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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