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https://issues.apache.org/jira/browse/BOOKKEEPER-700?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13810328#comment-13810328
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Ivan Kelly commented on BOOKKEEPER-700:
---------------------------------------
maybe a setCritical() call could be added to BookieThread to give the same
effect, which could be set only by the threads which need to Journal, flush
threads, etc.
GC isn't really critical though. We should log a loud error when it dies though.
> GarbageCollectorThread exsiting with ArrayIndexOutOfBoundsException
> -------------------------------------------------------------------
>
> Key: BOOKKEEPER-700
> URL: https://issues.apache.org/jira/browse/BOOKKEEPER-700
> Project: Bookkeeper
> Issue Type: Bug
> Components: bookkeeper-server
> Reporter: Rakesh R
> Assignee: Rakesh R
> Fix For: 4.3.0
>
> Attachments: 0001-BOOKKEEPER-700.patch, 0002-BOOKKEEPER-700.patch
>
>
> After completing compaction, GarbageCollectorThread will do flush any
> outstanding offsets. When there is no offset present, its throwing following
> exception and exiting.
> {code}
> 2013-10-30 11:37:20,944 - ERROR -
> [GarbageCollectorThread:NIOServerCnxnFactory$1@49] - Thread
> Thread[GarbageCollectorThread,5,main] died
> java.lang.ArrayIndexOutOfBoundsException: -1
> at java.util.ArrayList.get(ArrayList.java:324)
> at
> org.apache.bookkeeper.bookie.GarbageCollectorThread$CompactionScannerFactory.waitEntrylogFlushed(GarbageCollectorThread.java:151)
> at
> org.apache.bookkeeper.bookie.GarbageCollectorThread$CompactionScannerFactory.flush(GarbageCollectorThread.java:175)
> at
> org.apache.bookkeeper.bookie.GarbageCollectorThread.doCompactEntryLogs(GarbageCollectorThread.java:400)
> at
> org.apache.bookkeeper.bookie.GarbageCollectorThread.run(GarbageCollectorThread.java:309)
> {code}
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