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https://issues.apache.org/jira/browse/BOOKKEEPER-700?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13809399#comment-13809399
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Sijie Guo commented on BOOKKEEPER-700:
--------------------------------------
{quote}
IMHO, one way to address this would be to create a common 'BookieThread' that
all the threads must extend and every thread can define following properties:
{quote}
there is already a BookieThread doing this. you don't need to create a new
class. But I don't think GarbageCollectorThread is critical enough to do this,
as the garbage collector thread quits doesn't affect anything.
> 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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