[HDFS-615] TestLargeDirectoryDelete fails with NullPointerException

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 0.21.0
• Fix Version/s: 0.21.0
• Component/s: namenode

Environment

64-bit debian 5, 64-bit sun java6, running in a single processor VM.

• Assignee: Unassigned
• Reporter: Eli Collins
• Created: 12/Sep/09 01:46
• Updated: 24/Aug/10 20:49
• Resolved: 15/Jun/10 17:43

Description

I've hit the following failure two out of two times running "ant test" at rev 813587. This test doesn't appear to be failing on hudson. All other tests passed except TestHDFSFileSystemContract which timed out, so perhaps there's a race due to the test executing slowly.

[junit] Running org.apache.hadoop.hdfs.server.namenode.TestLargeDirectoryDelete
[junit] Exception in thread "Thread-30148" java.lang.NullPointerException
[junit] at org.apache.hadoop.hdfs.server.namenode.NameNodeAdapter.getNamesystem(NameNodeAdapter.java:32)
[junit] at org.apache.hadoop.hdfs.MiniDFSCluster.getNamesystem(MiniDFSCluster.java:522)
[junit] at org.apache.hadoop.hdfs.server.namenode.TestLargeDirectoryDelete.getBlockCount(TestLargeDirectoryDelete.java:75)
[junit] at org.apache.hadoop.hdfs.server.namenode.TestLargeDirectoryDelete.access$000(TestLargeDirectoryDelete.java:38)
[junit] at org.apache.hadoop.hdfs.server.namenode.TestLargeDirectoryDelete$1.run(TestLargeDirectoryDelete.java:90)
[junit] Tests run: 1, Failures: 0, Errors: 0, Time elapsed: 94.264 sec

^^^^^^^^^^^^^^^^^^^^^^^^^^^^ No failures or errors?

public static FSNamesystem getNamesystem(NameNode namenode)

{ return namenode.getNamesystem(); <=========== }

Issue Links

• is related to: HDFS-816 TestLargeDirectoryDelete fails
• relates to: HDFS-1170 Add more assertions to TestLargeDirectoryDelete