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https://issues.apache.org/jira/browse/AMQ-2445?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dejan Bosanac updated AMQ-2445:
-------------------------------
Fix Version/s: (was: 5.4.2)
5.5.0
> Repeating NPE on shutdown under Tomcat
> --------------------------------------
>
> Key: AMQ-2445
> URL: https://issues.apache.org/jira/browse/AMQ-2445
> Project: ActiveMQ
> Issue Type: Bug
> Components: Message Store
> Affects Versions: 5.2.0
> Reporter: Brian Topping
> Fix For: 5.5.0
>
>
> When AMQ is embedded in Tomcat 6 with the vm: connector, the following
> exception is occasionally produced in large quantity:
> Exception in thread "Persistence Adaptor Task" java.lang.NullPointerException
> at org.apache.log4j.LogManager.getLogger(LogManager.java:188)
> at org.apache.log4j.Logger.getLogger(Logger.java:104)
> at
> org.apache.commons.logging.impl.Log4JLogger.getLogger(Log4JLogger.java:289)
> at
> org.apache.commons.logging.impl.Log4JLogger.isDebugEnabled(Log4JLogger.java:299)
> at
> org.apache.activemq.store.amq.AMQPersistenceAdapter.doCheckpoint(AMQPersistenceAdapter.java:380)
> at
> org.apache.activemq.store.amq.AMQPersistenceAdapter$1.iterate(AMQPersistenceAdapter.java:237)
> at
> org.apache.activemq.thread.PooledTaskRunner.runTask(PooledTaskRunner.java:122)
> at
> org.apache.activemq.thread.PooledTaskRunner$1.run(PooledTaskRunner.java:43)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:637)
> It seems to happen more reliably when there are messages that have been
> transactionally rolled back to the queue over the course of the execution.
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