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From Christian Posta <christian.po...@gmail.com>
Subject Re: Change indexFactory property of levelDB and the broker failed to start
Date Tue, 05 Nov 2013 14:43:06 GMT
if doesn't work, please post the full log upon startup


On Tue, Nov 5, 2013 at 7:42 AM, Christian Posta
<christian.posta@gmail.com> wrote:
> do you have the native leveldb installed? the JNI wrappers will work
> only if the leveldb is installed on your machine.
>
> otherwise, switching between index implementations *should* work. I
> just verified it on 5.8.
>
> On Mon, Nov 4, 2013 at 6:32 PM, HellKnight <hellknight@foxmail.com> wrote:
>> I want to use jni version of levelDB since I heard it's stable.I change the
>> indexFactory as follow:
>> <broker brokerName="broker" ... >
>>   ...
>>   <persistenceAdapter>
>>     <levelDB directory="activemq-data"
>> indexFactory="org.fusesource.leveldbjni.JniDBFactory"/>
>>   </persistenceAdapter>
>>   ...
>> </broker>
>>
>> Unfortunately it did not work out. The broker shutdown automatically. There
>> is an error in activemq.log:
>> Error: indexFactory=Could not load any of the index factory classes :
>> org.fusesource.leveldbjni.jniDBFactory
>> Moreover, I found three other errors/warns that may relates to my problem in
>> log file:
>> Could not stop
>> service:levelDB[D:/apache-activemq-5.8.0/bin/data/levelDB],Reason:java.lang.NullPointerException.
>>
>> Exception thrown from life cycle processor on context
>> close,java.lang.illegalStateException:LifeCycleProcessor not
>> initialized-call "refresh" before invoking lifecycle methods.
>>
>> Failed to stop broker after failure in start.
>>
>> Anyway, since I failed to load jni version of levelDB, I change my
>> configuration back to original, which means no indexFactory property is set
>> and pure java version will be load. However, my broker failed to start this
>> time , the command window prints out the following warning:
>> DB operation failed(entering recovery mode) |
>> org.pache.activemq.leveldb.levelDBClient | main
>>
>> I thought the levelDB is doing some recovery work, so I went home and go to
>> bed. But this morning I found the command window did not print out any new
>> infomation and the broker did not start up normally.
>>
>> I have two questions:
>> 1. Why I can not load jni version of levelDB ? I checked
>> $ACTIVEMQ_HOME/lib/extra , and I found these leveldbjni jar files:
>> activemq-leveldb-store-5.8.0.jar, leveldb-0.5.jar, leveldbjni-1.5.jar,
>> leveldb-api-0.5.jar, leveldbjni-linux32-1.5.jar, leveldbjni-linux64-1.5.jar,
>> leveldbjni-osx-1.5.jar, leveldbjni-win32-1.5.jar, leveldbjni-win64-1.5.jar.
>> It seems all leveldbjni jar files are there .
>>
>> 2. Why my broker failed to start up after I changed my configuration ? How
>> can I start it up and did not lose messages stored ?
>>
>>     Thanks for any help in advance!
>>
>>
>>
>> --
>> View this message in context: http://activemq.2283324.n4.nabble.com/Change-indexFactory-property-of-levelDB-and-the-broker-failed-to-start-tp4673880.html
>> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>
>
>
> --
> Christian Posta
> http://www.christianposta.com/blog
> twitter: @christianposta



-- 
Christian Posta
http://www.christianposta.com/blog
twitter: @christianposta

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