Dealing with incorrect output on z/OS

Incorrect output can be missing, unexpected, or corrupted information. Read this topic to investigate further.

The term "incorrect output᾿ can be interpreted in many different ways, and its meaning for problem determination with this product documentation is explained in Have you obtained incorrect output?.

The following topics contains information about the problems that you could encounter with your system and classify as incorrect output:

• Application messages that do not arrive when we are expecting them
• Application messages that contain the wrong information, or information that has been corrupted

Additional problems that you might encounter if the application uses distributed queues are also described.

• Messages do not arrive when expected on z/OS
• Problems with missing messages when using distributed queuing on z/OS
• Problems with getting messages when using message grouping on z/OS
• Finding messages sent to a cluster queue on z/OS
• Finding messages sent to the IBM MQ - IMS bridge
• Messages contain unexpected or corrupted information on z/OS

• Messages do not arrive when expected on z/OS
  Missing messages can have different causes. Use this topic to investigate the causes further.
• Problems with missing messages when using distributed queuing on z/OS
  Use this topic to understand possible causes of missing messages when using distributed queuing on IBM MQ for z/OS.
• Problems with getting messages when using message grouping on z/OS
  Use this topic to understand some of the issues with getting messages when using message grouping on IBM MQ for z/OS.
• Finding messages sent to a cluster queue on z/OS
  Use this topic to understand some of the issues involved with finding messages sent to a cluster queue on IBM MQ for z/OS.
• Finding messages sent to the IBM MQ - IMS bridge
  Use this topic to understand possible causes for missing messages sent to the IBM MQ - IMS bridge.
• Messages contain unexpected or corrupted information on z/OS
  Use this topic to understand some of the issues that can cause unexpected or corrupted output on z/OS.

Parent topic: Problem determination on z/OS

Related concepts

• Dealing with performance problems on z/OS

Related tasks

• Making initial checks