Program: 4062
Project: 4062
Buggy source:
public DownloadTable(EventList<DownloadItem> downloadItems){
  super(new DownloadTableModel(downloadItems));
  GuiUtils.assignResources(this);
  setRolloverEnabled(false);
  setFocusable(false);
  setEditable(true);
  setShowGrid(false,false);
  setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
  setHighlighters(new ColorHighlighter(HighlightPredicate.ODD,oddColor,oddForeground,oddColor,oddForeground),new ColorHighlighter(HighlightPredicate.EVEN,evenColor,evenForeground,evenColor,evenForeground));
  addMenuRowHighlighter();
  editor=new DownloadRendererEditor();
  editor.initializeEditor(downloadItems);
  DownloadRendererEditor renderer=new DownloadRendererEditor();
  setDefaultEditor(DownloadItem.class,editor);
  setDefaultRenderer(DownloadItem.class,renderer);
  setRowHeight(renderer.getPreferredSize().height);
  addMouseMotionListener(new MouseMotionAdapter(){
    @Override public void mouseMoved(    MouseEvent e){
      int col=columnAtPoint(e.getPoint());
      int row=rowAtPoint(e.getPoint());
      editCellAt(row,col);
    }
  }
);
  addMouseListener(new MouseAdapter(){
    @Override public void mouseClicked(    MouseEvent e){
      if (e.getClickCount() == 2) {
        int col=columnAtPoint(e.getPoint());
        int row=rowAtPoint(e.getPoint());
        DownloadItem item=(DownloadItem)getValueAt(row,col);
        throw new RuntimeException("String_Node_Str" + item.getTitle() + "String_Node_Str");
      }
    }
    @Override public void mouseExited(    MouseEvent e){
      TableCellEditor editor=getCellEditor();
      Component component=e.getComponent();
      if (editor != null && component != editor) {
        if (component == null || component.getComponentAt(e.getPoint()) != editor) {
          editor.cancelCellEditing();
        }
      }
    }
    @Override public void mouseReleased(    MouseEvent e){
      maybeShowPopup(e);
    }
    @Override public void mousePressed(    MouseEvent e){
      maybeShowPopup(e);
    }
    private void maybeShowPopup(    MouseEvent e){
      if (e.isPopupTrigger()) {
        editor.showPopupMenu(e.getComponent(),e.getX(),e.getY());
        int col=columnAtPoint(e.getPoint());
        int row=rowAtPoint(e.getPoint());
        prepareEditor(editor,row,col);
        repaint();
      }
    }
  }
);
}

Fixed version (ground truth):
public DownloadTable(EventList<DownloadItem> downloadItems){
  super(new DownloadTableModel(downloadItems));
  GuiUtils.assignResources(this);
  setRolloverEnabled(false);
  setFocusable(false);
  setEditable(true);
  setShowGrid(false,false);
  setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
  setHighlighters(new ColorHighlighter(HighlightPredicate.ODD,oddColor,oddForeground,oddColor,oddForeground),new ColorHighlighter(HighlightPredicate.EVEN,evenColor,evenForeground,evenColor,evenForeground));
  editor=new DownloadRendererEditor();
  editor.initializeEditor(downloadItems);
  DownloadRendererEditor renderer=new DownloadRendererEditor();
  setDefaultEditor(DownloadItem.class,editor);
  setDefaultRenderer(DownloadItem.class,renderer);
  setRowHeight(renderer.getPreferredSize().height);
  addMouseMotionListener(new MouseMotionAdapter(){
    @Override public void mouseMoved(    MouseEvent e){
      int col=columnAtPoint(e.getPoint());
      int row=rowAtPoint(e.getPoint());
      editCellAt(row,col);
    }
  }
);
  addMouseListener(new MouseAdapter(){
    @Override public void mouseClicked(    MouseEvent e){
      if (e.getClickCount() == 2) {
        int col=columnAtPoint(e.getPoint());
        int row=rowAtPoint(e.getPoint());
        DownloadItem item=(DownloadItem)getValueAt(row,col);
        throw new RuntimeException("String_Node_Str" + item.getTitle() + "String_Node_Str");
      }
    }
    @Override public void mouseExited(    MouseEvent e){
      TableCellEditor editor=getCellEditor();
      Component component=e.getComponent();
      if (editor != null && component != editor) {
        if (component == null || component.getComponentAt(e.getPoint()) != editor) {
          editor.cancelCellEditing();
        }
      }
    }
    @Override public void mouseReleased(    MouseEvent e){
      maybeShowPopup(e);
    }
    @Override public void mousePressed(    MouseEvent e){
      maybeShowPopup(e);
    }
    private void maybeShowPopup(    MouseEvent e){
      if (e.isPopupTrigger()) {
        editor.showPopupMenu(e.getComponent(),e.getX(),e.getY());
        int col=columnAtPoint(e.getPoint());
        int row=rowAtPoint(e.getPoint());
        prepareEditor(editor,row,col);
        repaint();
      }
    }
  }
);
}