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https://issues.apache.org/jira/browse/AMQ-3369?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13063860#comment-13063860
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Timothy Bish commented on AMQ-3369:
-----------------------------------
Do you have a test case that can reproduce this issue?
Have you tried using a later release such as 5.5 or a 5.6-SNAPSHOT?
> occasionally NPE in ActiveMQTextMessage.getSize()
> -------------------------------------------------
>
> Key: AMQ-3369
> URL: https://issues.apache.org/jira/browse/AMQ-3369
> Project: ActiveMQ
> Issue Type: Bug
> Components: Broker
> Affects Versions: 5.4.1
> Environment: JDK 1.6 (64-bit), Windows Server 2008 x64
> Reporter: Ivan Pechorin
>
> Sometime we get NullPointerException when sending a text message. We use
> method send(destination, message) of interface javax.jms.MessageProducer.
> java.lang.NullPointerException
> at
> org.apache.activemq.command.ActiveMQTextMessage.getSize(ActiveMQTextMessage.java:148)
> at org.apache.activemq.ActiveMQSession.send(ActiveMQSession.java:1753)
> at
> org.apache.activemq.ActiveMQMessageProducer.send(ActiveMQMessageProducer.java:231)
> at
> org.apache.activemq.ActiveMQMessageProducerSupport.send(ActiveMQMessageProducerSupport.java:300)
> Caller code is:
> try {
> final TextMessage message = session.createTextMessage(msg);
> message.setJMSType(type);
> message.setJMSReplyTo(destination);
> message.setJMSCorrelationID(jmsMessageId);
> producer.send(destination, message);
> } catch (JMSException ex) {
> ...
> }
> I.e. we don't reuse or store the message being sent.
> We are also 100% sure that both session and its producer are used only from
> one thread at any point of time (we have custom session pool).
> Broker URI is
> vm://jboss-activemq-broker?jms.copyMessageOnSend=false&jms.objectMessageSerializationDefered=true&jms.useAsyncSend=true
> The NPE occurs occasionally, we were not able to reproduce it
> deterministically so far.
> Any suggestions on how to investigate this?
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