WebLogic に詳しい人いません。

>>159

http://support.bea.com/support_news/product_troubleshooting/Deployment_Pattern.html

If you encounter OutOfMemoryException when you deploy / undeploy an application,
try setting in the start script the java option ?XX:MaxPermSize=128M or greater depending on the heap size you have.
For more information on this option, check http://java.sun.com/docs/hotspot/VMOptions.html.
(See CR127393 and CR132685 for information on OutOfMemory exception issues that are fixed in 8.1SP3)

パーマネントサイズの最大値を上げればと書いてありまする。