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Trace-route reply message format
Trace-route reply messages are standard WebSphere MQ messages containing a message descriptor and message data. The message data contains information about the activities performed on a trace-route message as it has been routed through a queue manager network. For information on trace-route messaging, see Trace-route messaging.
Trace-route reply messages contain the following:
- A message descriptor
- An MQMD structure
- Message data
- A PCF header (MQCFH) and trace-route reply message data
Trace-route reply message data consists of one or more Activity PCF groups.
When a trace-route message reaches its target queue, a trace-route reply message can be generated that contains a copy of the activity information from the trace-route message. The trace-route reply message will be delivered to a reply-to queue or to a system queue, see Controlling queue managers for trace-route messaging.
Table 19 shows the structure of a trace-route reply message, including parameters that are only returned under certain conditions.
Table 19. Trace-route reply message format Message descriptor
Message data
MQMD structure
PCF header
MQCFH structure
Trace-route reply message data
Structure identifier
Structure version
Report options
Message type
Expiration time
Feedback
Encoding
Coded character set ID
Message format
Priority
Persistence
Message identifier
Correlation identifier
Backout count
Reply-to queue
Reply-to queue manager
User identifier
Accounting token
Application identity data
Application type
Application name
Put date
Put time
Application origin data
Group identifier
Message sequence number
Offset
Message flags
Original length
PCF header (MQCFH)
Structure type
Structure length
Structure version
Command identifier
Message sequence number
Control options
Completion code
Reason code
Parameter count
Activity
Activity application name
Activity application type
Activity description
Operation
Operation type
Operation date
Operation time
Message
Message length
MQMD
EmbeddedMQMD
Queue manager name
Queue sharing group name
Queue name 1 2 3
Resolved queue name 1 3
Remote queue name 3
Remote queue manager-
name 2 3 4 5
Feedback 2
Channel name 4 5
Channel type 4 5
Transmission queue name 5
TraceRoute
Detail
Recorded activities
Unrecorded activities
Discontinuity count
Max activities
Accumulate
Deliver
Notes:
- Returned for Get and Browse operations.
- Returned for Discard operations.
- Returned for Put, Put Reply, and Put Report operations.
- Returned for Receive operations.
- Returned for Send operations.