DSNL022I csect-name DDF THREAD 'luw-id' WAS PREVIOUSLY CANCELED

Explanation

A command to cancel the distributed data facility (DDF) thread luw-id was issued, but a command to cancel the same thread has already been issued.

csect-name
The name of the control section that issued the message.
luw-id
The logical unit of work ID.

Either the CANCEL DDF THREAD or the CANCEL THREAD command was entered.

System action

The thread is currently being canceled.

User response

No action is required.

Programmer response

The CANCEL command terminates a thread only if the thread is processing in Db2 or is currently suspended by Db2. The thread might not be processing in Db2 in these situations:

  • The thread is processing in the application and has not made a request to Db2. The DISPLAY THREAD command indicates this.
  • The user placed the thread on an MVS resource using the ENQUE command. The CANCEL command has no effect on the thread until ENQUE completes and the thread returns to Db2.
  • The thread is processing in VTAM® and is waiting for a response from a partner. The DISPLAY THREAD DETAIL command indicates this. In this case the thread does not terminate until VTAM returns to Db2. VTAM commands, which will terminate the session or LU, can be used to cause VTAM to return to Db2.