Hello! In Netbeans I,ve created new EnterpriseApplication that consists of a webmodule
(sampleservlet) and EJB module(newMDBBean).i've compiled successfully.
the servlet is a PUBLISHER and MDB anyway consists of onMessage().

And in weblogic i've created a topic with name tTopic and JNDI name "jms/tTopic" and now gone to deployments..............

In deployment page of Weblogic

Clicked on editandlock of CHANGECENTER
INSTALL
c:\Documentsandsettings\user5\samplejms\build

now when i saved and activeted changes everything is ok but when i clicked on start requests of build

i got that error is in ejb-jar.xml file and the
corresponding attribute is

<message-destination-link>

now i changed this attributes value to the name of topic "tTopic" (not JNDI name)


then again i tried i got error is with the attribute <message-destination-name>

now i've changed the value to tTopic


again i tried to deploy.........

I'm getting the error as

" Unable to access the selected application.
invalid CEN header (bad signature) "


waht to do and where am i faulty...........

can anybody do the favor to me to resolve the issue...........

I myself have started with jms using websearched documents.I'm a starter

Thanks in advance