Ibm mq "Failed to connect to queue manager"

Question

need your help.

Given:

2 identical environments and configs, spring boot app and jms mq as queue manager;
After a few differencies in code caught :

Blockquote JMSWMQ0018: Failed to connect to queue manager

JMSCMQ0001: WebSphere MQ call failed with compcode '2' ('MQCC_FAILED') reason '2397' ('MQRC_JSSE_ERROR').

Stack includes: Caused by: com.ibm.mq.jmqi.JmqiException: CC=2;RC=2397;AMQ9641: Remote CipherSpec error for channel '

Ibm docs suggests some reasons:

Cipher spec mismatch6
No cipher enabled on client\manager.

In a local env I'm able to set ssl-cipher-spec and see its value through actuator. But building engineers accuse code in some bugs. I can't see major differences which could affect it, but if you were in my shoes , what would you advice?

Which version of IBM MQ jar files are you using? Which version of Java are using? Is it Oracle java? Are all these the same for both environments? — JoshMc
– JoshMc, Commented Mar 26, 2021 at 14:42

Talijanac · Accepted Answer · 2021-03-26 14:21:14Z

1

You have mismatch between value CiphaerSpec value set on mq channel, and a CipherSuite value set within java application. The actual string value also depends on version of JAVA. See table 1 for CipherSpec - CipherSuite mapping.

Also be aware that in modern MQ versions some combinations are deprecated

answered Mar 26, 2021 at 14:21

Talijanac

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