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https://issues.apache.org/jira/browse/QPID-6738?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14743410#comment-14743410
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Robbie Gemmell commented on QPID-6738:
--------------------------------------
I had noticed the potential for an NPE there in the client on Thursday, but
didn't yet change it as Tim was making some changes in that area. I'm heading
out soon but will try to look at it later.
> Joram test TopicSessionTest#testDurableSubscriber hangs against Java Broker
> when invoked a second time (qpid-jms-client 0.5.0)
> ------------------------------------------------------------------------------------------------------------------------------
>
> Key: QPID-6738
> URL: https://issues.apache.org/jira/browse/QPID-6738
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: qpid-java-6.0
> Reporter: Keith Wall
> Attachments: joramtest.log
>
>
> If I run
> {{org.objectweb.jtests.jms.conform.session.TopicSessionTest#testDurableSubscriber}}
> twice against the Java Broker using the qpid-jms-client (0.5.0), the second
> invocation always hangs with a NPE reported client side.
> {noformat}
> 015-09-14 09:20:55,862 INFO [AmqpProvider:(2):[amqp://localhost:5672]]
> o.a.q.j.JmsConnection Connection ID:berlin.local-52005-1442218854893-0:2
> connected to remote Broker: amqp://localhost:5672
> 2015-09-14 09:20:55,864 DEBUG [AmqpProvider:(2):[amqp://localhost:5672]]
> o.a.q.j.p.a.AmqpAbstractResource AmqpSession {
> ID:berlin.local-52005-1442218854893-0:2:1 } is now open:
> 2015-09-14 09:20:55,918 DEBUG [AmqpProvider:(2):[amqp://localhost:5672]]
> o.a.q.j.p.a.AmqpAbstractResource AmqpConsumer {
> ID:berlin.local-52005-1442218854893-0:2:1:1 } is now open:
> 2015-09-14 09:20:55,924 DEBUG [AmqpProvider:(2):[amqp://localhost:5672]]
> o.a.q.j.p.a.AmqpAbstractResource AmqpConsumer {
> ID:berlin.local-52005-1442218854893-0:2:1:2 } is now open:
> 2015-09-14 09:20:55,933 DEBUG [AmqpProvider:(2):[amqp://localhost:5672]]
> o.a.q.j.p.a.AmqpAbstractResource AmqpConnection {
> ID:berlin.local-52005-1442218854893-0:2 } is now closed:
> 2015-09-14 09:20:55,936 DEBUG [main] o.a.q.j.u.ThreadPoolUtils Shutdown of
> ExecutorService: java.util.concurrent.ThreadPoolExecutor@7b9f36c7[Terminated,
> pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 0] is
> shutdown: true and terminated: true took: 0.000 seconds.
> 2015-09-14 09:20:55,973 WARN [AmqpProvider:(1):[amqp://localhost:5672]]
> o.a.q.j.p.a.AmqpProvider Caught Exception during update processing: null
> java.lang.NullPointerException: null
> at
> org.apache.qpid.jms.provider.amqp.AmqpAbstractResource.getRemoteError(AmqpAbstractResource.java:232)
> ~[qpid-jms-client-0.5.0.jar:0.5.0]
> at
> org.apache.qpid.jms.provider.amqp.AmqpFixedProducer.processDeliveryUpdates(AmqpFixedProducer.java:221)
> ~[qpid-jms-client-0.5.0.jar:0.5.0]
> at
> org.apache.qpid.jms.provider.amqp.AmqpProvider.processUpdates(AmqpProvider.java:807)
> [qpid-jms-client-0.5.0.jar:0.5.0]
> at
> org.apache.qpid.jms.provider.amqp.AmqpProvider.access$2000(AmqpProvider.java:90)
> [qpid-jms-client-0.5.0.jar:0.5.0]
> at
> org.apache.qpid.jms.provider.amqp.AmqpProvider$17.run(AmqpProvider.java:707)
> [qpid-jms-client-0.5.0.jar:0.5.0]
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> [na:1.7.0_79]
> at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> [na:1.7.0_79]
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178)
> [na:1.7.0_79]
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292)
> [na:1.7.0_79]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> [na:1.7.0_79]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> [na:1.7.0_79]
> at java.lang.Thread.run(Thread.java:745) [na:1.7.0_79]
> {noformat}
> Execute the following command twice to reproduce, having first started a Java
> Broker in default configuration with HTTP basic auth enabled.
> {{mvn -f joramtests/pom.xml integration-test -Djoramtests=qpid-jms-client
> -Dit.test=TopicSessionTest#testDurableSubscriber}}
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