[FLINK-12493] Add step to export Hadoop classpath to docs

Github PR apache#8422
is · May 13, 2019 · 518616e · 518616e
1 parent d1542e9
commit 518616e
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/docs/ops/deployment/aws.md b/docs/ops/deployment/aws.md
@@ -56,7 +56,13 @@ when creating an EMR cluster.
 After creating your cluster, you can [connect to the master node](http:https://docs.aws.amazon.com/ElasticMapReduce/latest/ManagementGuide/emr-connect-master-node.html) and install Flink:
 
 1. Go the [Downloads Page]({{ site.download_url }}) and **download a binary version of Flink matching the Hadoop version** of your EMR cluster, e.g. Hadoop 2.7 for EMR releases 4.3.0, 4.4.0, or 4.5.0.
-2. Extract the Flink distribution and you are ready to deploy [Flink jobs via YARN](yarn_setup.html) after **setting the Hadoop config directory**:
+2. Make sure all the Hadoop dependencies are in the classpath before you submit any jobs to EMR:
+
+{% highlight bash %}
+export HADOOP_CLASSPATH=`hadoop classpath`
+{% endhighlight %}
+
+3. Extract the Flink distribution and you are ready to deploy [Flink jobs via YARN](yarn_setup.html) after **setting the Hadoop config directory**:
 
 {% highlight bash %}
 HADOOP_CONF_DIR=/etc/hadoop/conf ./bin/flink run -m yarn-cluster -yn 1 examples/streaming/WordCount.jar