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https://issues.apache.org/jira/browse/APLO-207?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13455618#comment-13455618
 ] 

Lionel Cons commented on APLO-207:
----------------------------------

We saw it again yesterday on apollo-99-trunk-20120902.143447-110. Here is the 
stack trace:

2012-09-13 14:47:54,725 | WARN  | stackref=139bf590dfd
java.lang.AssertionError: queue:loadq-0: Use of object not allowed after it has 
been released.
        at 
org.fusesource.hawtdispatch.BaseRetained.assertRetained(BaseRetained.java:172)
        at 
org.fusesource.hawtdispatch.BaseRetained.release(BaseRetained.java:121)
        at 
org.apache.activemq.apollo.broker.DeliveryProducerRoute$$anonfun$unbind$1$$anonfun$apply$mcV$sp$3.apply(Router.scala:254)
        at 
org.apache.activemq.apollo.broker.DeliveryProducerRoute$$anonfun$unbind$1$$anonfun$apply$mcV$sp$3.apply(Router.scala:254)
        at 
scala.collection.LinearSeqOptimized$class.foreach(LinearSeqOptimized.scala:59)
        at scala.collection.immutable.List.foreach(List.scala:45)
        at 
org.apache.activemq.apollo.broker.DeliveryProducerRoute$$anonfun$unbind$1.apply$mcV$sp(Router.scala:254)
        at 
org.fusesource.hawtdispatch.package$$anon$3.run(hawtdispatch.scala:357)
        at 
org.fusesource.hawtdispatch.internal.SerialDispatchQueue.run(SerialDispatchQueue.java:96)
        at 
org.fusesource.hawtdispatch.internal.pool.SimpleThread.run(SimpleThread.java:77)

                
> "Use of object not allowed after it has been released" error then broker stuck
> ------------------------------------------------------------------------------
>
>                 Key: APLO-207
>                 URL: https://issues.apache.org/jira/browse/APLO-207
>             Project: ActiveMQ Apollo
>          Issue Type: Bug
>         Environment: apollo-99-trunk-20120519.032132-42
>            Reporter: Lionel Cons
>         Attachments: APLO-207.log
>
>
> Using apollo-99-trunk-20120519.032132-42, we saw once in our logs:
> 2012-05-25 17:46:02,285 | WARN  | java.lang.AssertionError: stomp 
> subscription id: our-id, remote address: /127.0.0.1:49582: Use of object not 
> allowed after it has been released. | 
> org.apache.activemq.apollo.broker.Broker | hawtdispatch-DEFAULT-4
> Then the broker was unusable, stuck on "virtual host shutdown is waiting on 
> stop". The broker could not be stopped via "service apollo stop", only "kill 
> -9" has been able stop it.
> See the attached logs for more information.

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