Tuxedo 11gR1PS1 (22.214.171.124.0): tpbeing() May Receive An XAER_PROTO Error After Abend In CICS Call Through Tuxedo Mainframe Adapter (TMA) For SNA.
(Doc ID 1589323.1)
Last updated on MAY 10, 2021
Applies to:Oracle Tuxedo - Version 126.96.36.199.0 and later
Information in this document applies to any platform.
From times to times a DB2 transaction generated a "TPEPROTO" error after a "TMA" autotran service (DPL program) call failed with a TPESVCFAIL.
This mis-behavior would be link to IBM DB2's interpretation of the XA standard which implies an XAER_PROTO on xa_rollback() because DB2 has interpreted the XA standard to say that rollback is not allowed if a participant is currently registered (checked by ax_reg()) with a suspended association.
Here after an Ulog sample with ax_reg returns -1:
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