Trace & troubleshoot struts in WebSphere Commerce

Enable WebSphere application server tracing using the string below:

com.ibm.websphere.commerce.WC_SERVER=all:org.apache.struts.*=all

The output can viewed in trace.log which is under <WC_INSTALLATION_FOLDER>\wasprofile\logs\server1

For more information on how to interpret the trace, please check the following link:

http://www.ibm.com/developerworks/websphere/library/techarticles/0907_callaghan/0907_callaghan.html