[HADOOP-5311] Write pipeline recovery fails

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 0.18.0
• Fix Version/s: 0.18.4
• Assignee: Dhruba Borthakur
• Reporter: Hairong Kuang
• Created: 23/Feb/09 19:42
• Updated: 08/Jul/09 16:43
• Resolved: 13/Mar/09 06:24

Description

A write pipeline recovery fails on the error below:
INFO org.apache.hadoop.ipc.Server: IPC Server handler 2 on 53006, call recoverBlock(blk_1415000632081498137_954380, false, [Lorg.apache.hadoop.hdfs.protocol.DatanodeInfo;
@4ec82dc6) from XX: error: org.apache.hadoop.ipc.RemoteException: java.io.IOException: blk_1415000632081498137_954380 is already commited, storedBlock == null.
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.nextGenerationStampForBlock(FSNamesystem.java:4487)
at org.apache.hadoop.hdfs.server.namenode.NameNode.nextGenerationStamp(NameNode.java:473)
at sun.reflect.GeneratedMethodAccessor27.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:508)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:959)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:955)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:396)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:953)

Issue Links

• is related to: HADOOP-3998 Got an exception from ClientFinalizer when the JT is terminated