2458 (099A) (RC2458): MQRC_READ_AHEAD_MSGS

Explanation

On an MQCLOSE call, the option MQCO_QUIESCE was used and there are still messages stored in client read ahead buffer that were sent to the client ahead of an application requesting them and have not yet been consumed by the application.

Completion code

MQCC_WARNING

Programmer response

Continue to consume messages using the queue handle until there are no more available and then issue the MQCLOSE again, or choose to discard these messages by issuing the MQCLOSE call with the MQCO_IMMEDIATE option instead.