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Common programming errors

 

The errors in the following list illustrate the most common causes of problems encountered while running WebSphere MQ programs. Consider the possibility that the problem with your WebSphere MQ system could be caused by one or more of these errors:

• Assuming that queues can be shared, when they are in fact exclusive.

• Passing incorrect parameters in an MQI call.

• Passing insufficient parameters in an MQI call. This might mean that WebSphere MQ cannot set up completion and reason codes for your application to process.

• Failing to check return codes from MQI requests.

• Passing variables with incorrect lengths specified.

• Passing parameters in the wrong order.

• Failing to initialize MsgId and CorrelId correctly.

• Failing to initialize Encoding and CodedCharSetId following MQRC_TRUNCATED_MSG_ACCEPTED.

 

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Has the application run successfully before?

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