unhandled event loop exception

[jyothi.a_jyothisree.yahoo.co.in]

when i am executing an application in eclipse using seam framework i am getting a dialogue box saying unhandled event loop exception

Reason:permGen space

why i am getting this problem? Can anyone help me out with this problem?Thank in advance

[joblini]

Configure this in the server launch configuration, under VM arguments. We suggest the following values:

-Xms512m -Xmx1024m -XX:PermSize=256m -XX:MaxPermSize=512