[HDFS-668] TestFileAppend3#TC7 sometimes hangs

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.21.0
• Fix Version/s: 0.21.0
• Hadoop Flags: Reviewed
• Assignee: Hairong Kuang
• Reporter: Hairong Kuang
• Created: 01/Oct/09 18:37
• Updated: 24/Aug/10 20:49
• Resolved: 17/Oct/09 00:42

Description

TestFileAppend3 hangs because it fails on close the file. The following is the snippet of logs that shows the cause of the problem:
[junit] 2009-10-01 07:00:00,719 WARN hdfs.DFSClient (DFSClient.java:setupPipelineForAppendOrRecovery(3004)) - Error Recovery for block blk_-4098350497078465335_1007 in pipeline 127.0.0.1:58375, 127.0.0.1:36982: bad datanode 127.0.0.1:36982
[junit] 2009-10-01 07:00:00,721 INFO datanode.DataNode (DataXceiver.java:opWriteBlock(224)) - Receiving block blk_-4098350497078465335_1007 src: /127.0.0.1:40252 dest: /127.0.0.1:58375
[junit] 2009-10-01 07:00:00,721 INFO datanode.DataNode (FSDataset.java:recoverClose(1248)) - Recover failed close blk_-4098350497078465335_1007
[junit] 2009-10-01 07:00:00,723 INFO datanode.DataNode (DataXceiver.java:opWriteBlock(369)) - Received block blk_-4098350497078465335_1008 src: /127.0.0.1:40252 dest: /127.0.0.1:58375 of size 65536
[junit] 2009-10-01 07:00:00,724 INFO hdfs.StateChange (BlockManager.java:addStoredBlock(1006)) - BLOCK* NameSystem.addStoredBlock: addStoredBlock request received for blk_-4098350497078465335_1008 on 127.0.0.1:58375 size 65536 But it does not belong to any file.
[junit] 2009-10-01 07:00:00,724 INFO namenode.FSNamesystem (FSNamesystem.java:updatePipeline(3946)) - updatePipeline(block=blk_-4098350497078465335_1007, newGenerationStamp=1008, newLength=65536, newNodes=[127.0.0.1:58375], clientName=DFSClient_995688145)