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Posted to dev@activemq.apache.org by "james strachan (JIRA)" <ji...@apache.org> on 2007/03/07 17:05:21 UTC
[jira] Resolved: (AMQ-1189) java.lang.ClassCastException:
org.apache.activemq.ActiveMQConnectionConsumer, when trying to publish to a
topic
[ https://issues.apache.org/activemq/browse/AMQ-1189?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
james strachan resolved AMQ-1189.
---------------------------------
Resolution: Fixed
Issue fixed, many thanks.
Incidentally there was some background discussion on this here: http://www.nabble.com/question-on-AMQ-1189-and-TransportConnection---ActiveMQConnectionConsumer-tf3361343s2354.html
> java.lang.ClassCastException: org.apache.activemq.ActiveMQConnectionConsumer, when trying to publish to a topic
> ---------------------------------------------------------------------------------------------------------------
>
> Key: AMQ-1189
> URL: https://issues.apache.org/activemq/browse/AMQ-1189
> Project: ActiveMQ
> Issue Type: Bug
> Affects Versions: 4.1.0
> Environment: Windows XP SP2
> Reporter: Aman Nanner
> Assigned To: Hiram Chirino
> Priority: Blocker
> Fix For: 4.1.1
>
>
> When publishing to a topic, a ClassCastException occurs:
> ----
> Caused by: java.lang.ClassCastException: org.apache.activemq.ActiveMQConnectionConsumer
> at org.apache.activemq.broker.TransportConnection.processDispatch(TransportConnection.java:810)
> at org.apache.activemq.broker.TransportConnection.dispatchSync(TransportConnection.java:769)
> at org.apache.activemq.broker.region.TopicSubscription.dispatch(TopicSubscription.java:360)
> at org.apache.activemq.broker.region.TopicSubscription.add(TopicSubscription.java:83)
> at org.apache.activemq.broker.region.policy.SimpleDispatchPolicy.dispatch(SimpleDispatchPolicy.java:51)
> at org.apache.activemq.broker.region.Topic.dispatch(Topic.java:417)
> at org.apache.activemq.broker.region.Topic.send(Topic.java:264)
> at org.apache.activemq.broker.region.AbstractRegion.send(AbstractRegion.java:292)
> at org.apache.activemq.broker.region.RegionBroker.send(RegionBroker.java:385)
> at org.apache.activemq.broker.TransactionBroker.send(TransactionBroker.java:193)
> at org.apache.activemq.broker.BrokerFilter.send(BrokerFilter.java:126)
> at org.apache.activemq.broker.CompositeDestinationBroker.send(CompositeDestinationBroker.java:98)
> at org.apache.activemq.broker.MutableBrokerFilter.send(MutableBrokerFilter.java:136)
> at org.apache.activemq.broker.TransportConnection.processMessage(TransportConnection.java:497)
> at org.apache.activemq.command.ActiveMQMessage.visit(ActiveMQMessage.java:604)
> at org.apache.activemq.broker.TransportConnection.service(TransportConnection.java:293)
> at org.apache.activemq.broker.TransportConnection$1.onCommand(TransportConnection.java:184)
> at org.apache.activemq.transport.ResponseCorrelator.onCommand(ResponseCorrelator.java:95)
> at org.apache.activemq.transport.TransportFilter.onCommand(TransportFilter.java:65)
> at org.apache.activemq.transport.vm.VMTransport.syncOneWay(VMTransport.java:96)
> at org.apache.activemq.transport.vm.VMTransport.oneway(VMTransport.java:83)
> at org.apache.activemq.transport.MutexTransport.oneway(MutexTransport.java:47)
> at org.apache.activemq.transport.ResponseCorrelator.asyncRequest(ResponseCorrelator.java:69)
> at org.apache.activemq.transport.ResponseCorrelator.request(ResponseCorrelator.java:74)
> at org.apache.activemq.ActiveMQConnection.syncSendPacket(ActiveMQConnection.java:1175)
> ... 7 more
> ----
> The problem seems to stem in the processDispatch() method of the org.apache.activemq.broker.TransportConnection class. Specifically, it happens during the line:
> Runnable sub=(Runnable) md.getConsumer();
> It doesn't appear that ActiveMQConnectionConsumer implements the Runnable interface, so this is why the ClassCastException occurs.
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