Table 1 describes the known issues for Oracle Tuxedo and provides recommended workarounds.
Table 1 Known Issues After changing a service name and reloading the corresponding module, a service call fails with the error TPESVCFAIL - application-level service failure. If an exception is thrown to a Java server from a user java application in Tuxedo Java Server, the detailed error message could not be logged in ULOG by Java Server. Only ERROR: Caught exception [null] is logged. Catch all exceptions in your Java classes and invoke userlog(<MyEx>.toString()) to log the detailed error messages.