[HDFS-9346] TestDFSStripedOutputStreamWithFailure.testMultipleDatanodeFailure56 may throw NPE

• Type: Bug
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Component/s: test
• Assignee: Unassigned
• Reporter: Tsz-wo Sze
• Created: 30/Oct/15 07:45
• Updated: 30/Oct/15 07:45

Description

See the NPE in build 13294#. It seems a bug in the test.

java.lang.NullPointerException: null
	at org.apache.hadoop.hdfs.MiniDFSCluster.stopDataNode(MiniDFSCluster.java:2157)
	at org.apache.hadoop.hdfs.TestDFSStripedOutputStreamWithFailure.killDatanode(TestDFSStripedOutputStreamWithFailure.java:445)
	at org.apache.hadoop.hdfs.TestDFSStripedOutputStreamWithFailure.runTest(TestDFSStripedOutputStreamWithFailure.java:374)
	at org.apache.hadoop.hdfs.TestDFSStripedOutputStreamWithFailure.runTestWithMultipleFailure(TestDFSStripedOutputStreamWithFailure.java:301)
	at org.apache.hadoop.hdfs.TestDFSStripedOutputStreamWithFailure.testMultipleDatanodeFailure56(TestDFSStripedOutputStreamWithFailure.java:172)