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Solving problems

 

This chapter discusses the following topics:

• WebSphere MQ client fails to make a connection

• Stopping WebSphere MQ clients

• Error messages with WebSphere MQ clients

• Using trace on Windows

• Using trace on UNIX systems

An application running in the WebSphere MQ client environment receives MQRC_* reason codes in the same way as WebSphere MQ server applications. However, there are additional reason codes for error conditions associated with WebSphere MQ clients. For example:

• Remote machine not responding

• Communications line error

• Invalid machine address

The most common time for errors to occur is when an application issues an MQCONN or MQCONNX and receives the response MQRC_Q_MQR_NOT_AVAILABLE. Look in the client error log for a message explaining the failure. There might also be errors logged at the server, depending on the nature of the failure. Also, check that the application on the WebSphere MQ client is linked with the correct library file.

 

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