MQException 2195

From EggeWiki

Caused by: com.ibm.mq.MQException: MQJE001: An MQException occurred: Completion Code 2, Reason 2195
MQJE018: Protocol error - unexpected segment type received
        at com.ibm.mq.MQManagedConnectionJ11.<init>(MQManagedConnectionJ11.java:268)
        at com.ibm.mq.MQClientManagedConnectionFactoryJ11._createManagedConnection(MQClientManagedConnectionFactoryJ11.java:318)
        at com.ibm.mq.MQClientManagedConnectionFactoryJ11.createManagedConnection(MQClientManagedConnectionFactoryJ11.java:338)
        at com.ibm.mq.StoredManagedConnection.<init>(StoredManagedConnection.java:84)
        at com.ibm.mq.MQSimpleConnectionManager.allocateConnection(MQSimpleConnectionManager.java:168)
        at com.ibm.mq.MQQueueManagerFactory.obtainBaseMQQueueManager(MQQueueManagerFactory.java:774)
        at com.ibm.mq.MQQueueManagerFactory.procure(MQQueueManagerFactory.java:690)
        at com.ibm.mq.MQQueueManagerFactory.constructQueueManager(MQQueueManagerFactory.java:646)
        at com.ibm.mq.MQQueueManagerFactory.createQueueManager(MQQueueManagerFactory.java:153)
        at com.ibm.mq.MQQueueManager.<init>(MQQueueManager.java:471)

This can be cause by mqipt not running on one end, or different versions of mqipt.