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From "Yongjun Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-7599) Add more information to exception msg when pipeline recovery fails
Date Sun, 11 Jan 2015 16:57:34 GMT
Yongjun Zhang created HDFS-7599:
-----------------------------------

             Summary: Add more information to exception msg when pipeline recovery fails
                 Key: HDFS-7599
                 URL: https://issues.apache.org/jira/browse/HDFS-7599
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: dfsclient
    Affects Versions: 2.6.0
            Reporter: Yongjun Zhang
            Assignee: Yongjun Zhang


When pipeline recovery fails with the following exception, can not easily identify the associated
file and block, propose to add the info for better debuggability:

{code}
java.io.IOException: All datanodes <...> are bad. Aborting...
        at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.setupPipelineForAppendOrRecovery(DFSOutputStream.java:1127)
        at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.processDatanodeError(DFSOutputStream.java:924)
        at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.run(DFSOutputStream.java:486)
{code}





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