Enabling JMS tracing for the Liberty embedded messaging

Setting JMS traces

The following trace strings can be set in the server.xml file to obtain the required information.

Connection problems

Use the following trace string to gather information about connection issues.

SIBTrm=all
    

Communications and TCP/IP

Use the following trace string to gather information about the application server channel framework and TCP/IP network communications.

SIBCommunications=all:SIBJFapChannel=all:TCPChannel=fine:com.ibm.io.async.*=all
    

JMS client applications

Use the following trace string to gather information about requests from JMS applications.

SIBJms*=all:SIBCommunications=all:SIBJFapChannel=all:        
SIBMessageTrace=all:SIBTrm=all:SIBJmsRa=all:SIBRa=all       
    

Locked messages

Use the following trace string if messages that are being delivered to MDBs and applications are locked for longer than you expect.

SIBProcessor=all:SIBMessageTrace=all
    

Message-driven beans

Use the following trace string to gather information about MDBs that are configured by using an Activation Specification against a message destination.

SIBMessageTrace=all:SIBJmsRa=all:SIBRa=all
    

Message format and schema

Use the following trace string if there is a problem in parsing or handling message data.

SIBMfp=all:SIBCommunications=all
    

Message processor

Use the following trace string to gather information about the core functions of the messaging engine. Gathering this data is helpful, but might be potentially large.

SIBProcessor=all:SIBMessageTrace=all
    

Message store

Use the following trace string to gather information about persistent message data, which is written out to storage so that it can be recovered if there is a failure.

SIBMessageStore=all
    

Performance and message tracking

Use the following trace string to determine the delay in passing of messages or if you need to find where the messages are going.

SIBMessageTrace=all 

Publish/subscribe

Use the following trace string if subscribers are not getting the proper publications for their topic.

SIBMatchSpace=all:SIBProcessor=all
    

Security

Use the following trace string if a user is authenticated incorrectly or is incorrectly allowed or disallowed access to resources.

SIBSecurity=all