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Messages in APC Processing

Messages sent during APC processing (namely when a Web socket query or TCP query is handled by an APC handler) behave as follows:

  • Messages of types "I", "S", and "W" are ignored.
  • Messages of types "A", "E", and "X" cause the APC session to terminate. In the case of stateful APC servers, the connection is closed. The methods ON_CLOSE and ON_ERROR can no longer be executed.

Programs or procedures called in the handler are executed in the handler context and their messages behave accordingly.

Other versions: 7.31 | 7.40 | 7.54