[ https://issues.apache.org/activemq/browse/AMQ-528?page=all ]
Hiram Chirino updated AMQ-528:
------------------------------
Fix Version/s: 4.0.3
(was: 4.0.2)
> 4.0 M4 NullPointerException while shutting down
> -----------------------------------------------
>
> Key: AMQ-528
> URL: https://issues.apache.org/activemq/browse/AMQ-528
> Project: ActiveMQ
> Issue Type: Bug
> Affects Versions: 4.0
> Environment: RedHat Linux Enterprise Server 3, Tomcat 5.5.15, MySQL
> 5.0.18 for Linux
> Reporter: Leon Hu
> Priority: Critical
> Fix For: 4.0.3, 4.1
>
>
> Setup:
> 3 networked brokers, B1, B2, and B3, on 3 servers, connected using multicast
> discovery. activemq.xml:
> <broker useJmx="false" brokerName="B1">
>
> <persistenceAdapter>
> <journaledJDBC journalLogFiles="5" dataDirectory="foo"
> dataSource="#mysql-ds"/>
> </persistenceAdapter>
>
> <transportConnectors>
> <transportConnector uri="tcp://localhost:61616"
> discoveryUri="multicast://default"/>
> </transportConnectors>
>
> <networkConnectors>
> <networkConnector uri="multicast://default"/>
> </networkConnectors>
>
> </broker>
>
> <bean id="mysql-ds" class="org.apache.commons.dbcp.BasicDataSource"
> destroy-method="close">
> <property name="driverClassName" value="com.mysql.jdbc.Driver"/>
> <property name="url"
> value="jdbc:mysql://localhost/activemq?relaxAutoCommit=true"/>
> <property name="username" value="activemqUser"/>
> <property name="password" value="activemqPwd"/>
> <property name="poolPreparedStatements" value="true"/>
> </bean>
> Similar for B2 and B3.
> Two queues: Q1 and Q2.
> Two producers, one for each queue, both producers connected to B1.
> One Q1 cosumer connected to B1, another Q1 consumer on B2.
> One Q2 consumer connected to B2, another Q2 consumer connected to B3.
> Steps:
> Start the brokers and start sending messages to the queue.
> After a while, stop the brokers (Sequence does not matter)
> See the errors in catalina.out of the Tomcat that has a broker with both
> producers and consumers connected
> The problems:
> 1.
> Exception in thread "ActiveMQ Scheduler" java.lang.NullPointerException
> at
> edu.emory.mathcs.backport.java.util.concurrent.helpers.Utils$SunPerfProvider.nanoTime(Utils.java:219)
> at
> edu.emory.mathcs.backport.java.util.concurrent.helpers.Utils.nanoTime(Utils.java:99)
> at
> edu.emory.mathcs.backport.java.util.concurrent.ScheduledThreadPoolExecutor.now(ScheduledThreadPoolExecutor.java:88)
> at
> edu.emory.mathcs.backport.java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.getDelay(ScheduledThreadPoolExecutor.java:137)
> Exception in thread "ActiveMQ Scheduler" Exception in thread "ActiveMQ
> Scheduler" Exception in thread "ActiveMQ Scheduler" at
> edu.emory.mathcs.backport.java.util.concurrent.DelayQueue.take(DelayQueue.java:154)
> at
> edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:470)
> at
> edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:667)
> at java.lang.Thread.run(Thread.java:595)
> java.lang.NullPointerException
> at
> edu.emory.mathcs.backport.java.util.concurrent.helpers.Utils$SunPerfProvider.nanoTime(Utils.java:219)
> Exception in thread "ActiveMQ Scheduler" Exception in thread "ActiveMQ
> Scheduler" Exception in thread "ActiveMQ Scheduler" at
> edu.emory.mathcs.backport.java.util.concurrent.helpers.Utils.nanoTime(Utils.java:99)
> at
> edu.emory.mathcs.backport.java.util.concurrent.ScheduledThreadPoolExecutor.now(ScheduledThreadPoolExecutor.java:88)
> at
> edu.emory.mathcs.backport.java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.getDelay(ScheduledThreadPoolExecutor.java:137)
> at
> edu.emory.mathcs.backport.java.util.concurrent.DelayQueue.take(DelayQueue.java:154)
> at
> edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:470)
> Exception in thread "ActiveMQ Scheduler" Exception in thread "ActiveMQ
> Scheduler" at
> edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:667)
> at java.lang.Thread.run(Thread.java:595)
> 2. The same exception is logged to the log file (in my case catalina.out) for
> hundreds of times, resulting a log file exceeding 150 MB in 2 minutes.
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