XI inbound queues status "RETRY" in a new XI Production system

Question

Hi
All the queues (XBT00* AND XBT02*) in XI Production system are not moving. Status is "Retry" all the time. The system is idle. Do you know what is happening here?
I also see the following error in the queue:
Command to tRFC/qRFC: Execute LUW again
Also, lot of errors (below) in the system log (SM21):
XIRWBUSER - Communication Error CPIC return code 027
XIAPPLUSER - Perform rollback
Any ideas?
Regards
Chandu

Answer 1

Hi,
When any message is sent from any other system to XI, the Inbound queue in XI is processed in the following way,
1) AI_RUNTIME_JCOSERVER connects to the Java stack to execute the registered program AI_RUNTIME_<SID>.
2) When this connection is fine, then the queue is processed without any issues.
Now incase of Production system, which most likely to be a cluster system will fail because you'll find that AI_RUNTIME_JCOSERVER connection test fails, when you turn off one node. The reason being in visual administrator the JCo RFC Provider for the server nodes have not been maintained.
Solution:
Login to visual administrator, select the service JCo RFC Provider for both the nodes and set the value accordingly.
Ex:
SAP Cluster Virtual Name: XICLSTPROD
Hostname1: XIPROD1
Hostname2: XIPROD2
SID: XIP
CLIENT: 100
Instance No: 02
Values for Node1:
Program Id: AI_RUNTIME_XIP
Gateway host: XIPROD1
Gateway service: sapgw02
Server count: 20
Application Server host: XICLSTPROD
System number: 02
Client: 100
Language: EN
User: PI_JCO_RFC
Password: ***********
Values for Node2:
Program Id: AI_RUNTIME_XIP
Gateway host: XIPROD2
Gateway service: sapgw02
Server count: 20
Application Server host: XICLSTPROD
System number: 02
Client: 100
Language: EN
User: PI_JCO_RFC
Password: ***********
Change in the similar way for the other Programs registered.
This should resovle the RETRY issue in Inbound queue.
Hope this piece of information really helps.
Regards,
Kamesh