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Posted to dev@activemq.apache.org by "Danielius Jurna (JIRA)" <ji...@apache.org> on 2006/11/07 08:36:02 UTC

[jira] Created: (AMQ-1027) Failover transport incorrectly handles prefetched messages

Failover transport incorrectly handles prefetched messages
----------------------------------------------------------

                 Key: AMQ-1027
                 URL: https://issues.apache.org/activemq/browse/AMQ-1027
             Project: ActiveMQ
          Issue Type: Bug
          Components: Connector
    Affects Versions: 4.0.2
         Environment: Linux (Kernel 2.6), jdk 1.5.0_08
            Reporter: Danielius Jurna
         Attachments: FailoverConsumerTest.java

After failover transport reconnect, if there is prefetched messages on the client, client sends invalid ack messages to the server. After that client stops receiving messages and it must be restarted.
This happens only when there are more messages in the queue, than queue prefetch size.
There is attached test case, which reproduces this error. Unfortunately, theres error in NetworkTestSupport.restartRemoteBroker() (after restart client cannot receive messages left in the queue). So you must use external broker an restart it manually, when the test asks you to do that. Should I report this bug in Component "Test cases"?

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[jira] Commented: (AMQ-1027) Failover transport incorrectly handles prefetched messages

Posted by "Kieran Murphy (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/activemq/browse/AMQ-1027?page=comments#action_37621 ] 
            
Kieran Murphy commented on AMQ-1027:
------------------------------------

My testing shows also that if a client is shutdown after failover but before it has processed all of its prefetched messages, then those messages are not received by any other consumer -- they are lost without having been consumed.

> Failover transport incorrectly handles prefetched messages
> ----------------------------------------------------------
>
>                 Key: AMQ-1027
>                 URL: https://issues.apache.org/activemq/browse/AMQ-1027
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Connector
>    Affects Versions: 4.0.2
>         Environment: Linux (Kernel 2.6), jdk 1.5.0_08
>            Reporter: Danielius Jurna
>         Attachments: FailoverConsumerTest.java
>
>
> After failover transport reconnect, if there is prefetched messages on the client, client sends invalid ack messages to the server. After that client stops receiving messages and it must be restarted.
> This happens only when there are more messages in the queue, than queue prefetch size.
> There is attached test case, which reproduces this error. Unfortunately, theres error in NetworkTestSupport.restartRemoteBroker() (after restart client cannot receive messages left in the queue). So you must use external broker an restart it manually, when the test asks you to do that. Should I report this bug in Component "Test cases"?

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