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Date: Wed, 2 Mar 2011 12:36:36 +0000 (UTC)
From: "Dejan Bosanac (JIRA)" <jira@apache.org>
To: dev@activemq.apache.org
Message-ID: 
 <1696046575.7776.1299069396967.JavaMail.tomcat@hel.zones.apache.org>
Subject: [jira] Resolved: (AMQ-2981) Connecting to broker using discovery
 protocol fails
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     [ https://issues.apache.org/jira/browse/AMQ-2981?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dejan Bosanac resolved AMQ-2981.
--------------------------------

       Resolution: Fixed
    Fix Version/s: 5.5.0

Fixed with svn revision 1076192

> Connecting to broker using discovery protocol fails
> ---------------------------------------------------
>
>                 Key: AMQ-2981
>                 URL: https://issues.apache.org/jira/browse/AMQ-2981
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Transport
>    Affects Versions: 5.4.0, 5.4.1
>         Environment: embedded activemq in tomcat
> spring jms for connection pooling and connections
>            Reporter: R Pankajakshan
>            Assignee: Dejan Bosanac
>             Fix For: 5.5.0
>
>
> steps to reproduce
> 1. have a broker running on a port say '12345' and group say 'test' using activemq-core version 5.4.0 or 5.4.1
> 2.  use url 
> discovery:(multicast://default?group=test)?reconnectDelay=1000&maxReconnectAttempts=30&useExponentialBackOff=false 
> to connect to the broker
> 3. the following exception occurs
> Caused by: javax.jms.JMSException: Invalid connect parameters: {reconnectDelay=1000, maxReconnectAttempts=30, useExponentialBackOff=false}
> 	at org.apache.activemq.util.JMSExceptionSupport.create(JMSExceptionSupport.java:62)
> 	at org.apache.activemq.ActiveMQConnection.syncSendPacket(ActiveMQConnection.java:1298)
> 	at org.apache.activemq.ActiveMQConnection.ensureConnectionInfoSent(ActiveMQConnection.java:1382)
> 	at org.apache.activemq.ActiveMQConnection.createSession(ActiveMQConnection.java:309)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at org.springframework.jms.connection.SingleConnectionFactory$SharedConnectionInvocationHandler.invoke(SingleConnectionFactory.java:550)
> 	at $Proxy34.createSession(Unknown Source)
> 	at org.springframework.jms.support.JmsAccessor.createSession(JmsAccessor.java:196)
> 	at org.springframework.jms.core.JmsTemplate.execute(JmsTemplate.java:457)
> 	... 38 more
> Caused by: java.io.IOException: Invalid connect parameters: {reconnectDelay=1000, maxReconnectAttempts=30, useExponentialBackOff=false}
> 	at org.apache.activemq.util.IOExceptionSupport.create(IOExceptionSupport.java:45)
> 	at org.apache.activemq.transport.failover.FailoverTransport.oneway(FailoverTransport.java:594)
> 	at org.apache.activemq.transport.TransportFilter.oneway(TransportFilter.java:85)
> 	at org.apache.activemq.transport.MutexTransport.oneway(MutexTransport.java:40)
> 	at org.apache.activemq.transport.ResponseCorrelator.asyncRequest(ResponseCorrelator.java:81)
> 	at org.apache.activemq.transport.ResponseCorrelator.request(ResponseCorrelator.java:86)
> 	at org.apache.activemq.ActiveMQConnection.syncSendPacket(ActiveMQConnection.java:1276)
> 	... 48 more
> Caused by: java.lang.IllegalArgumentException: Invalid connect parameters: {reconnectDelay=1000, maxReconnectAttempts=30, useExponentialBackOff=false}
> 	at org.apache.activemq.transport.TransportFactory.doCompositeConnect(TransportFactory.java:159)
> 	at org.apache.activemq.transport.TransportFactory.compositeConnect(TransportFactory.java:93)
> 	at org.apache.activemq.transport.failover.FailoverTransport.doReconnect(FailoverTransport.java:844)
> 	at org.apache.activemq.transport.failover.FailoverTransport$2.iterate(FailoverTransport.java:135)
> 	at org.apache.activemq.thread.PooledTaskRunner.runTask(PooledTaskRunner.java:122)
> 	at org.apache.activemq.thread.PooledTaskRunner$1.run(PooledTaskRunner.java:43)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> 	at java.lang.Thread.run(Thread.java:619)
> 4. downgrading to amq 5.3.2 solves the problem
> NOTE: a new functionality has been added to 5.4.0 
> ref : http://activemq.apache.org/discovery-transport-reference.html
> Applying parameters to discovered transports
> From 5.4, transport parameters in the URI will also be applied to discovered transports. Therefore, transport parameters may also include parameters for the discovered transport. For example, adding the connectionTimeout parameter to the URI will apply the parameter to every discovered TCP transport, even though this parameter is not a Discovery transport option.
> I think the above change has caused the problem

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