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https://issues.apache.org/jira/browse/AMQ-3977?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13435372#comment-13435372
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Timothy Bish commented on AMQ-3977:
-----------------------------------
There's no guarantees with receiveNoWait, if the message is still enroute to
the client and you call receiveNoWait you'll get a null back. The fact that a
timed receive call does get the message further indicates that the message
simply hasn't arrived at the client. If you really think there's an issue then
I suggest creating a JUnit test case to reproduce it, however anytime you use
receiveNoWait you need to code with the expectation that you could get a null
return.
> receiveNoWait returns NULL when attempting to receive message from Virtual
> Topic
> --------------------------------------------------------------------------------
>
> Key: AMQ-3977
> URL: https://issues.apache.org/jira/browse/AMQ-3977
> Project: ActiveMQ
> Issue Type: Bug
> Affects Versions: 5.6.0
> Environment: Windows
> Reporter: badams
>
> Here are my steps that I performed:
> 1) Create Virtual Topic "VirtualTopic.Orders"
> 2) Create consumer "Consumer.A.VirtualTopic.Orders"
> 3) Publish persistent message to VirtualTopic.Orders (I see my message
> enqueued on my Queue)
> 4) Attempt to synchronously read the message using the receiveNoWait()
> method. This returns null.
> My current work around is using receive(timeout) method. This adds wasted
> time on my server and should be fixed.
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