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From "James Green (JIRA)" <j...@apache.org>
Subject [jira] Created: (AMQ-3060) java.lang.ClassCastException: org.apache.activemq.broker.region.QueueSubscription cannot be cast to org.apache.activemq.broker.region.DurableTopicSubscription
Date Tue, 30 Nov 2010 11:16:11 GMT
java.lang.ClassCastException: org.apache.activemq.broker.region.QueueSubscription cannot be
cast to org.apache.activemq.broker.region.DurableTopicSubscription
--------------------------------------------------------------------------------------------------------------------------------------------------------------

                 Key: AMQ-3060
                 URL: https://issues.apache.org/jira/browse/AMQ-3060
             Project: ActiveMQ
          Issue Type: Improvement
    Affects Versions: 5.4.1
            Reporter: James Green


I've been asked to create an issue about this, see:

http://activemq.2283324.n4.nabble.com/Selected-messages-not-being-passed-between-brokers-td3058921.html
http://activemq.2283324.n4.nabble.com/SOLVED-Re-Selected-messages-not-being-passed-between-brokers-td3062303.html

It would be very helpful to engineering staff if the following exception were given a description
to help fix the cause:

2010-11-25 03:16:06,111 | ERROR | Failed to register subscription QueueSubscription: consumer=ID:zorin-38906-1288633023389-566:1:1:167,
destinations=0, dispatched=0, delivered=0, pending=0 | org.apache.activemq.broker.jmx.ManagedRegionBroker
| ActiveMQ Transport: ssl://my-host.net/a.b.c.d:61617
java.lang.ClassCastException: org.apache.activemq.broker.region.QueueSubscription cannot be
cast to org.apache.activemq.broker.region.DurableTopicSubscription
        at org.apache.activemq.broker.jmx.DurableSubscriptionView.<init>(DurableSubscriptionView.java:46)
        at org.apache.activemq.broker.jmx.ManagedRegionBroker.registerSubscription(ManagedRegionBroker.java:188)
        at org.apache.activemq.broker.jmx.ManagedQueueRegion.createSubscription(ManagedQueueRegion.java:45)
        at org.apache.activemq.broker.region.AbstractRegion.addConsumer(AbstractRegion.java:268)
        at org.apache.activemq.broker.region.RegionBroker.addConsumer(RegionBroker.java:443)
        at org.apache.activemq.broker.BrokerFilter.addConsumer(BrokerFilter.java:89)
        at org.apache.activemq.broker.BrokerFilter.addConsumer(BrokerFilter.java:89)
        at org.apache.activemq.advisory.AdvisoryBroker.addConsumer(AdvisoryBroker.java:91)
        at org.apache.activemq.broker.BrokerFilter.addConsumer(BrokerFilter.java:89)
        at org.apache.activemq.broker.BrokerFilter.addConsumer(BrokerFilter.java:89)
        at org.apache.activemq.broker.MutableBrokerFilter.addConsumer(MutableBrokerFilter.java:95)
        at org.apache.activemq.broker.TransportConnection.processAddConsumer(TransportConnection.java:548)
        at org.apache.activemq.command.ConsumerInfo.visit(ConsumerInfo.java:349)
        at org.apache.activemq.broker.TransportConnection.service(TransportConnection.java:309)
        at org.apache.activemq.broker.TransportConnection$1.onCommand(TransportConnection.java:185)
        at org.apache.activemq.transport.ResponseCorrelator.onCommand(ResponseCorrelator.java:116)
        at org.apache.activemq.transport.TransportFilter.onCommand(TransportFilter.java:69)
        at org.apache.activemq.transport.vm.VMTransport.dispatch(VMTransport.java:121)
        at org.apache.activemq.transport.vm.VMTransport.oneway(VMTransport.java:112)
        at org.apache.activemq.transport.MutexTransport.oneway(MutexTransport.java:40)
        at org.apache.activemq.transport.ResponseCorrelator.oneway(ResponseCorrelator.java:60)
        at org.apache.activemq.network.DemandForwardingBridgeSupport.addSubscription(DemandForwardingBridgeSupport.java:658)
        at org.apache.activemq.network.DemandForwardingBridgeSupport.addConsumerInfo(DemandForwardingBridgeSupport.java:1023)
        at org.apache.activemq.network.DemandForwardingBridgeSupport.serviceRemoteConsumerAdvisory(DemandForwardingBridgeSupport.java:593)
        at org.apache.activemq.network.DemandForwardingBridgeSupport.serviceRemoteCommand(DemandForwardingBridgeSupport.java:492)
        at org.apache.activemq.network.DemandForwardingBridgeSupport$2.onCommand(DemandForwardingBridgeSupport.java:173)
        at org.apache.activemq.transport.ResponseCorrelator.onCommand(ResponseCorrelator.java:116)
        at org.apache.activemq.transport.TransportFilter.onCommand(TransportFilter.java:69)
        at org.apache.activemq.transport.WireFormatNegotiator.onCommand(WireFormatNegotiator.java:113)
        at org.apache.activemq.transport.InactivityMonitor.onCommand(InactivityMonitor.java:228)
        at org.apache.activemq.transport.TransportSupport.doConsume(TransportSupport.java:83)
        at org.apache.activemq.transport.tcp.SslTransport.doConsume(SslTransport.java:91)
        at org.apache.activemq.transport.tcp.TcpTransport.doRun(TcpTransport.java:219)
        at org.apache.activemq.transport.tcp.TcpTransport.run(TcpTransport.java:201)
        at java.lang.Thread.run(Thread.java:619)

In this case I was attempting to subscribe to a queue while also giving connection and subscription
headers to make my client into a durable topic subscriber. Remove these extra headers and
the error above goes away.

If it is any help, messages are created on broker A (where the log above originates) and consumed
on broker B. Brokers A and B are SSL connected.


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