Error message "process_transaction() failed, rc=-176, Message Code(LQ)" in swentobjsv01.log
Article ID: KB0079695
Updated On:
| Products | Versions |
|---|---|
| TIBCO iProcess Engine (Oracle) | 11.6.0 |
Description
The following error may appear in the iProcess Objects Server (SPO) process swentobjsv01.log:
07492|02514|01/07/2019 07:56:30.504|00000020|INFO |Rcvd msg: code(LQ) clntname(10.0.82.78:58585 - 10.0.81.36:5502) clnt(379702248) sock(6700) authed_user(swadmin) target_user(swadmin) 07492|02514|01/07/2019 07:56:30.520|00008000|ERROR|process_transaction() failed, rc=-176, Message Code(LQ) 07492|02514|01/07/2019 07:56:30.520|00000020|INFO |Processed msg: code(LQ) clntname(10.0.82.78:58585 - 10.0.81.36:5502) clnt(379702248) sock(6700) proctime(16) waittime(0)
and with enabling "Write request and response headers to the logfile" (which is a checkbox on the "Disk Logging" tab of SwEntObjSvCfg.exe on Windows or TraceMsg=1 in swentobjsv.cfg on UNIX) it is possible to see that the queue being referenced in the LQ message is $UNDELIV:
06820|005FC|01/08/2019 08:06:53.225|00000020|TRACE|RECV|10.0.82.78:7880 - 10.0.81.36:5502|Len(50)|MsgCode(LQ) 00000: 00 00 00 21 73 77 61 64 6d 69 6e 0a 73 77 61 64 |...!swadmin.swad| 00016: 6d 69 6e 0a 4c 51 0a 73 77 61 64 6d 69 6e 00 24 |min.LQ.swadmin.$| 00032: 55 4e 44 45 4c 49 56 40 73 77 70 72 6f 64 31 00 |UNDELIV@swprod1.| 00048: 52 00 |R.| 06820|005FC|01/08/2019 08:06:53.225|00000020|INFO |Rcvd msg: code(LQ) clntname(10.0.82.78:7880 - 10.0.81.36:5502) clnt(11455464) sock(3216) authed_user(swadmin) target_user(swadmin) 06820|005FC|01/08/2019 08:06:53.225|00008000|TRACE|SEND|10.0.82.78:7880 - 10.0.81.36:5502|Len(20)|MsgCode(LQ) 00000: 00 00 00 10 00 00 00 21 4f ff ff ff 50 00 00 00 |.......!O...P...| 00016: 14 4c 51 00 |.LQ.| 06820|005FC|01/08/2019 08:06:53.225|00008000|ERROR|process_transaction() failed, rc=-176, Message Code(LQ) This $UNDELIV queuename is the queue for undelivered workitems on the iProcess Engine (iPE) node.
Environment
All environments
Resolution
The problem that causes this error for the $UNDELIV or undelivered workitems queue is that the queue is a virtual one and only exists if there are workitems in it. If there are no undelivered workitems since the iProcess Engine was restarted then the queue does not exist and a request to list that queue will return "Queue not found".
Issue/Introduction
Problem causing error message "process_transaction() failed, rc=-176, Message Code(LQ)" to appear in the swentobjsv01.log
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