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https://issues.apache.org/activemq/browse/SM-1134?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=45290#action_45290
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Jeroen Ninck Blok commented on SM-1134:
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I have attached a patch to this issue. I am pretty sure that it doesn't fix the
problem as Guillaume describes in his comment, however it does appear to be
working without causing any (serious) memory leaks.
> NullpointerException on DeliveryChannel.send()
> ----------------------------------------------
>
> Key: SM-1134
> URL: https://issues.apache.org/activemq/browse/SM-1134
> Project: ServiceMix
> Issue Type: Bug
> Components: servicemix-bean
> Affects Versions: 3.2
> Environment: Mac OSX Tiger
> Reporter: Ryan Bohn
> Priority: Blocker
> Attachments: BeanEndpoint_sm1134.patch, servicemix-bean-example.zip
>
>
> I'm trying to send a message asynchronously from a sender to a receiver using
> an InOnly exchange. When I call DeliveryChannel.send(), I get the following
> NullPointerException:
> Sending message: Hello?
> java.lang.NullPointerException
> at
> java.util.concurrent.ConcurrentHashMap.put(ConcurrentHashMap.java:846)
> at
> org.apache.servicemix.bean.BeanEndpoint$PojoChannel.send(BeanEndpoint.java:566)
> at example.Sender$1.run(Sender.java:40)
> at java.lang.Thread.run(Thread.java:613)
> When I go to the line of code in the BeanEndpoint, I see the following:
> requests.put(messageExchange.getExchangeId(), currentRequest.get());
> Using my debugger, I noticed the value of currentRequest.get() returns null,
> which is not allowed in a ConcurrentHashMap (neither null keys nor null
> values are allowed). the message exchange id is non-null.
> I also noticed that currentRequest is only set when the component receives an
> exchange, which is not the case here.
> Both the sender and receiver are using bean endpoints. I have attached the
> project to this ticket. You can deploy the project using maven, with the
> following command:
> mvn install jbi:projectDeploy
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