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From Dejan Bosanac <dejan.bosa...@ttmsolutions.com>
Subject Re: ActiveMQ 5.1 + 5.2: sending "list" to ActiveMQ.Agent topic causes stacktrace
Date Fri, 25 Jul 2008 13:37:42 GMT
Hi,

you should enable JMX and instruct broker to create a connector in order 
to make this work.

<broker useJmx="true">

        <managementContext>
            <managementContext createConnector="true"/>
        </managementContext>


</broker>

Regards

-- 
Dejan Bosanac


http://www.ttmsolutions.com
http://www.scriptinginjava.net



mjustin wrote:
> After uncommenting the commandAgent entry in activemq.xml
>
>     <commandAgent xmlns="http://activemq.apache.org/schema/core"
> brokerUrl="vm://localhost"/>
>
> sending a 'list' message to the ActiveMQ results in this message:
>
> ERROR CommandMessageListener         - Failed to process message due to:
> java.la
> ng.Exception: java.io.IOException: Failed to retrieve RMIServer stub:
> javax.nami
> ng.ServiceUnavailableException [Root exception is java.rmi.ConnectException:
> Con
> nection refused to host: localhost; nested exception is:
>         java.net.ConnectException: Connection refused: connect]. Message:
> Active
> MQTextMessage {commandId = 6, responseRequired = false, messageId =
> ID:michael-1
> 526-1216989903562-2:2:1:1:2, originalDestination = null,
> originalTransactionId =
>  null, producerId = ID:michael-1526-1216989903562-2:2:1:1, destination =
> topic:/
> /ActiveMQ.Agent, transactionId = null, expiration = 0, timestamp =
> 1216989994343
> , arrival = 0, brokerInTime = 1216989994343, brokerOutTime = 1216989994343,
> corr
> elationId = , replyTo = queue://q, persistent = false, type = , priority =
> 0, gr
> oupID = null, groupSequence = 0, targetConsumerId = null, compressed =
> false, us
> erID = null, content = null, marshalledProperties = null, dataStructure =
> null,
> redeliveryCounter = 0, size = 1024, properties = null, readOnlyProperties =
> true
> , readOnlyBody = true, droppable = false, text = list}
> java.lang.Exception: java.io.IOException: Failed to retrieve RMIServer stub:
> jav
> ax.naming.ServiceUnavailableException [Root exception is
> java.rmi.ConnectExcepti
> on: Connection refused to host: localhost; nested exception is:
>         java.net.ConnectException: Connection refused: connect]
>         at
> org.apache.activemq.console.command.ListCommand.runTask(ListCommand.j
> ava:50)
>         at
> org.apache.activemq.console.command.AbstractCommand.execute(AbstractC
> ommand.java:57)
>         at
> org.apache.activemq.console.command.ShellCommand.runTask(ShellCommand
> .java:129)
>         at
> org.apache.activemq.console.command.AbstractCommand.execute(AbstractC
> ommand.java:57)
>         at
> org.apache.activemq.console.ConsoleCommandHandler.processCommand(Cons
> oleCommandHandler.java:50)
>         at
> org.apache.activemq.broker.util.CommandMessageListener.processCommand
> (CommandMessageListener.java:83)
>         at
> org.apache.activemq.broker.util.CommandMessageListener.onMessage(Comm
> andMessageListener.java:60)
>         at
> org.apache.activemq.ActiveMQMessageConsumer.dispatch(ActiveMQMessageC
> onsumer.java:967)
>         at
> org.apache.activemq.ActiveMQSessionExecutor.dispatch(ActiveMQSessionE
> xecutor.java:122)
>         at
> org.apache.activemq.ActiveMQSessionExecutor.iterate(ActiveMQSessionEx
> ecutor.java:192)
>         at
> org.apache.activemq.thread.DedicatedTaskRunner.runTask(DedicatedTaskR
> unner.java:98)
>         at
> org.apache.activemq.thread.DedicatedTaskRunner$1.run(DedicatedTaskRun
> ner.java:36)
> Caused by: java.io.IOException: Failed to retrieve RMIServer stub:
> javax.naming.
> ServiceUnavailableException [Root exception is java.rmi.ConnectException:
> Connec
> tion refused to host: localhost; nested exception is:
>         java.net.ConnectException: Connection refused: connect]
>         at
> javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:32
> 3)
>         at
> javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFacto
> ry.java:248)
>         at
> javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFacto
> ry.java:207)
>         at
> org.apache.activemq.console.filter.MBeansObjectNameQueryFilter.create
> JmxConnector(MBeansObjectNameQueryFilter.java:162)
>         at
> org.apache.activemq.console.filter.MBeansObjectNameQueryFilter.queryM
> Beans(MBeansObjectNameQueryFilter.java:114)
>         at
> org.apache.activemq.console.filter.MBeansObjectNameQueryFilter.query(
> MBeansObjectNameQueryFilter.java:101)
>         at
> org.apache.activemq.console.filter.AbstractQueryFilter.query(Abstract
> QueryFilter.java:43)
>         at
> org.apache.activemq.console.util.JmxMBeansUtil.getAllBrokers(JmxMBean
> sUtil.java:44)
>         at
> org.apache.activemq.console.command.ListCommand.runTask(ListCommand.j
> ava:47)
>         ... 11 more
> Caused by: javax.naming.ServiceUnavailableException [Root exception is
> java.rmi.
> ConnectException: Connection refused to host: localhost; nested exception
> is:
>         java.net.ConnectException: Connection refused: connect]
>         at
> com.sun.jndi.rmi.registry.RegistryContext.lookup(RegistryContext.java
> :101)
>         at
> com.sun.jndi.toolkit.url.GenericURLContext.lookup(GenericURLContext.j
> ava:185)
>         at javax.naming.InitialContext.lookup(InitialContext.java:392)
>         at
> javax.management.remote.rmi.RMIConnector.findRMIServerJNDI(RMIConnect
> or.java:1871)
>         at
> javax.management.remote.rmi.RMIConnector.findRMIServer(RMIConnector.j
> ava:1841)
>         at
> javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:25
> 7)
>         ... 19 more
> Caused by: java.rmi.ConnectException: Connection refused to host: localhost;
> nes
> ted exception is:
>         java.net.ConnectException: Connection refused: connect
>         at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:601)
>         at
> sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:198
> )
>         at
> sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:184)
>         at sun.rmi.server.UnicastRef.newCall(UnicastRef.java:322)
>         at sun.rmi.registry.RegistryImpl_Stub.lookup(Unknown Source)
>         at
> com.sun.jndi.rmi.registry.RegistryContext.lookup(RegistryContext.java
> :97)
>         ... 24 more
> Caused by: java.net.ConnectException: Connection refused: connect
>         at java.net.PlainSocketImpl.socketConnect(Native Method)
>         at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
>         at
> java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
>         at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
>         at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
>         at java.net.Socket.connect(Socket.java:519)
>         at java.net.Socket.connect(Socket.java:469)
>         at java.net.Socket.<init>(Socket.java:366)
>         at java.net.Socket.<init>(Socket.java:180)
>         at
> sun.rmi.transport.proxy.RMIDirectSocketFactory.createSocket(RMIDirect
> SocketFactory.java:22)
>         at
> sun.rmi.transport.proxy.RMIMasterSocketFactory.createSocket(RMIMaster
> SocketFactory.java:128)
>         at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:595)
>         ... 29 more
>
> System is Windows 2000 with all service packs / patches, jdk1.6.0_04
>
> Transport connectors:
>
>         <transportConnectors>
>             <transportConnector name="openwire" uri="tcp://localhost:61616"
> discoveryUri="multicast://default"/>
>             <transportConnector name="ssl" uri="ssl://localhost:61617"/>
>             <transportConnector name="stomp" uri="stomp://localhost:61613"/>
>             <transportConnector name="xmpp" uri="xmpp://localhost:61222"/>
>         </transportConnectors>
>
> I have reported this problem in JIRA (AMQ-1737) already in May. I assumed
> that it was related to STOMP only but the new test shows that the problem is
> caused somewhere else.
>
> Steps to reproduce:
>
> * start admin console
> * navigate to Topics - ActiveMQ.Agent
> * send a message with content 'list' and 'Reply To'='MyReplyQueue'
> * check ActiveMQ log file
>
> Could somebody confirm, maybe it is just a configuration problem on my
> systems
>
> Best Regards
> Michael Justin
>
>
>
>
>   



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