Error in deploying EJBs on OC4J

[Venkata_Nallam]

Hello,
        While I am deploying EJB in OC4J, following error has occured.
Entrmine is my application.mysessionbean.jar is my sessionbean.

 Web war files are working fine.

Any suggestion in this regard will be appreciated.

Error in application Entrmine: Error loading package at
file:/E:/OC4J/j2ee/home/applications/Entrmin
e/mysessionbean.jar, Unable to find/read assembly info for
E:\OC4J\j2ee\home\applications\Entrmine/m
ysessionbean.jar (META-INF/ejb-jar.xml)



Regards
kumar