what to do with tomcat PermGen space

Question

BACKGROUND: I have a web Project which uses JSP. The IDE is Eclipse. The configuration of tomcat is: Automatically publish when resources change and publish

Answer 1

Just to add for Windows, if someone is still stuck:--

1. Open catalina.bat file (located at Apache tomcat installation folder/bin)

2. Set JAVA_OPTS as follows in the very start(before actually its first use anywhere in the file):--

   set JAVA_OPTS=-Dfile.encoding=UTF-8 -Xms128m -Xmx1024m -XX:PermSize=64m -XX:MaxPermSize=256m

3. Restart Tomcat and its done.

You can find nice explanation here