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From cmoulliard <cmoulli...@gmail.com>
Subject Re: KahaDB failure with Active MQ 5.4 snapshot
Date Mon, 31 May 2010 14:38:30 GMT

Hi Christian,

I'm not quite sure that this is an excellent idea to switch from 5.3 to
5.4-SNAPSHOT on a "production" environment. It should be a better idea to
have a network of brokers with br1 = activeMq 5.3 and br2 = activemq 5.4.
Using a network of broker between br1 to br2, you will recreate a tree index
for the br2 when messages created (produced) on br1 will be forwarded to br2
when consumers will be connected.

KR,

Charles


Christian grobmeier wrote:
> 
> Hello,
> 
> we have upgraded from 5.3.x series to a snapshot version because we
> got several KahaDB errors. It was fine for a long time but then we
> suddenly had an KahaDB error again. Any idea where is this coming
> from? I assume its again something on creating index or such.
> 
> Thanks for any tips,
> Christian
> 
> 
> Java Runtime: Sun Microsystems Inc. 1.6.0_10 /usr/java/jre1.6.0_10
>   Heap sizes: current=8896k  free=7231k  max=699072k
>     JVM args: -Xmx768M
> -Dorg.apache.activemq.UseDedicatedTaskRunner=true
> -Djava.util.logging.config.file=logging.properties
> -Dcom.sun.management.jmxremote
> -Dactivemq.classpath=/opt/batchjobs/apache-activemq-5.4-SNAPSHOT-master/conf;
> -Dactivemq.home=/opt/batchjobs/apache-activemq-5.4-SNAPSHOT-master
> -Dactivemq.base=/opt/batchjobs/apache-activemq-5.4-SNAPSHOT-master
> ACTIVEMQ_HOME: /opt/batchjobs/apache-activemq-5.4-SNAPSHOT-master
> ACTIVEMQ_BASE: /opt/batchjobs/apache-activemq-5.4-SNAPSHOT-master
> Loading message broker from: xbean:activemq.xml
>  INFO |
> PListStore:/opt/batchjobs/col3fo/apache-activemq-5.4-SNAPSHOT-master/data/broker-production-master/tmp_storage
> started
>  INFO | Using Persistence Adapter:
> org.apache.activemq.store.kahadb.KahaDBPersistenceAdapter@63779885
>  INFO | Replayed 28 operations from the journal in 0.037 seconds.
>  INFO | ActiveMQ 5.4-SNAPSHOT JMS Message Broker
> (broker-production-master) is starting
>  INFO | For help or more information please see:
> http://activemq.apache.org/
>  INFO | Scheduler using directory: activemq-data/scheduler
>  INFO | Listening for connections at: tcp://l00sr329:61610
>  INFO | Connector openwire Started
>  INFO | ActiveMQ JMS Message Broker (broker-production-master,
> ID:l00sr329-36140-1275296510105-0:0) started
>  INFO | Logging to
> org.slf4j.impl.JCLLoggerAdapter(org.eclipse.jetty.util.log) via
> org.eclipse.jetty.util.log.Slf4jLog
>  INFO | jetty-7.0.1.v20091125
>  INFO | ActiveMQ WebConsole initialized.
>  INFO | Initializing Spring FrameworkServlet 'dispatcher'
>  INFO | ActiveMQ Console at http://0.0.0.0:8160/admin
>  INFO | Started SelectChannelConnector@0.0.0.0:8160
> ERROR | Failed to fill batch
> java.lang.NullPointerException
>         at
> org.apache.kahadb.index.BTreeNode$BTreeIterator.findNextPage(BTreeNode.java:109)
>         at
> org.apache.kahadb.index.BTreeNode$BTreeIterator.hasNext(BTreeNode.java:120)
>         at
> org.apache.activemq.store.kahadb.KahaDBStore$KahaDBMessageStore$5.execute(KahaDBStore.java:240)
>         at
> org.apache.kahadb.page.Transaction.execute(Transaction.java:728)
>         at
> org.apache.activemq.store.kahadb.KahaDBStore$KahaDBMessageStore.recoverNextMessages(KahaDBStore.java:235)
>         at
> org.apache.activemq.broker.region.cursors.QueueStorePrefetch.doFillBatch(QueueStorePrefetch.java:97)
>         at
> org.apache.activemq.broker.region.cursors.AbstractStoreCursor.fillBatch(AbstractStoreCursor.java:253)
>         at
> org.apache.activemq.broker.region.cursors.AbstractStoreCursor.reset(AbstractStoreCursor.java:106)
>         at
> org.apache.activemq.broker.region.cursors.StoreQueueCursor.reset(StoreQueueCursor.java:157)
>         at
> org.apache.activemq.broker.region.Queue.doBrowse(Queue.java:850)
>         at
> org.apache.activemq.broker.region.Queue.expireMessages(Queue.java:632)
>         at
> org.apache.activemq.broker.region.Queue.access$100(Queue.java:89)
>         at org.apache.activemq.broker.region.Queue$2.run(Queue.java:122)
>         at
> org.apache.activemq.thread.SchedulerTimerTask.run(SchedulerTimerTask.java:33)
>         at java.util.TimerThread.mainLoop(Unknown Source)
>         at java.util.TimerThread.run(Unknown Source)
> ERROR | Failed to fill batch
> java.lang.RuntimeException: java.lang.NullPointerException
>         at
> org.apache.activemq.broker.region.cursors.AbstractStoreCursor.fillBatch(AbstractStoreCursor.java:256)
>         at
> org.apache.activemq.broker.region.cursors.AbstractStoreCursor.reset(AbstractStoreCursor.java:106)
>         at
> org.apache.activemq.broker.region.cursors.StoreQueueCursor.reset(StoreQueueCursor.java:157)
>         at
> org.apache.activemq.broker.region.Queue.doBrowse(Queue.java:850)
>         at
> org.apache.activemq.broker.region.Queue.expireMessages(Queue.java:632)
>         at
> org.apache.activemq.broker.region.Queue.access$100(Queue.java:89)
>         at org.apache.activemq.broker.region.Queue$2.run(Queue.java:122)
>         at
> org.apache.activemq.thread.SchedulerTimerTask.run(SchedulerTimerTask.java:33)
>         at java.util.TimerThread.mainLoop(Unknown Source)
>         at java.util.TimerThread.run(Unknown Source)
> Caused by: java.lang.NullPointerException
>         at
> org.apache.kahadb.index.BTreeNode$BTreeIterator.findNextPage(BTreeNode.java:109)
>         at
> org.apache.kahadb.index.BTreeNode$BTreeIterator.hasNext(BTreeNode.java:120)
>         at
> org.apache.activemq.store.kahadb.KahaDBStore$KahaDBMessageStore$5.execute(KahaDBStore.java:240)
>         at
> org.apache.kahadb.page.Transaction.execute(Transaction.java:728)
>         at
> org.apache.activemq.store.kahadb.KahaDBStore$KahaDBMessageStore.recoverNextMessages(KahaDBStore.java:235)
>         at
> org.apache.activemq.broker.region.cursors.QueueStorePrefetch.doFillBatch(QueueStorePrefetch.java:97)
>         at
> org.apache.activemq.broker.region.cursors.AbstractStoreCursor.fillBatch(AbstractStoreCursor.java:253)
>         ... 9 more
> ERROR | Problem retrieving message for browse
> java.lang.RuntimeException: java.lang.RuntimeException:
> java.lang.NullPointerException
>         at
> org.apache.activemq.broker.region.cursors.AbstractStoreCursor.reset(AbstractStoreCursor.java:109)
>         at
> org.apache.activemq.broker.region.cursors.StoreQueueCursor.reset(StoreQueueCursor.java:157)
>         at
> org.apache.activemq.broker.region.Queue.doBrowse(Queue.java:850)
>         at
> org.apache.activemq.broker.region.Queue.expireMessages(Queue.java:632)
>         at
> org.apache.activemq.broker.region.Queue.access$100(Queue.java:89)
>         at org.apache.activemq.broker.region.Queue$2.run(Queue.java:122)
>         at
> org.apache.activemq.thread.SchedulerTimerTask.run(SchedulerTimerTask.java:33)
>         at java.util.TimerThread.mainLoop(Unknown Source)
>         at java.util.TimerThread.run(Unknown Source)
> Caused by: java.lang.RuntimeException: java.lang.NullPointerException
>         at
> org.apache.activemq.broker.region.cursors.AbstractStoreCursor.fillBatch(AbstractStoreCursor.java:256)
>         at
> org.apache.activemq.broker.region.cursors.AbstractStoreCursor.reset(AbstractStoreCursor.java:106)
>         ... 8 more
> Caused by: java.lang.NullPointerException
>         at
> org.apache.kahadb.index.BTreeNode$BTreeIterator.findNextPage(BTreeNode.java:109)
>         at
> org.apache.kahadb.index.BTreeNode$BTreeIterator.hasNext(BTreeNode.java:120)
>         at
> org.apache.activemq.store.kahadb.KahaDBStore$KahaDBMessageStore$5.execute(KahaDBStore.java:240)
>         at
> org.apache.kahadb.page.Transaction.execute(Transaction.java:728)
>         at
> org.apache.activemq.store.kahadb.KahaDBStore$KahaDBMessageStore.recoverNextMessages(KahaDBStore.java:235)
>         at
> org.apache.activemq.broker.region.cursors.QueueStorePrefetch.doFillBatch(QueueStorePrefetch.java:97)
>         at
> org.apache.activemq.broker.region.cursors.AbstractStoreCursor.fillBatch(AbstractStoreCursor.java:253)
>         ... 9 more
> 
> 


-----
Charles Moulliard
SOA Architect

My Blog :  http://cmoulliard.blogspot.com/ http://cmoulliard.blogspot.com/  
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