INFO: javax.persistence.TransactionRequiredException
        at com.sun.enterprise.container.common.impl.EntityManagerWrapper.doTxRequiredCheck(EntityManagerWrapper.java:152)
        at com.sun.enterprise.container.common.impl.EntityManagerWrapper.doTransactionScopedTxCheck(EntityManagerWrapper.java:134)
        at com.sun.enterprise.container.common.impl.EntityManagerWrapper.persist(EntityManagerWrapper.java:252)
        at com.nodeser.document.session.CfsDocumentFacade$1.run(CfsDocumentFacade.java:124)

 final CfsVersion cfsVersion = new CfsVersion();
        cfsVersion.setDrcDirectory(cfsDirectory);
        cfsVersion.setDverCreatetime(new NodeDate());
        cfsVersion.setDverCreator(entity.getModifier());
        cfsVersion.setDverCreatorip(entity.getModifierip());
        cfsVersion.setDverDocument(entity);
        cfsVersion.setDverType(new CfsLkpVersiontype(versionType.getVTP_Id()));
        cfsVersion.setDverFile(createFileName(entity, entity.getDocVersionList().size()));
        final File targetFile = new File(cfsDirectory.getDrcPath() + cfsVersion.getDverFile());
        getEntityManager().persist(cfsVersion);


      Thread myThread = new Thread() {

            @Override
            public void run() {
                System.out.println("Copy Has Started");
                try {
                    copyfile(sourceFile, targetFile);
                    cfsVersion.setDverFnishtime(new NodeDate());
                    cfsVersion.setDverSuccess(true);
                    System.out.println("Copy Fnished");
                } catch (Exception ex) {
                    cfsVersion.setDverFnishtime(new NodeDate());
                    cfsVersion.setDverSuccess(false);
                    cfsVersion.setDverError(ex.getMessage() + " - " + ex.getCause());
                    System.out.println("Copy Error : " + ex.getMessage());
                } finally {
                    try {
                        getEntityManager().persist(cfsVersion);
                    } catch (Exception e) {
                        System.out.println(e);
                    }
                }

                if (cfsVersion.getDverSuccess()) {
                    //FLV Convert
                }
            }
        };
        myThread.start();