Program: 45485
Project: 45485
Buggy source:
/** 
 * {@inheritDoc}
 */
public Cell loadCell(CellID cellId,String className,BoundingVolume localBounds,CellID parentCellID,CellTransform cellTransform,CellClientState setup,String cellName){
  long startTime=System.currentTimeMillis();
  try {
    if (cells.containsKey(cellId)) {
      logger.severe("String_Node_Str" + cellId);
      return null;
    }
    logger.info("String_Node_Str" + className + "String_Node_Str"+ cellId);
    Cell cell=instantiateCell(className,cellId);
    if (cell == null)     return null;
    cell.setName(cellName);
    Cell parent=cells.get(parentCellID);
    if (parent != null) {
      try {
        parent.addChild(cell);
      }
 catch (      MultipleParentException ex) {
        logger.log(Level.SEVERE,"String_Node_Str",ex);
      }
    }
    cell.setLocalBounds(localBounds);
    cell.setLocalTransform(cellTransform,TransformChangeListener.ChangeSource.SERVER_ADJUST);
    cells.put(cellId,cell);
    logger.fine("String_Node_Str" + cell.getName());
    if (parent == null && !cellId.equals(CellID.getEnvironmentCellID())) {
      logger.fine("String_Node_Str" + cell.getName());
      rootCells.add(cell);
    }
    if (setup != null)     cell.setClientState(setup);
 else     logger.warning("String_Node_Str" + className + "String_Node_Str"+ cell);
    fireCellLoaded(cell);
    if (viewCell != null) {
      changeCellStatus(cell,CellStatus.VISIBLE);
    }
 else     if (cell instanceof ViewCell || cellId.equals(CellID.getEnvironmentCellID())) {
      changeCellStatus(cell,CellStatus.ACTIVE);
    }
    long time=System.currentTimeMillis() - startTime;
    TimeCellStat loadStat=new TimeCellStat("String_Node_Str","String_Node_Str");
    loadStat.setValue(time);
    getStatistics().add(cell,loadStat);
    return cell;
  }
 catch (  Exception e) {
    fireCellLoadFailed(cellId,className,parentCellID,e);
    logger.log(Level.SEVERE,"String_Node_Str",e);
    return null;
  }
}

Fixed version (ground truth):
/** 
 * {@inheritDoc}
 */
public Cell loadCell(CellID cellId,String className,BoundingVolume localBounds,CellID parentCellID,CellTransform cellTransform,CellClientState setup,String cellName){
  long startTime=System.currentTimeMillis();
  try {
    if (cells.containsKey(cellId)) {
      logger.severe("String_Node_Str" + cellId);
      return null;
    }
    logger.info("String_Node_Str" + className + "String_Node_Str"+ cellId);
    Cell cell=instantiateCell(className,cellId);
    if (cell == null)     return null;
    cell.setName(cellName);
    Cell parent=cells.get(parentCellID);
    if (parent != null) {
      try {
        parent.addChild(cell);
      }
 catch (      MultipleParentException ex) {
        logger.log(Level.SEVERE,"String_Node_Str",ex);
      }
    }
 else     if (parentCellID != null) {
      logger.warning("String_Node_Str" + parentCellID + "String_Node_Str"+ cellId);
    }
    cell.setLocalBounds(localBounds);
    cell.setLocalTransform(cellTransform,TransformChangeListener.ChangeSource.SERVER_ADJUST);
    cells.put(cellId,cell);
    logger.fine("String_Node_Str" + cell.getName());
    if (parent == null && !cellId.equals(CellID.getEnvironmentCellID())) {
      logger.fine("String_Node_Str" + cell.getName());
      rootCells.add(cell);
    }
    if (setup != null)     cell.setClientState(setup);
 else     logger.warning("String_Node_Str" + className + "String_Node_Str"+ cell);
    fireCellLoaded(cell);
    if (viewCell != null) {
      changeCellStatus(cell,CellStatus.VISIBLE);
    }
 else     if (cell instanceof ViewCell || cellId.equals(CellID.getEnvironmentCellID())) {
      changeCellStatus(cell,CellStatus.ACTIVE);
    }
    long time=System.currentTimeMillis() - startTime;
    TimeCellStat loadStat=new TimeCellStat("String_Node_Str","String_Node_Str");
    loadStat.setValue(time);
    getStatistics().add(cell,loadStat);
    return cell;
  }
 catch (  Exception e) {
    fireCellLoadFailed(cellId,className,parentCellID,e);
    logger.log(Level.SEVERE,"String_Node_Str",e);
    return null;
  }
}