Without producer-flow-control, the memory limits have no meaning. That's how they take effect - by blocking producers.
So, without producer flow control, the symptoms described can happen normally as there is nothing to prevent the JVM from running out of memory. When a broker drops out-of-service from the network, how is its JVM state? Is it in GC purgatory? -- View this message in context: http://activemq.2283324.n4.nabble.com/Exceeding-MemoryUsage-causes-Network-Connector-connections-to-stop-tp4689349p4689416.html Sent from the ActiveMQ - User mailing list archive at Nabble.com.