JBoss 6.0.0 java.lang.ClassCastException: javax.naming.Reference cannot be cast to

Error: JBoss 6.0.0 java.lang.ClassCastException: javax.naming.Reference cannot be cast to com.xxx.xx.xxx.java

I am using maven3 to remotely run the JUnit based regression test on JBoss 6.0.0. While running a regression test for a Stateless Entity Persistence Bean on JBoss 6.0.0, I encountered the following error:

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java.lang.ClassCastException: javax.naming.Reference cannot be cast to com.pfmclient.glt.GLT
    at com.pfmclient.helper.EJBSupport.getGLT(EJBSupport.java:327)

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Initially I thought that it means I don't have the ObjectFactory class on my client ClassPath. Thus throwing this error. However, I did have the Object Factory on my client classpath. I had spent hours then I found a solution that fixed the problem.

Fix:

Basically, I needed to include jbossall-client jar in the pom.xml as maven dependency for my project. However, the easiest and correct way to do this in JBoss 6.0.0 is to add the correct maven co-ordidnates for jboss-as-client pom. Add the following dependency to your pom.xml

<dependency>
        <groupId>org.jboss.jbossas</groupId>
        <artifactId>jboss-as-client</artifactId>
        <version>6.0.0.Final</version>
        <type>pom</type>
</dependency>

Please remember this is a fix for you if you use Maven 3 and JBoss 6.0.0

The above Maven artifact dependency will include all the necessary JBoss specific classes and even Java EE API classes required for JBoss 6.0.0.

Reference: 

Maven artifact id for JBoss AS6 client jar