Program: 68047
Project: 68047
Buggy source:
/** 
 * Execute a ReadQuery by assigning the stored parameter values and running it in the database
 * @return the results of the query execution
 */
protected Object executeReadQuery(){
  List parameterValues=processParameters();
  boolean shouldResetConformResultsInUnitOfWork=false;
  if (isFlushModeAUTO()) {
    performPreQueryFlush();
    if (getDatabaseQuery().isObjectLevelReadQuery()) {
      if (((ObjectLevelReadQuery)getDatabaseQuery()).shouldConformResultsInUnitOfWork()) {
        cloneSharedQuery();
        ((ObjectLevelReadQuery)getDatabaseQuery()).setCacheUsage(ObjectLevelReadQuery.UseDescriptorSetting);
        shouldResetConformResultsInUnitOfWork=true;
      }
    }
  }
  if (this.lockMode != null) {
    this.entityManager.checkForTransaction(true);
    cloneSharedQuery();
    ((ObjectLevelReadQuery)getDatabaseQuery()).setLockModeType(lockMode,(AbstractSession)getActiveSession());
  }
  Session session=getActiveSession();
  try {
    if (getDatabaseQuery().isUserDefined()) {
      if (this.entityManager.checkForTransaction(false) != null) {
        if (session.isUnitOfWork() && !((UnitOfWorkImpl)session).wasTransactionBegunPrematurely()) {
          ((UnitOfWorkImpl)session).beginEarlyTransaction();
        }
      }
    }
    return session.executeQuery(getDatabaseQuery(),parameterValues);
  }
 catch (  LockTimeoutException e) {
    throw e;
  }
catch (  PessimisticLockException e) {
    throw e;
  }
catch (  RuntimeException e) {
    setRollbackOnly();
    throw e;
  }
 finally {
    lockMode=null;
    if (shouldResetConformResultsInUnitOfWork) {
      ((ObjectLevelReadQuery)getDatabaseQuery()).conformResultsInUnitOfWork();
    }
  }
}

Fixed version (ground truth):
/** 
 * Execute a ReadQuery by assigning the stored parameter values and running it in the database
 * @return the results of the query execution
 */
protected Object executeReadQuery(){
  List parameterValues=processParameters();
  boolean shouldResetConformResultsInUnitOfWork=false;
  if (isFlushModeAUTO()) {
    performPreQueryFlush();
    if (getDatabaseQuery().isObjectLevelReadQuery()) {
      if (((ObjectLevelReadQuery)getDatabaseQuery()).shouldConformResultsInUnitOfWork()) {
        cloneSharedQuery();
        ((ObjectLevelReadQuery)getDatabaseQuery()).setCacheUsage(ObjectLevelReadQuery.UseDescriptorSetting);
        shouldResetConformResultsInUnitOfWork=true;
      }
    }
  }
  if (this.lockMode != null) {
    this.entityManager.checkForTransaction(true);
    cloneSharedQuery();
    if (((ObjectLevelReadQuery)getDatabaseQuery()).setLockModeType(lockMode,(AbstractSession)getActiveSession())) {
      throw new PersistenceException(ExceptionLocalization.buildMessage("String_Node_Str",null));
    }
  }
  Session session=getActiveSession();
  try {
    if (getDatabaseQuery().isUserDefined()) {
      if (this.entityManager.checkForTransaction(false) != null) {
        if (session.isUnitOfWork() && !((UnitOfWorkImpl)session).wasTransactionBegunPrematurely()) {
          ((UnitOfWorkImpl)session).beginEarlyTransaction();
        }
      }
    }
    return session.executeQuery(getDatabaseQuery(),parameterValues);
  }
 catch (  DatabaseException e) {
    if (lockMode != null && lockMode.name().contains(ObjectLevelReadQuery.PESSIMISTIC)) {
      if (session.getPlatform().isLockTimeoutException(e)) {
        throw new LockTimeoutException(e);
      }
 else {
        throw new PessimisticLockException(e);
      }
    }
 else {
      setRollbackOnly();
      throw e;
    }
  }
catch (  RuntimeException e) {
    setRollbackOnly();
    throw e;
  }
 finally {
    lockMode=null;
    if (shouldResetConformResultsInUnitOfWork) {
      ((ObjectLevelReadQuery)getDatabaseQuery()).conformResultsInUnitOfWork();
    }
  }
}