JSP debugging in IntelliJ IDEA

Question

Does anyone know how to debug JSP in IntelliJ IDEA?

When I set breakpoint in my JSP files, those breakpoints never seem to

Answer 1

Please make sure, that in you tomcat's conf/web.xml suppressSmap is not enabled as support of JSR45 is required by IntelliJ's debugger.

It should look like this:

  suppressSmap
  false

From https://tomcat.apache.org/tomcat-7.0-doc/jasper-howto.html

suppressSmap - Should the generation of SMAP info for JSR45 debugging be suppressed? true or false, default false.