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From "Raghu Nagaraj Setty (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (APLO-123) IQ80 LevelDB implementation used on Windows hangs the broker
Date Mon, 21 Oct 2013 08:44:43 GMT

    [ https://issues.apache.org/jira/browse/APLO-123?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13800470#comment-13800470
] 

Raghu Nagaraj Setty commented on APLO-123:
------------------------------------------

Hi Hiram,
    Currently I am using active mq 5.8.0 and i want to use jni based driver for the levelDB
persistence adapter. But I am unable to do it. Even after assigning
 <persistenceAdapter>
             <levelDB directory="D:/workspace/AMQ5.8.0Data/leveldb" indexFactory="org.fusesource.leveldbjni.JniDBFactory"/>
   </persistenceAdapter>

in the activemq.xml it throws the following exception.

ERROR | Failed to start Apache ActiveMQ (localhost, null). Reason: java.lang.Exception: Could
not load any of the index factory classes: org.fusesource.leveldbjni.JniDBFactory | org.apache.activemq.broker.BrokerService
| main
java.lang.Exception: Could not load any of the index factory classes: org.fusesource.leveldbjni.JniDBFactory
	at org.apache.activemq.leveldb.LevelDBClient$$anonfun$start$6.apply(LevelDBClient.scala:499)
	at org.apache.activemq.leveldb.LevelDBClient$$anonfun$start$6.apply(LevelDBClient.scala:499)
	at scala.Option.getOrElse(Option.scala:120)
	at org.apache.activemq.leveldb.LevelDBClient.start(LevelDBClient.scala:499)
	at org.apache.activemq.leveldb.DBManager.start(DBManager.scala:547)
	at org.apache.activemq.leveldb.LevelDBStore.doStart(LevelDBStore.scala:209)
	at org.apache.activemq.util.ServiceSupport.start(ServiceSupport.java:55)
	at org.apache.activemq.broker.BrokerService.doStartPersistenceAdapter(BrokerService.java:598)
	at org.apache.activemq.broker.BrokerService.startPersistenceAdapter(BrokerService.java:587)
	at org.apache.activemq.broker.BrokerService.start(BrokerService.java:552)
	at org.apache.activemq.xbean.XBeanBrokerService.afterPropertiesSet(XBeanBrokerService.java:60)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43

> IQ80 LevelDB implementation used on Windows hangs the broker
> ------------------------------------------------------------
>
>                 Key: APLO-123
>                 URL: https://issues.apache.org/jira/browse/APLO-123
>             Project: ActiveMQ Apollo
>          Issue Type: Bug
>          Components: apollo-leveldb
>         Environment: Windows, and any other OS not supported by the leveldb-jni module.
>            Reporter: Hiram Chirino
>            Assignee: Hiram Chirino
>             Fix For: 1.0
>
>
> If the leveldb-jni module cannot be loaded (typically because the JNI bits have not been
compiled for your OS), then Apollo falls back to a pure java implementation of leveldb: https://github.com/dain/leveldb
> Currently issue #4 at https://github.com/dain/leveldb/issues/4
> Is causing the implementation to lockup, which in turn causes Apollo to lockup when it's
doing persistence operations.



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