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https://issues.apache.org/jira/browse/AMQ-4077?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Timothy Bish closed AMQ-4077.
-----------------------------
Resolution: Incomplete
No test case for validation. There has been a great deal of work done on
KahaDB since 5.5.1 recommend moving to 5.8.0 or testing against a 5.9-SNAPSHOT
> NullPointerException in BTreeNode.java line 110
> -----------------------------------------------
>
> Key: AMQ-4077
> URL: https://issues.apache.org/jira/browse/AMQ-4077
> Project: ActiveMQ
> Issue Type: Bug
> Affects Versions: 5.5.1
> Environment: #36-Ubuntu SMP Tue Apr 10 20:39:51 UTC 2012 x86_64
> x86_64 x86_64 GNU/Linux
> Reporter: Oleg Dulin
> Fix For: 5.x
>
>
> With a queue containing several million messages we started getting these
> exceptions. This appears to have stalled the queue, even after the server
> restart. I had to delete activemq-data directory to make it move along.
> 2012-09-25 05:25:48,446 ERROR [BrokerService[localhost] Task-2008]
> org.apache.activemq.broker.region.cursors.AbstractSto
> reCursor.fillBatch(AbstractStoreCursor.java:262) -
> QueueStorePrefetch1291856639 - Failed to fill batch
> java.lang.NullPointerException
> at
> org.apache.kahadb.index.BTreeNode$BTreeIterator.findNextPage(BTreeNode.java:110)
> at
> org.apache.kahadb.index.BTreeNode$BTreeIterator.hasNext(BTreeNode.java:121)
> at
> org.apache.activemq.store.kahadb.MessageDatabase$MessageOrderIndex$MessageOrderIterator.hasNext(MessageDatabase.java:2344)
> at
> org.apache.activemq.store.kahadb.KahaDBStore$KahaDBMessageStore$5.execute(KahaDBStore.java:491)
> at org.apache.kahadb.page.Transaction.execute(Transaction.java:728)
> at
> org.apache.activemq.store.kahadb.KahaDBStore$KahaDBMessageStore.recoverNextMessages(KahaDBStore.java:485)
> at
> org.apache.activemq.store.ProxyMessageStore.recoverNextMessages(ProxyMessageStore.java:88)
> at
> org.apache.activemq.broker.region.cursors.QueueStorePrefetch.doFillBatch(QueueStorePrefetch.java:97)
> at
> org.apache.activemq.broker.region.cursors.AbstractStoreCursor.fillBatch(AbstractStoreCursor.java:260)
> at
> org.apache.activemq.broker.region.cursors.AbstractStoreCursor.reset(AbstractStoreCursor.java:108)
> at
> org.apache.activemq.broker.region.cursors.StoreQueueCursor.reset(StoreQueueCursor.java:157)
> at
> org.apache.activemq.broker.region.Queue.doPageInForDispatch(Queue.java:1712)
> at
> org.apache.activemq.broker.region.Queue.pageInMessages(Queue.java:1932)
> at org.apache.activemq.broker.region.Queue.iterate(Queue.java:1440)
> at
> org.apache.activemq.thread.PooledTaskRunner.runTask(PooledTaskRunner.java:127)
> at
> org.apache.activemq.thread.PooledTaskRunner$1.run(PooledTaskRunner.java:48)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
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