Appengine DevMode : access denied (“java.lang.RuntimePermission” “accessClassInPackage.sun.security.util”)

Question

I upgraded my PC to Ubuntu 12.04 and restored the backup of my workspace and Eclipse afterwards. Now when I try to start my AppEngine/GWT application I run into a problem wi

Answer 1

After trying different Appengine SDK versions, switching between openJDK 6 & 7 and I finally removed openJDK all along and download Oracle JDK 6, setup JAVA_HOME and PATH.

Oracle JDK works !

So it is a Ubuntu 12.04 / OpenJDK issue.