java.lang.NullPointerException

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  • java.lang.NullPointerException at oracle.toplink.exceptions.EntityManagerSetupException.predeployFailed(EntityManagerSetupException.java:198) Caused by: java.lang.NullPointerException at oracle.oc4j.persistence.PolicyClassLoaderAdapter.getTemporaryClassLoader(PolicyClassLoaderAdapter.java:30) at oracle.oc4j.persistence.PersistenceUnitInfoImpl.getNewTempClassLoader(PersistenceUnitInfoImpl.java:350) at oracle.toplink.internal.ejb.cmp3.EntityManagerSetupImpl.predeploy(EntityManagerSetupImpl.java:641) ... 1 more
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