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java.lang.NullPointerException: in is null	at Source)	at java.util.jar.JarInputStream.(Unknown Source)	at java.util.jar.JarInputStream.(Unknown Source)	at org.hibernate.ejb.packaging.InputStreamZippedJarVisitor.doProcessElements(	at org.hibernate.ejb.packaging.AbstractJarVisitor.getMatchingEntries(	at org.hibernate.ejb.Ejb3Configuration.addScannedEntries(	at org.hibernate.ejb.Ejb3Configuration.addMetadataFromVisitor(	at org.hibernate.ejb.Ejb3Configuration.configure(	at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(	at javax.persistence.Persistence.createEntityManagerFactory(	at javax.persistence.Persistence.createEntityManagerFactory(	at com.micromms.fms.session.b.a(Unknown Source)	at Source)	at org.eclipse.jface.operation.ModalContext$