From the tomcat/bin directory, start the tomcat exe or right click it to get to the properties. In the properties dialog, click the Java tab and BEFORE all of the -D options, add something like this: -Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=8998 Make sure they are first on the list and each in their own line. From then on, … Continue reading Start Tomcat as a Windows service in the debug mode