Using Gen Java Proxy for MQ.
In MQ it is observed that there are channels that are open and not used for many hours to send messages ('Last message time'). Their messages are from the Gen Proxies.
Gen Java Proxy for MQ
Modify the Gen Java User Exit MQSDynamicCoopFlowExit.java.
For the methods getClosePutQ and getCloseGetQ, change the default value from false to true.