[ http://issues.apache.org/jira/browse/HADOOP-162?page=all ]
Owen O'Malley updated HADOOP-162:
---------------------------------
Attachment: concurrent-mod-lease.patch
This patch moves the lease finding/updating code out of internalReleaseCreate
and into abandonFileInProgress. releaseLocks clears the set itself.
> concurrent modification exception in FSNamesystem.Lease.releaseLocks
> --------------------------------------------------------------------
>
> Key: HADOOP-162
> URL: http://issues.apache.org/jira/browse/HADOOP-162
> Project: Hadoop
> Type: Bug
> Components: dfs
> Versions: 0.2
> Reporter: Owen O'Malley
> Assignee: Owen O'Malley
> Attachments: concurrent-mod-lease.patch
>
> FSNameSystem.Lease.releaseLocks iterates through the creates set, calling
> InternalReleaseCreate on each element, which changes the creates set in the
> Lease. This causes a ConcurrentModificationException if you have more than
> two files that are owned by the lease that times out.
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