Disconnecting network cable issue

We are currently using 3.5 and when the remote machine's cable (the machine that is not running the JMS Server) is diconnected the application receives the error message, but if the machine that holds the JMS server is disconnected, the remote machine's application is never notified?
Why is this and is there a work-around for this issue?

This behavior is related to the underneath TCP implementation. An application may not be notified (if there were no activities for the connection) when one end of the TCP connection went away.
To work around this in 3.5, a consumer only application may create a topic publisher and publish a small message to a TemporaryTopic periodically (like every 30 secones). The publisher thread would receive a JMSException at some point when the condition as you described happens.
In 3.6, MQ added a new feature (client runtime ping) that would automatically detect this and calls the Connection ExceptionListener if this should happen.

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