"Failed to connect to queue manager" error comes in WebSphere MQ if any Client like a Java program is not able to connect to the MQ server due to any reason. The reason is actually identified by reason code in error message e.g. code 2397 comes when SSL is enabled between client and server and Java client is not able to connect to the server due to unknown or expired SSL certificates. If you are working in a Java application that is using WebSphere MQ for messaging over SSL then you are bound to face some setup, certificate, and keystore vs truststore related error.
Wednesday, March 19, 2025
Monday, August 2, 2021
Top 10 MQ Series Interview Questions Answers - WebSphere and Active MQ
MQ Series Interview Questions and Answers are collections of some of the questions asked on various MQ implementations e.g. IBM WebSphere MQ, Active MQ or Sonic MQ from different core Java and Enterprise Java (JEE) interviews. Most of these questions are from WebSphere MQ as it's the one that is most popular in large organizations, especially in the finance domain. By the way messaging is a key aspect of any enterprise application and you will always see some form of messaging between different systems in an organization. For example, In the finance world, most of the middle office to back office communication happens over messaging middle-ware like TIBCO or MQ Series.
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