DataBridging.oracle.oc4j.admin.internal.DeployerException: [DataBridging:DataBridgingWeb] - Exception creating EntityManagerFactory using PersistenceProvider class oracle.toplink.essentials.ejb.cmp3.EntityManagerFactoryProvider for persistence unit DataBridging.

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[DataBridging:DataBridgingWeb] - Exception creating EntityManagerFactory using PersistenceProvider class oracle.toplink.essentials.ejb.cmp3.EntityManagerFactoryProvider for persistence unit DataBridging.
DataBridging.oracle.oc4j.admin.internal.DeployerException: [DataBridging:DataBridgingWeb] - Exception creating EntityManagerFactory using PersistenceProvider class oracle.toplink.essentials.ejb.cmp3.EntityManagerFactoryProvider for persistence unit DataBridging.
at oracle.oc4j.admin.internal.DeployerBase.execute(DeployerBase.java:126)
at oracle.oc4j.admin.jmx.server.mbeans.deploy.OC4JDeployerRunnable.doRun(OC4JDeployerRunnable.java:52)

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