Got InterruptedException while executing word count mapreduce job

Question: I have installed Cloudera VM version 5.8 on my machine. When I execute word count mapreduce job, it throws below exception.

`16/09/06 06:55:49 WARN hdfs.DFSClient: Caught exception 
java.lang.InterruptedException
    at java.lang.Object.wait(Native Method)
    at java.lang.Thread.join(Thread.java:1281)
    at java.lang.Thread.join(Thread.java:1355)
    at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.closeResponder(DFSOutputStream.java:862)
    at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.endBlock(DFSOutputStream.java:600)
    at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.run(DFSOutputStream.java:789)
`

Answer:

You can ignore this warning. It's a bug in Hadoop.

There is an issue for this: https://issues.apache.org/jira/browse/HDFS-10429