Eclipse debugger always blocks on ThreadPoolExecutor without any obvious exception, why?

Question

I\'m working on my usual projects on Eclipse, it\'s a J2EE application, made with Spring, Hibernate and so on. I\'m using Tomcat 7 for this (no particular reason, I don\'t e

Answer 1

This behavior is triggered by tomcat when a webapp is reloaded. It's part of tomcat "memory leak protection" feature that (among other things) forces the renewal of its threads.

This is now fixed from versions 7.0.54 and 8.0.6 of tomcat : https://issues.apache.org/bugzilla/show_bug.cgi?id=56492