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List:       activemq-dev
Subject:    [jira] [Commented] (AMQ-5225) broker will not start when using leveldb
From:       "Earle Nietzel (JIRA)" <jira () apache ! org>
Date:       2014-10-28 20:24:34
Message-ID: JIRA.12720948.1402600364000.357182.1414527874823 () Atlassian ! JIRA
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    [ https://issues.apache.org/jira/browse/AMQ-5225?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14187386#comment-14187386 \
] 

Earle Nietzel commented on AMQ-5225:
------------------------------------

FYI Also had this same issue but it wasn't because pax-url-aether was on the \
classpath but rather an old version of google-collections-1.0...

Just in case if someone else runs into something similar this option " \
-verbose:class" will help detect which class is being loaded.

> broker will not start when using leveldb
> ----------------------------------------
> 
> Key: AMQ-5225
> URL: https://issues.apache.org/jira/browse/AMQ-5225
> Project: ActiveMQ
> Issue Type: Bug
> Components: activemq-leveldb-store
> Affects Versions: 5.10.0
> Environment: Centos 6.3
> Reporter: John
> 
> I've configured a 3 node activemq cluster using this as my guide: \
> http://activemq.apache.org/replicated-leveldb-store.html 1) Startup activemq on 1st \
> node. 2) Startup activemq on 2nd node
> At this point I see a log message on the 1st node stating it was promoted to \
> master.  Next I see this Exception and am unable to connect to the broker.  Each \
> time an activemq instance is promoted to master, this exception occurs and broker \
>                 is left unusable.
> java.io.IOException: \
> com.google.common.base.Objects.firstNonNull(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
>   at org.apache.activemq.util.IOExceptionSupport.create(IOExceptionSupport.java:39)[activemq-client-5.10.0.jar:5.10.0]
>   at org.apache.activemq.leveldb.LevelDBClient.might_fail(LevelDBClient.scala:552)[activemq-leveldb-store-5.10.0.jar:5.10.0]
>   at org.apache.activemq.leveldb.LevelDBClient.replay_init(LevelDBClient.scala:657)[activemq-leveldb-store-5.10.0.jar:5.10.0]
>   at org.apache.activemq.leveldb.LevelDBClient.start(LevelDBClient.scala:558)[activemq-leveldb-store-5.10.0.jar:5.10.0]
>   at org.apache.activemq.leveldb.DBManager.start(DBManager.scala:648)[activemq-leveldb-store-5.10.0.jar:5.10.0]
>   at org.apache.activemq.leveldb.LevelDBStore.doStart(LevelDBStore.scala:235)[activemq-leveldb-store-5.10.0.jar:5.10.0]
>   at org.apache.activemq.leveldb.replicated.MasterLevelDBStore.doStart(MasterLevelDBStore.scala:110)[activemq-leveldb-store-5.10.0.jar:5.10.0]
>   at org.apache.activemq.util.ServiceSupport.start(ServiceSupport.java:55)[activemq-client-5.10.0.jar:5.10.0]
>   at org.apache.activemq.leveldb.replicated.ElectingLevelDBStore$$anonfun$start_mast \
> er$1.apply$mcV$sp(ElectingLevelDBStore.scala:226)[activemq-leveldb-store-5.10.0.jar:5.10.0]
>   at org.fusesource.hawtdispatch.package$$anon$4.run(hawtdispatch.scala:330)[hawtdispatch-scala-2.11-1.21.jar:1.21]
>   at java.lang.Thread.run(Thread.java:744)[:1.7.0_51]
> 2014-06-12 19:02:32,350 | INFO  | Stopped \
> LevelDB[/opt/apache-activemq-5.10.0/bin/linux-x86-64/../../data/leveldb] | \
> org.apache.activemq.leveldb.LevelDBStore | LevelDB IOException handler.



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