Description
The YARN trunk build has been failing for the last few days in the distributed shell module.
testDSShell(org.apache.hadoop.yarn.applications.distributedshell.TestDistributedShell) Time elapsed: 27.269 sec <<< FAILURE! java.lang.AssertionError: null at org.junit.Assert.fail(Assert.java:86) at org.junit.Assert.assertTrue(Assert.java:41) at org.junit.Assert.assertTrue(Assert.java:52) at org.apache.hadoop.yarn.applications.distributedshell.TestDistributedShell.testDSShell(TestDistributedShell.java:188)