Daniel Julin is also co-author of another developerWorks article looking at WebSphere Application Server trace. The article describes what trace is, how to turn it on (including the appropriate wsadmin incantations) and how to interpret it. Note that, as the article demonstrates, trace can be very useful in diagnosing some issues, it is really intended for use by IBM service personnel who also have access to the corresponding source code, so don’t expect the trace messages always to be self explanatory. The article also has a plug for Trace Analyzer for WebSphere Application Server, a great tool for viewing and analyzing trace logs (and large ones at that) written by two of my one-time colleagues in the transactions team.
[…] at this problem also reminded me how a good a tool I’ve blogged about before is: the Trace Analyzer for WebSphere Application Server. Whilst the 300MB trace file I was sent […]