J2EE RI relies on Sun's J2SE for CORBA support

I get this exception when i try to start the RI server.

Can anyone help me vth a workaround?

Exception in thread "main" java.lang.NoClassDefFoundError: com/sun/corba/se/inte
rnal/util/IdentityHashtable
        at com.sun.corba.ee.internal.javax.rmi.CORBA.Util.<clinit>(Util.java:87)
 
        at com.sun.corba.ee.internal.POA.POAImpl.activate(POAImpl.java:935)
        at com.sun.corba.ee.internal.POA.POAImpl.activate_object(POAImpl.java:89
5)
        at com.sun.corba.ee.internal.CosNaming.TransientNameService.initialize(T
ransientNameService.java:117)
        at com.sun.corba.ee.internal.CosNaming.TransientNameService.<init>(Trans
ientNameService.java:70)
        at com.sun.enterprise.iiop.POAProtocolMgr.initializeNaming(POAProtocolMg
r.java:103)
        at com.sun.enterprise.server.J2EEServer.run(J2EEServer.java:226)
        at com.sun.enterprise.server.J2EEServer.main(J2EEServer.java:972)
Caused by: java.lang.ClassNotFoundException: com.sun.corba.se.internal.util.Iden
tityHashtable
        at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
        at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
        ... 8 more

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