[hotfix][yarn][tests] Whitelist non-critical debug messages

flink-yarn-tests/src/test/java/org/apache/flink/yarn/YarnTestBase.java

@@ -125,6 +125,17 @@ public abstract class YarnTestBase extends TestLogger {
 
  /** These strings are white-listed, overriding the prohibited strings. */
  protected static final Pattern[] WHITELISTED_STRINGS = {
+ // happens if yarn does not support external resources
+ Pattern.compile(
+ "ClassNotFoundException: org.apache.hadoop.yarn.api.records.ResourceInformation"),
+ // occurs if a TM disconnects from a JM because it is no longer hosting any slots
+ Pattern.compile("has no more allocated slots for job"),
+ // can happen if another process hasn't fully started yet
+ Pattern.compile("akka.actor.ActorNotFound: Actor not found for"),
+ // can happen if another process hasn't fully started yet
+ Pattern.compile("RpcConnectionException: Could not connect to rpc endpoint under address"),
+ // rest handler whose registration is logged on DEBUG level
+ Pattern.compile("JobExceptionsHandler"),
  Pattern.compile("akka\\.remote\\.RemoteTransportExceptionNoStackTrace"),
  // workaround for annoying InterruptedException logging:
  // https://issues.apache.org/jira/browse/YARN-1022