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From "Gary Tully (JIRA)" <j...@apache.org>
Subject [jira] Assigned: (AMQ-2635) Add setClientInternalExceptionListener to ActiveMQConnectionFactory
Date Wed, 03 Mar 2010 10:17:44 GMT

     [ https://issues.apache.org/activemq/browse/AMQ-2635?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gary Tully reassigned AMQ-2635:
-------------------------------

    Assignee: Gary Tully

> Add setClientInternalExceptionListener to ActiveMQConnectionFactory
> -------------------------------------------------------------------
>
>                 Key: AMQ-2635
>                 URL: https://issues.apache.org/activemq/browse/AMQ-2635
>             Project: ActiveMQ
>          Issue Type: Improvement
>          Components: JMS client
>    Affects Versions: 5.2.0
>            Reporter: Phillip Bayliss
>            Assignee: Gary Tully
>            Priority: Minor
>
> We have registered a durable topic consumer using  org.springframework.jms.listener.DefaultMessageListenerContainer.
 When the server is shut down or becomes unavailable we would like the consumer to be notified
in some way.  
> Currently there is an exception logged in activemq on level debug but the consumer is
not aware that the server is no longer available.  Is it possible to propogate this exception
back through spring or register somehwere in activeMQ to capture this 'server unavailable'
event?
> Client is linux activemq 5.2, spring 2.5.  Server is linux activemq 5.3
> Here is the client log when the server is stopped.
> 2010-03-02 17:07:31,063 [taskExecutor-1] DEBUG 2010-03-02 17:07:32,063 [taskExecutor-1]
DEBUG org.springframework.jms.listener.DefaultMessageListenerContainer - Consumer [ActiveMQMessageConsumer
{ value=ID:lab-1-33000-1267511832426-0:2:1:1, started=true }] of session [PooledSession {
ActiveMQSession {id=ID:lab-1-33000-1267511832426-0:2:1,started=true} }] did not receive a
message
> 2010-03-02 17:07:32,704 [ActiveMQ Transport: tcp://localhost/127.0.0.1:61616] DEBUG org.apache.activemq.ActiveMQConnection
- Async exception with no exception listener: java.io.EOFException
> java.io.EOFException
>         at java.io.DataInputStream.readInt(DataInputStream.java:375)
>         at org.apache.activemq.openwire.OpenWireFormat.unmarshal(OpenWireFormat.java:269)
>         at org.apache.activemq.transport.tcp.TcpTransport.readCommand(TcpTransport.java:210)
>         at org.apache.activemq.transport.tcp.TcpTransport.doRun(TcpTransport.java:202)
>         at org.apache.activemq.transport.tcp.TcpTransport.run(TcpTransport.java:185)
>         at java.lang.Thread.run(Thread.java:619)
> 2010-03-02 17:07:32,706 [ActiveMQ Connection Worker: tcp://localhost/127.0.0.1:61616]
DEBUG org.apache.activemq.transport.tcp.TcpTransport - Stopping transport tcp://localhost/127.0.0.1:61616
> 2010-03-02 17:07:33,063 [taskExecutor-1] DEBUG org.springframework.jms.listener.DefaultMessageListenerContainer
- Consumer [ActiveMQMessageConsumer { value=ID:lab-1-33000-1267511832426-0:2:1:1, started=true
}] of session [PooledSession { ActiveMQSession {id=ID:lab-1-33000-1267511832426-0:2:1,started=true}
}] did not receive a message
> etc. . .
> Spring durable topic registration
> <jms:listener-container connection-factory="jmsFactory"
>                                                         task-executor="taskExecutor"
>                                                         acknowledge="transacted"
>                                                         destination-type="durableTopic"
>                                                         client-id="DLT">
>                 <jms:listener destination="logTopic" ref="listener" subscription="durableLogTopic"
/>
> </jms:listener-container> 
> ------
> Don't think there is an easy way. You need to set a
> ClientInternalExceptionListener on the underlying activemq connection, but
> there is no easy way to set that via spring as there is no access to the
> connection.
> One option would be to provide your own connection factory that can wrap and
> delegate to the acivemq connectionfactory and set a
> clientInternalExceptionListener on each returned connection.
> From the implementation of the listener you can do what ever you need.
> Shared instances of transport and exception listeners are already exposed on
> the connection factory, I think it would make sense to also add a shared
> clientInternalExceptionListener option also.
> Could you open a jira issue to track this? 

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