The Ear file has (RAR,EJB,WAR) , which deploys fine when isolation flag is set to false (C:\jboss-4.0.2\server\default\deploy\ear-deployer.xml).
When the Isolation flag is set to TRUE, Jboss throwing below error while deploying the EAR. This is happening when doing WAR deployment from the EAR file.
--- MBEANS THAT ARE THE ROOT CAUSE OF THE PROBLEM ---
ObjectName: jboss.j2ee:jndiName=demo/Persistance,service=EJB
State: FAILED
Reason: java.lang.NoClassDefFoundError: java/util/Collection
Kindly let me know how to fix this issue, Its very urgent as i need to deliver to a customer, I am trying to fix this issue from past few days, Your help is greatly appriciated :)