To re-package a file in Workspace Web Application:
Archive the files in <temp directory>/war into into <temp directory>/workspace.war.
Archive the <temp directory>/workspace.war into <EPM_ORACLE_HOME>/products/Foundation/workspace/InstallableApps/workspace.ear.
Remove the contents of the weblogic temp directory MIDDLEWARE_HOME/user_projects/domains/domainName/servers/FoundationServices/tmp/.
Remove the contents of the weblogic temp directory /Documents and Settings/<machine user name>/Local Settings/Temp/<machine user name>/servers/FoundationServices/tmp/.
Start the Service for Hyperion Foundation Services - Managed Server.