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From "badams (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMQ-3977) receiveNoWait returns NULL when attempting to receive message from Virtual Topic
Date Thu, 16 Aug 2012 00:07:38 GMT

    [ https://issues.apache.org/jira/browse/AMQ-3977?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13435630#comment-13435630
] 

badams commented on AMQ-3977:
-----------------------------

If the message has been enqueued on the broker, I don't see how receiveNoWait() would return
null. I'm guessing the receiveNoWait code *should* first perform a check to determine if there
is a message waiting to be dequeued, if so return the msg, if not return null. I found an
older ticket that had this exact same problem in a 4.x version. Perhaps something was reintroduced.
                
> 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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