Publishing Engine Programmer's Guide > The Arbortext Publishing Engine Sub-Process > Arbortext Publishing Engine Document Conversion > Troubleshooting Conversion Processing > Tracing Conversion Progress
  
Tracing Conversion Progress
You can trace every conversion operation by placing the following ACL script in a file in your custom\init directory:
require e3;
$e3::g_debug=2
The trace output is written to the Arbortext Diagnostics window on Windows. You can launch it from the shortcut called Arbortext Publishing Engine Diagnostics in your PTC program group.
Trace output will be logged to standard output in the file TOMCAT_HOME\logs\catalina.out, where TOMCAT_HOME is the absolute path to the directory where you installed the Apache Tomcat servlet container.