Two applications having classes with the same name but total

[dorr]

hi
i've got problem - two applications are standing on one jboss installation, lets say A and B. unfortunatelly both has EJB called User with local interface UserLocal. this classes are totally different.

when deploying: if A starts first, then B, when session bean from A and B calls for UserLocal referenced bean, gets bean from B. when B starts first and then A, both applications gets User bean from A.

problem occurs when using local reference UserLocal in session bean:
UserLocalHome ulh = (UserLocalHome)context.lookup("java:comp/env/UserLocal");
and application gets class cast exception

how to resolve this problem? maybe attached code is wrong?

[jaikiran]

You will have to use <loader-repository> in each of your .ear files. Doing this will enable specifying different classloaders for each ear. Have a look at the following link:

http://wiki.jboss.org/wiki/Wiki.jsp?page=ClassLoadingConfiguration

[jaikiran]

An example would be:

In jboss-app.xml of your proj1.ear you would have the following:

<jboss-app>
 <loader-repository>
 tap:loader=proj1.ear
 <loader-repository-config>
 java2ParentDelegation=false
 </loader-repository-config>
 </loader-repository>
</jboss-app>

In jboss-app.xml of proj2.ear, you would have:

<jboss-app>
 <loader-repository>
 tap:loader=proj2.ear
 <loader-repository-config>
 java2ParentDelegation=false
 </loader-repository-config>
 </loader-repository>
</jboss-app>

[dorr]

thank you for advice. i followed your suggestions but it didn't helped :(
i created jboss-app.xml for both applications (and put them to bin/ejb/META-INF of projects). i also created jboss-web.xml files as is shown in http://wiki.jboss.org/wiki/Wiki.jsp?page=ClassLoadingConfiguration.
i tried using Isolation and Isolation with Overriding and still i gets class cast exception when using the application deployed earlier :(
i tried to create jboss.xml but i have problem. in ejb-jar.xml i have session bean UserManagement declared with ejb-ref as follows:
<ejb-local-ref>
<ejb-ref-name>UserLocal</ejb-ref-name>
<ejb-ref-type>Entity</ejb-ref-type>
....
and when i in jboss.xml define:

<ejb-name>UserManagement</ejb-name>
<ejb-ref>
<ejb-ref-name>UserLocal</ejb-ref-name>
<jndi-name>jnp://localhost:1099/User</jndi-name>
</ejb-ref>
i gets from jboss the following error:
org.jboss.deployment.DeploymentException: Error in jboss.xml for Bean UserManagement: ejb-ref User found in jboss.xml but not in ejb-jar.xml
what i am doing wrong?