[jira] [Commented] (AMQ-4917) LevelDB store can fail when using durable subs

["Arthur Naseef (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AMQ-4917?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14020959#comment-14020959 ] 

Arthur Naseef commented on AMQ-4917:
------------------------------------

Git commit: https://git-wip-us.apache.org/repos/asf?p=activemq.git;a=commit;h=8378cb1ffc77715d3c9c8a173805f037afa2935a

> LevelDB store can fail when using durable subs
> ----------------------------------------------
>
>                 Key: AMQ-4917
>                 URL: https://issues.apache.org/jira/browse/AMQ-4917
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 5.9.0
>            Reporter: Hiram Chirino
>            Assignee: Hiram Chirino
>             Fix For: 5.9.1, 5.10.0
>
>
> Tenzin giatso  original reported this issue in AMQ-4837 :
> The broker stopped 3 times this night after about 6h50min, then 6h50 min then 50min.
> The error sounds to be the saùme (except the line number in class) but the broker restart automaticly with the snapshot.
> 2013-11-19 05:27:43,671 | INFO | Stopping BrokerService[localhost] due to exception, java.io.IOException | org.apache.activemq.util.DefaultIOExceptionHandler | LevelDB IOException handler.
> java.io.IOException
> at org.apache.activemq.util.IOExceptionSupport.create(IOExceptionSupport.java:39)
> at org.apache.activemq.leveldb.LevelDBClient.might_fail(LevelDBClient.scala:554)
> at org.apache.activemq.leveldb.LevelDBClient.might_fail_using_index(LevelDBClient.scala:1021)
> at org.apache.activemq.leveldb.LevelDBClient.collectionCursor(LevelDBClient.scala:1320)
> at org.apache.activemq.leveldb.LevelDBClient.queueCursor(LevelDBClient.scala:1244)
> at org.apache.activemq.leveldb.DBManager.cursorMessages(DBManager.scala:708)
> at org.apache.activemq.leveldb.LevelDBStore$LevelDBMessageStore.recover(LevelDBStore.scala:747)
> at org.apache.activemq.broker.region.Topic.doBrowse(Topic.java:588)
> at org.apache.activemq.broker.region.Topic.access$100(Topic.java:65)
> at org.apache.activemq.broker.region.Topic$6.run(Topic.java:721)
> at org.apache.activemq.thread.SchedulerTimerTask.run(SchedulerTimerTask.java:33)
> at java.util.TimerThread.mainLoop(Unknown Source)
> at java.util.TimerThread.run(Unknown Source)
> Caused by: java.lang.NullPointerException
> at org.apache.activemq.leveldb.LevelDBClient$$anonfun$queueCursor$1.apply(LevelDBClient.scala:1248)
> It's not easy to reproduce. It's better with the snapshot but i can't say that no messages are lost with leveldb.



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