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From "Koji Noguchi (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-3070) Trash not being expunged, Trash Emptier thread gone by NPE
Date Fri, 21 Mar 2008 22:29:24 GMT
Trash not being expunged, Trash Emptier thread gone by NPE
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                 Key: HADOOP-3070
                 URL: https://issues.apache.org/jira/browse/HADOOP-3070
             Project: Hadoop Core
          Issue Type: Bug
          Components: fs
    Affects Versions: 0.16.1, 0.16.0
            Reporter: Koji Noguchi


We noticed that the users' trash were not being expunged by the namenode. 

jstack didn't show the Trash.Emptier thread and .out file showed 

Exception in thread "Trash Emptier" java.lang.NullPointerException
  at org.apache.hadoop.fs.Trash.expunge(Trash.java:146)
  at org.apache.hadoop.fs.Trash$Emptier.run(Trash.java:233)
  at java.lang.Thread.run(Thread.java:619)


It seems like this happens when it hits the user's directory which doesn't contain the .Trash.

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