Debug tomcat web apps using intellij (IntelliJ attach to process)

1>Go to Run>Edit Configurations

Create a configuration under remote

In "Search sources using Module's classpath", select the project that you want to debug

(In your catalina.bat you will have something like this set JPDA_ADDRESS=localhost:8000)

2>Start tomcat server using the command (the switch jpda is what enables debugging)

catalina.bat jpda  start

You can also use the below command, if you want to make a copy of tomcat console into a file
catalina.bat   jpda   run > catalina.out 

3>Click the bug symbol on the upper right corner of intelliJ

4> If everything goes well, you should this in your console.