Program: 64772
Project: 64772
Buggy source:
/** 
 * INTERNAL: This method performs the logic that occurs at transaction completion time. This includes issuing the SQL, etc. This method executes within the transaction context of the caller of transaction.commit(), or in the case of container-managed transactions, in the context of the method for which the Container started the transaction.
 */
public void beforeCompletion(){
  UnitOfWorkImpl uow=getUnitOfWork();
  if (unitOfWork == null) {
    return;
  }
  try {
    Object status=getTransactionController().getTransactionStatus();
    getTransactionController().logTxStateTrace(uow,"String_Node_Str",status);
    session.startOperationProfile(SessionProfiler.JtsBeforeCompletion);
    getSession().setWasJTSTransactionInternallyStarted(false);
    if (!uow.isActive()) {
      throw TransactionException.inactiveUnitOfWork(uow);
    }
    if (!getTransactionController().canIssueSQLToDatabase_impl(status)) {
      if (getSession().isInTransaction()) {
        getSession().getTransactionMutex().setActiveThread(Thread.currentThread());
        if (getUnitOfWork().wasTransactionBegunPrematurely()) {
          getUnitOfWork().setWasTransactionBegunPrematurely(false);
        }
        getSession().rollbackTransaction();
      }
      getSession().releaseJTSConnection();
      return;
    }
    if (getSession().isInTransaction()) {
      getSession().getTransactionMutex().setActiveThread(Thread.currentThread());
    }
    if (getTransactionController().isSequencingCallbackRequired()) {
      getTransactionController().currentlyProcessedListeners.put(getTransactionKey(),this);
    }
    uow.issueSQLbeforeCompletion();
    uow.setPendingMerge();
  }
 catch (  RuntimeException exception) {
    uow.log(new SessionLogEntry(uow,SessionLog.WARNING,SessionLog.TRANSACTION,exception));
    handleException(exception);
  }
 finally {
    if (getTransactionController().isSequencingCallbackRequired()) {
      getTransactionController().currentlyProcessedListeners.remove(getTransactionKey());
    }
    getSession().releaseJTSConnection();
    session.endOperationProfile(SessionProfiler.JtsBeforeCompletion);
  }
}

Fixed version (ground truth):
/** 
 * INTERNAL: This method performs the logic that occurs at transaction completion time. This includes issuing the SQL, etc. This method executes within the transaction context of the caller of transaction.commit(), or in the case of container-managed transactions, in the context of the method for which the Container started the transaction.
 */
public void beforeCompletion(){
  UnitOfWorkImpl uow=getUnitOfWork();
  if (unitOfWork == null) {
    return;
  }
  try {
    Object status=getTransactionController().getTransactionStatus();
    getTransactionController().logTxStateTrace(uow,"String_Node_Str",status);
    session.startOperationProfile(SessionProfiler.JtsBeforeCompletion);
    getSession().setWasJTSTransactionInternallyStarted(false);
    if (!uow.isActive()) {
      throw TransactionException.inactiveUnitOfWork(uow);
    }
    if (!getTransactionController().canIssueSQLToDatabase_impl(status)) {
      if (getSession().isInTransaction()) {
        getSession().getTransactionMutex().setActiveThread(Thread.currentThread());
        if (getUnitOfWork().wasTransactionBegunPrematurely()) {
          getUnitOfWork().setWasTransactionBegunPrematurely(false);
        }
        getSession().rollbackTransaction();
      }
      getSession().releaseJTSConnection();
      return;
    }
    if (getSession().isInTransaction()) {
      getSession().getTransactionMutex().setActiveThread(Thread.currentThread());
    }
    if (getTransactionController().isSequencingCallbackRequired()) {
      getTransactionController().currentlyProcessedListeners.put(getTransactionKey(),this);
    }
    uow.issueSQLbeforeCompletion();
    uow.setPendingMerge();
  }
 catch (  RuntimeException exception) {
    if (!(exception instanceof EclipseLinkException && ((EclipseLinkException)exception).hasBeenLogged())) {
      uow.logThrowable(SessionLog.WARNING,SessionLog.TRANSACTION,exception);
    }
    handleException(exception);
  }
 finally {
    if (getTransactionController().isSequencingCallbackRequired()) {
      getTransactionController().currentlyProcessedListeners.remove(getTransactionKey());
    }
    getSession().releaseJTSConnection();
    session.endOperationProfile(SessionProfiler.JtsBeforeCompletion);
  }
}