[HADOOP-2814] NPE in datanode during TestDataTransferProtocol.

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.16.0
• Fix Version/s: 0.16.1
• Assignee: Raghu Angadi
• Reporter: Raghu Angadi
• Created: 13/Feb/08 21:30
• Updated: 08/Jul/09 16:42
• Resolved: 15/Feb/08 04:48

Description

The test passes. But there is an NPE in datanode (using branch-0.16) :

...
2008-02-13 21:25:37,534 INFO  dfs.TestDataTransferProtocol (TestDataTransferProtocol.java:sendRecvData(71)) - Testing : wrong bytesPerChecksum while writing
2008-02-13 21:25:37,535 INFO  dfs.DataNode (DataNode.java:writeBlock(1048)) - Receiving block blk_7408940144175038455 src: /127.0.0.1:4964
6 dest: /127.0.0.1:49637
2008-02-13 21:25:37,536 ERROR dfs.DataNode (DataNode.java:run(961)) - 127.0.0.1:49637:DataXceiver: java.lang.NullPointerException
        at org.apache.hadoop.dfs.DataNode$BlockReceiver.close(DataNode.java:2001)
        at org.apache.hadoop.io.IOUtils.closeStream(IOUtils.java:131)
        at org.apache.hadoop.dfs.DataNode$BlockReceiver.<init>(DataNode.java:1993)
        at org.apache.hadoop.dfs.DataNode$DataXceiver.writeBlock(DataNode.java:1074)
        at org.apache.hadoop.dfs.DataNode$DataXceiver.run(DataNode.java:938)
        at java.lang.Thread.run(Thread.java:595)

2008-02-13 21:25:37,537 INFO  dfs.TestDataTransferProtocol (TestDataTransferProtocol.java:sendRecvData(87)) - Got EOF as expected.
...