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From "Thomas Graves (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-205) yarn logs throws nullpointerexception for running application
Date Wed, 07 Nov 2012 22:02:13 GMT
Thomas Graves created YARN-205:

             Summary: yarn logs throws nullpointerexception for running application
                 Key: YARN-205
                 URL: https://issues.apache.org/jira/browse/YARN-205
             Project: Hadoop YARN
          Issue Type: Bug
          Components: client
    Affects Versions: 0.23.4
            Reporter: Thomas Graves

I started an application and tried to look at the task logs for the takss that had finished
via yarn logs.  Unfortunately it throws a null pointer exception until the job finished:

yarn logs -appOwner tgraves --applicationId application_1352316570518_0002 
Exception in thread "main" java.lang.NullPointerException
        at org.apache.hadoop.hdfs.DFSInputStream.read(DFSInputStream.java:573)
        at java.io.DataInputStream.readFully(DataInputStream.java:178)
        at java.io.DataInputStream.readLong(DataInputStream.java:399)
        at org.apache.hadoop.io.file.tfile.BCFile$Reader.<init>(BCFile.java:623)
        at org.apache.hadoop.io.file.tfile.TFile$Reader.<init>(TFile.java:803)
        at org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogReader.<init>(AggregatedLogFormat.java:293)
        at org.apache.hadoop.yarn.logaggregation.LogDumper.dumpAllContainersLogs(LogDumper.java:209)
        at org.apache.hadoop.yarn.logaggregation.LogDumper.run(LogDumper.java:109)
        at org.apache.hadoop.yarn.logaggregation.LogDumper.main(LogDumper.java:242)

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