Failing network connectors randomly log SEVERE message : Could not accept
connection : java.lang.Object cannot be cast to
org.apache.activemq.command.Command
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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
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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