Oracle WebLogic Server: Clean cache

Follow the steps:

Stop WebLogic server (if in running mode)

Go to location, for WebLogic 9.x and higher versions:
C:\bea\user_projects\domains\yourdomain\servers\yourserver\tmp

Issue command to clear the cache:
rd C:\bea\user_projects\domains\yourdomain\servers\yourserver\tmp \s
or
simply you could delete the ‘tmp’ folder

Start WebLogic Server

Source [wlatricksntips]