troubleshooting Question

help to debug exception

Avatar of zolf
zolfFlag for United Arab Emirates asked on
9 Comments2 Solutions310 ViewsLast Modified:
Hello there,

I am getting is error when i traverse on a Jtree.what could be the problem.please throw some light on it.

Exception in thread "AWT-EventQueue-0" java.lang.ArrayIndexOutOfBoundsException: -1
      at java.util.Vector.get(Unknown Source)
      at java.awt.AWTEventMulticaster.mousePressed(Unknown Source)
      at java.awt.Component.processMouseEvent(Unknown Source)
      at javax.swing.JComponent.processMouseEvent(Unknown Source)
      at java.awt.Component.processEvent(Unknown Source)
      at java.awt.Container.processEvent(Unknown Source)
      at java.awt.Component.dispatchEventImpl(Unknown Source)
      at java.awt.Container.dispatchEventImpl(Unknown Source)
      at java.awt.Component.dispatchEvent(Unknown Source)
      at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
      at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
      at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
      at java.awt.Container.dispatchEventImpl(Unknown Source)
      at java.awt.Window.dispatchEventImpl(Unknown Source)
      at java.awt.Component.dispatchEvent(Unknown Source)
      at java.awt.EventQueue.dispatchEvent(Unknown Source)
      at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
      at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
      at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
      at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
      at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
      at Source)

this is a block of code for line 341.the line is indicated in the code below.
case BaseRow.LINECARD_TYPE : {
                                           changeCard(rightCardPanel, CITY_CO_DSLAM_PANEL);
                                           Vector col = getNodesThisLevel(linecardCollect, select);
                                           int selIndex = Collections.binarySearch(col, select, new PrimaryKeyComparator());
                                           if (!isSameBranch(select,lastSelectedNode))
                                           linecardTable.setRowSelectionInterval(selIndex, selIndex);
                                           initParentsTables(select);      ///////////line341////////////

block of code between line 3535 - 3542

private void initParentsTables(DefaultMutableTreeNode selNode) {
          BaseRow selRow = (BaseRow)selNode.getUserObject();
          int index = -1;
          switch (selRow.getType()) {
                case BaseRow.LINECARD_TYPE :
                      index = findParentElement(dslamCollect, selNode);
                      DefaultMutableTreeNode pNode = (DefaultMutableTreeNode)dslamCollect.get(index);  /////////////////////////////////line 3542//////////////////////
                      Vector cod = getNodesThisLevel(dslamCollect, pNode);
                      index = findParentElement(cod, selNode);
                      dslamTable.setRowSelectionInterval(index, index);
                      selNode = pNode;
                case BaseRow.DSLAM_TYPE :
                      index = findParentElement(coCollect, selNode);
                      pNode = (DefaultMutableTreeNode)coCollect.get(index);
                      Vector cov = getNodesThisLevel(coCollect, pNode);
                      index = findParentElement(cov, selNode);
                      coTable.setRowSelectionInterval(index, index);
                      selNode = pNode;
                case BaseRow.CO_TYPE :
                            index = findParentElement(cityCollect, selNode);
                      else if(privilege==2 || privilege==3)
                            index = findParentElement(cityPrivilegeCollect, selNode);
                      cityTable.setRowSelectionInterval(index, index);
                      int coId = ((CoRow)selNode.getUserObject()).getCoId().intValue();
                         fillThumbnails(true, coId);

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