Dear Hany,
My advice is to make sure that the settings for queue manager, ip address, port is correctly setted on your application server and from mq side try to make sure that you create a server connection channel to be used by JMS.
Also try to run the underlying command to create all needed channels and queues for JMS by doing the following:
1- Go to this path C:\Program Files\IBM\WebSphere MQ\Java\bin.
2- execute this command: runmqsc queue_manager_name > MQJMS_PSQ.mqsc
best regards
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