My Oracle Support Banner

Tuxedo 11gR1PS1 (11.1.1.2.0): 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 SEPTEMBER 08, 2023

Applies to:

Oracle Tuxedo - Version 11.1.1.2.0 and later
Information in this document applies to any platform.

Goal

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:

Solution

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document
Goal
Solution
References


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.