The other day a developer called me to say that the Fusion Middleware console was spinning.  A quick look at the the environment showed a java process consuming 100% of a cpu and in the AdminServer weblogic log there was the following error:

java.lang.OutOfMemoryError: PermGen space

To get the environment going again I had to kill the java process and restart the AdminServer.  I increased the amount of PermGen memory and so far it hasn’t happened again.

To change the PermGen memory login to the WebLogic