Stopping an MQ queue manager using immediate shutdown severs any connections that the MQ bridge has to the MQ queue manager (this applies to connections formed using the MQSeries® Classes for Java™ in either the bindings or client mode). The MQ system shuts down as normal.
This causes all the MQ bridge transmission queue listeners to stop immediately, each one warning that it has shut down due to the MQ queue manager stop.
When an MQ bridge queue has no connection, the next operation on that queue causes a new connection to be obtained. If the MQ queue manager is not available, the operation on the queue fails synchronously. If the MQ queue manager has been restarted after the shutdown, and a queue operation, such as putMessage, acts on the bridge queue, then a new connection to the active MQ queue manager is established, and the operation executes as expected.