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List:       activemq-dev
Subject:    [jira] Updated: (AMQ-1990) Failing network connectors randomly log
From:       "Justin Pitts (JIRA)" <jira () apache ! org>
Date:       2008-10-30 1:15:52
Message-ID: 765809535.1225329352615.JavaMail.jira () brutus
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     [ https://issues.apache.org/activemq/browse/AMQ-1990?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel \
]

Justin Pitts updated AMQ-1990:
------------------------------

    Attachment: CouldNotAcceptConnection.java

This application demonstrates the issue. Run the application, and observe the SEVERE \
level log message "Unable to accept connection"

> Failing network connectors randomly log SEVERE message : Could not accept \
>                 connection : java.lang.Object cannot be cast to \
>                 org.apache.activemq.command.Command
> -------------------------------------------------------------------------------------------------------------------------------------------------------------
>  
> Key: AMQ-1990
> URL: https://issues.apache.org/activemq/browse/AMQ-1990
> Project: ActiveMQ
> Issue Type: Bug
> Components: Broker
> Affects Versions: 5.1.0
> Environment: Linux, Windows XP, Mac OSX 10.5.1
> Reporter: Justin Pitts
> Attachments: CouldNotAcceptConnection.java
> 
> 
> I have an application which embeds the broker service. A common deployment scenario \
> is a sometimes-connected network of these applications. Unfortunately, I don't have \
> many situations where I can use discovery, so the network connectors are static \
> configurations. Randomly, when these network connections are unable to connect, I \
> see the following exception trace: 30 Sep 2008 18:36:18 ERROR [ActiveMQ Transport \
> Initiator: vm://instance-2#2] (TransportConnector.java:234) - Could not accept \
> connection : java.lang.Object cannot be cast to org.apache.activemq.command.Command \
> These errors seem like they might be the result of a race condition during start or \
> stop of a network connector. I will attach a sample application which demonstrates \
> the problem. You may have to run the application a couple times to provoke it.

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