Program: 44311
Project: 44311
Buggy source:
/** 
 * @see Closure#execute(Object) 
 */
public final void execute(final T t){
  if (dryrun) {
    target.execute(t);
  }
 else {
    boolean participate=false;
    EntityTransaction transaction=null;
    if (TransactionSynchronizationManager.hasResource(emf)) {
      participate=true;
    }
 else {
      try {
        final EntityManager em=emf.createEntityManager();
        if (openTx) {
          if (!warningPrinted) {
            logger.warn("String_Node_Str" + "String_Node_Str");
          }
          transaction=em.getTransaction();
          transaction.begin();
        }
        TransactionSynchronizationManager.bindResource(emf,new EntityManagerHolder(em));
      }
 catch (      PersistenceException ex) {
        throw new DataAccessResourceFailureException("String_Node_Str",ex);
      }
    }
    if (openTx) {
      try {
        target.execute(t);
        if (transaction.getRollbackOnly()) {
          transaction.rollback();
        }
 else {
          transaction.commit();
        }
      }
 catch (      final Throwable e) {
        if (transaction != null && transaction.isActive()) {
          transaction.rollback();
        }
        throw new UnhandledException(e);
      }
 finally {
        if (!participate) {
          final EntityManagerHolder emHolder=(EntityManagerHolder)TransactionSynchronizationManager.unbindResource(emf);
          EntityManagerFactoryUtils.closeEntityManager(emHolder.getEntityManager());
        }
      }
    }
 else {
      try {
        target.execute(t);
      }
  finally {
        if (!participate) {
          final EntityManagerHolder emHolder=(EntityManagerHolder)TransactionSynchronizationManager.unbindResource(emf);
          EntityManagerFactoryUtils.closeEntityManager(emHolder.getEntityManager());
        }
      }
    }
  }
}

Fixed version (ground truth):
/** 
 * @see Closure#execute(Object) 
 */
public final void execute(final T t){
  if (dryrun) {
    target.execute(t);
  }
 else {
    boolean participate=false;
    EntityTransaction transaction=null;
    if (TransactionSynchronizationManager.hasResource(emf)) {
      participate=true;
    }
 else {
      try {
        final EntityManager em=emf.createEntityManager();
        if (openTx) {
          if (!warningPrinted) {
            logger.warn("String_Node_Str" + "String_Node_Str");
          }
          transaction=em.getTransaction();
          transaction.begin();
        }
        TransactionSynchronizationManager.bindResource(emf,new EntityManagerHolder(em));
      }
 catch (      PersistenceException ex) {
        throw new DataAccessResourceFailureException("String_Node_Str",ex);
      }
    }
    if (transaction != null) {
      try {
        target.execute(t);
        if (transaction.getRollbackOnly()) {
          transaction.rollback();
        }
 else {
          transaction.commit();
        }
      }
 catch (      final Throwable e) {
        if (transaction != null && transaction.isActive()) {
          transaction.rollback();
        }
        throw new UnhandledException(e);
      }
 finally {
        if (!participate) {
          final EntityManagerHolder emHolder=(EntityManagerHolder)TransactionSynchronizationManager.unbindResource(emf);
          EntityManagerFactoryUtils.closeEntityManager(emHolder.getEntityManager());
        }
      }
    }
 else {
      try {
        target.execute(t);
      }
  finally {
        if (!participate) {
          final EntityManagerHolder emHolder=(EntityManagerHolder)TransactionSynchronizationManager.unbindResource(emf);
          EntityManagerFactoryUtils.closeEntityManager(emHolder.getEntityManager());
        }
      }
    }
  }
}