Apache Tomcat is a primary component of SUSE Manager. It performs the following functions in the stack.
Contains servlet (Java) applications
The most important servlet is the RHN servlet:
Handles the majority of the Web UI
Public XMLRPC API
Logs for Apache Tomcat are located in:
/var/log/rhn/rhn_web_ui.log /var/log/rhn/rhn_web_api.log /var/log/tomcat/catalina.out /var/log/tomcat/catalina.*.log