IBM Webshpere MQ Client User Issue (MCAUSER)

IBM MQ JMS Client去连接远端MQ Server的时候，需要提供User和Password吗？
答案是根据情况而定，取决于所定义的Channel里面的属性Message channel agent user identifier (MCAUSER)的设置。

http://*.com/questions/20209429/how-mca-user-id-authorizes-a-client-user-id-using-mq-server-connection-channels

http://*.com/questions/24380439/websphere-mq-mca-user-id

http://www-01.ibm.com/support/knowledgecenter/SSFKSJ_8.0.0/com.ibm.mq.ref.con.doc/q082010_.htm