.flink:force-shading</dependency>
							<!-- compile dependencies; defined in root pom for brevity -->
							<dependency>com.google.code.findbugs:jsr305</dependency>
							<dependency>org.scala-lang:scala-compiler</dependency>
							<!-- logging dependencies; defined in root pom for brevity
									some modules may not use any logging, but that's not a problem
									implementations are loaded via reflection and are always detected as unused -->
							<dependency>org.slf4j:slf4j-api</dependency>
							<!-- log4j1 -->
							<dependency>log4j:log4j</dependency>
							<dependency>org.slf4j:slf4j-log4j12</dependency>
							<!-- log4j2 -->
							<dependency>org.apache.logging.log4j:log4j-slf4j-impl</dependency>
							<dependency>org.apache.logging.log4j:log4j-api</dependency>
							<dependency>org.apache.logging.log4j:log4j-core</dependency>
							<dependency>org.apache.logging.log4j:log4j-1.2-api</dependency>
							<!-- test dependencies; defined in root pom for brevity -->
							<dependency>org.apache.flink:flink-test-utils-junit</dependency>
							<dependency>junit:junit</dependency>
							<dependency>org.mockito:mockito-core</dependency>
							<dependency>org.powermock:powermock-api-mockito2</dependency>
							<dependency>org.powermock:powermock-module-junit4</dependency>
							<dependency>org.hamcrest:hamcrest-all</dependency>
						</ignoredUnusedDeclaredDependencies>
					</configuration>
				</plugin>

				<!-- Pin the version of the maven shade plugin -->
				<plugin>
					<groupId>org.apache.maven.plugins</groupId>
					<artifactId>maven-shade-plugin</artifactId>
					<version>3.1.1</version>
				</plugin>

				<plugin>
					<!-- Inherited from Apache parent, but not actually used. Disable to reduce noise. -->
					<groupId>org.apache.maven.plugins</groupId>
					<artifactId>maven-site-plugin</artifactId>
					<executions>
						<execution>
							<id>attach-descriptor</id>
							<phase>none</phase>
						</execution>
					</executions>
				</plugin>

				<!-- configure scala style -->
				<plugin>
					<groupId>org.scalastyle</groupId>
					<artifactId>scalastyle-maven-plugin</artifactId>
					<version>1.0.0</version>
					<executions>
						<execution>
							<goals>
								<goal>check</goal>
							</goals>
						</execution>
					</executions>
					<configuration>
						<verbose>false</verbose>
						<failOnViolation>true</failOnViolation>
						<includeTestSourceDirectory>true</includeTestSourceDirectory>
						<failOnWarning>false</failOnWarning>
						<sourceDirectory>${basedir}/src/main/scala</sourceDirectory>
						<testSourceDirectory>${basedir}/src/test/scala</testSourceDirectory>
						<outputFile>${project.basedir}/target/scalastyle-output.xml</outputFile>
						<inputEncoding>UTF-8</inputEncoding>
						<outputEncoding>UTF-8</outputEncoding>
					</configuration>
				</plugin>

				<!-- set scala maven plugin version -->
				<plugin>
					<groupId>net.alchim31.maven</groupId>
					<artifactId>scala-maven-plugin</artifactId>
					<version>3.2.2</version>
					<configuration>
						<args>
							<arg>-nobootcp</arg>
							<arg>-target:jvm-${target.java.version}</arg>
						</args>
						<jvmArgs>
							<arg>-Xss2m</arg>
						</jvmArgs>
					</configuration>
				</plugin>

				<!-- Configuration for the binary compatibility checker -->
				<plugin>
					<groupId>com.github.siom79.japicmp</groupId>
					<artifactId>japicmp-maven-plugin</artifactId>
					<version>0.11.0</version>
					<configuration>
						<oldVersion>
							<dependency>
								<groupId>org.apache.flink</groupId>
								<artifactId>${project.artifactId}</artifactId>
								<version>${japicmp.referenceVersion}</version>
								<type>${project.packaging}</type>
							</dependency>
						</oldVersion>
						<newVersion>
							<file>
								<path>${project.build.directory}/${project.artifactId}-${project.version}.${project.packaging}</path>
							</file>
						</newVersion>
						<parameter>
							<onlyModified>true</onlyModified>
							<includes>
								<include>@org.apache.flink.annotation.Public</include>
								<!-- The following line is un-commented by tools/releasing/update_japicmp_configuration.sh
								 	as part of the release process -->
								<!--<include>@org.apache.flink.annotation.PublicEvolving</include>-->
							</includes>
							<excludes>
								<exclude>@org.apache.flink.annotation.PublicEvolving</exclude>
								<exclude>@org.apache.flink.annotation.Internal</exclude>
								<exclude>org.apache.flink.streaming.api.datastream.DataStream#DataStream(org.apache.flink.streaming.api.environment.StreamExecutionEnvironment,org.apache.flink.streaming.api.transformations.StreamTransformation)</exclude>
								<exclude>org.apache.flink.streaming.api.environment.LegacyLocalStreamEnvironment</exclude>
								<exclude>org.apache.flink.streaming.api.functions.sink.RichSinkFunction#invoke(java.lang.Object)</exclude>
								<exclude>org.apache.flink.streaming.api.functions.sink.SinkFunction</exclude>
								<exclude>org.apache.flink.api.java.hadoop.mapred.HadoopInputFormat</exclude>
								<exclude>org.apache.flink.api.java.hadoop.mapred.HadoopOutputFormat</exclude>
								<exclude>org.apache.flink.api.java.hadoop.mapreduce.HadoopInputFormat</exclude>
								<exclude>org.apache.flink.api.java.hadoop.mapreduce.HadoopOutputFormat</exclude>
								<exclude>org.apache.flink.api.scala.hadoop.mapred.HadoopInputFormat</exclude>
								<exclude>org.apache.flink.api.scala.hadoop.mapred.HadoopOutputFormat</exclude>
								<exclude>org.apache.flink.api.scala.hadoop.mapreduce.HadoopInputFormat</exclude>
								<exclude>org.apache.flink.api.scala.hadoop.mapreduce.HadoopOutputFormat</exclude>
							</excludes>
							<accessModifier>public</accessModifier>
							<breakBuildOnModifications>false</breakBuildOnModifications>
							<breakBuildOnBinaryIncompatibleModifications>true</breakBuildOnBinaryIncompatibleModifications>
							<breakBuildOnSourceIncompatibleModifications>true</breakBuildOnSourceIncompatibleModifications>
							<onlyBinaryIncompatible>false</onlyBinaryIncompatible>
							<includeSynthetic>true</includeSynthetic>
							<ignoreMissingClasses>false</ignoreMissingClasses>
							<skipPomModules>true</skipPomModules>
							<!-- Don't break build on newly added maven modules -->
							<ignoreNonResolvableArtifacts>true</ignoreNonResolvableArtifacts>
						</parameter>
						<projectBuildDir>${rootDir}/${japicmp.outputDir}/${project.artifactId}</projectBuildDir>
						<dependencies>
							<dependency>
								<groupId>org.apache.flink</groupId>
								<artifactId>flink-annotations</artifactId>
								<version>${project.version}</version>
							</dependency>
						</dependencies>
					</configuration>
					<executions>
						<execution>
							<phase>verify</phase>
							<goals>
								<goal>cmp</goal>
							</goals>
						</execution>
					</executions>
				</plugin>

				<plugin>
					<!-- run via "mvn org.owasp:dependency-check-maven:aggregate" -->
					<groupId>org.owasp</groupId>
					<artifactId>dependency-check-maven</artifactId>
					<version>5.0.0-M2</version>
					<configuration>
						<format>ALL</format>
						<skipSystemScope>true</skipSystemScope>
						<skipProvidedScope>true</skipProvidedScope>
						<excludes>
							<exclude>*flink-docs</exclude>
							<exclude>*flink-end-to-end-tests</exclude>
							<exclude>*flink-fs-tests*</exclude>
							<exclude>*flink-yarn-tests*</exclude>
						</excludes>
					</configuration>
				</plugin>
			</plugins>
		</pluginManagement>
	</build>

</project>