Avoid Permgen Space error when running Tomcat from Eclipse

Question

What is the best way to avoid permgen space error when running Tomcat from Eclipse 3.6? Is this done by adding the following line:

Answer 1

No. Tomcat runs in a separate JVM from eclipse. Add this option in the VM arguments of the launch configuration :

• double-click on the Tomcat server in the Servers view
• click on the link "Open launch configuration"
• switch to the Arguments tab
• add -XX:MaxPermSize=512m in the VM arguments text area