Program: 130139
Project: 130139
Buggy source:
public void updateItemsList(final String path,final boolean fromDir,boolean isneedUpdate){
  if (!isneedUpdate && path.equals(lastWorkedPath)) {
    return;
  }
  lastWorkedPath=path;
  CheckboxTreeViewer viewer=filteredCheckboxTree.getViewer();
  if (StringUtils.isEmpty(path)) {
    selectedItemRecords.clear();
    viewer.refresh(true);
    TreeItem topItem=viewer.getTree().getTopItem();
    if (topItem != null) {
      viewer.setSubtreeChecked(topItem.getData(),false);
    }
  }
 else {
    File srcFile=new File(path);
    try {
      final FileResourcesUnityManager fileUnityManager=ResourcesManagerFactory.getInstance().createFileUnityManager(srcFile);
      AProgressMonitorDialogWithCancel<ResourcesManager> dialogWithCancel=new AProgressMonitorDialogWithCancel<ResourcesManager>(getShell()){
        @Override protected ResourcesManager runWithCancel(        IProgressMonitor monitor) throws Exception {
          return fileUnityManager.doUnify(true);
        }
      }
;
      String executingMessage=Messages.getString("String_Node_Str");
      String waitingFinishMessage=Messages.getString("String_Node_Str");
      dialogWithCancel.run(executingMessage,waitingFinishMessage,true,AProgressMonitorDialogWithCancel.ENDLESS_WAIT_TIME);
      Exception executeException=dialogWithCancel.getExecuteException();
      if (executeException != null) {
        throw executeException;
      }
      resManager=dialogWithCancel.getExecuteResult();
    }
 catch (    FileNotFoundException e) {
      return;
    }
catch (    ZipException e) {
      displayErrorDialog(Messages.getString("String_Node_Str"));
      archivePathField.setFocus();
    }
catch (    TarException e) {
      displayErrorDialog(Messages.getString("String_Node_Str"));
      archivePathField.setFocus();
    }
catch (    IOException e) {
      displayErrorDialog(Messages.getString("String_Node_Str"));
      archivePathField.setFocus();
    }
catch (    Exception e) {
      displayErrorDialog(e.getMessage());
      archivePathField.setFocus();
    }
    if (resManager == null) {
      setErrorMessage(Messages.getString("String_Node_Str"));
      setPageComplete(false);
    }
 else {
      populateItems(this.overwriteButton.getSelection());
    }
  }
}

Fixed version (ground truth):
public void updateItemsList(final String path,final boolean fromDir,boolean isneedUpdate){
  if (!isneedUpdate && path.equals(lastWorkedPath)) {
    return;
  }
  lastWorkedPath=path;
  CheckboxTreeViewer viewer=filteredCheckboxTree.getViewer();
  if (StringUtils.isEmpty(path)) {
    selectedItemRecords.clear();
    viewer.refresh(true);
    TreeItem topItem=viewer.getTree().getTopItem();
    if (topItem != null) {
      viewer.setSubtreeChecked(topItem.getData(),false);
    }
  }
 else {
    File srcFile=new File(path);
    try {
      final FileResourcesUnityManager fileUnityManager=ResourcesManagerFactory.getInstance().createFileUnityManager(srcFile);
      AProgressMonitorDialogWithCancel<ResourcesManager> dialogWithCancel=new AProgressMonitorDialogWithCancel<ResourcesManager>(getShell()){
        @Override protected ResourcesManager runWithCancel(        IProgressMonitor monitor) throws Throwable {
          return fileUnityManager.doUnify(true);
        }
      }
;
      String executingMessage=Messages.getString("String_Node_Str");
      String waitingFinishMessage=Messages.getString("String_Node_Str");
      dialogWithCancel.run(executingMessage,waitingFinishMessage,true,AProgressMonitorDialogWithCancel.ENDLESS_WAIT_TIME);
      Throwable executeException=dialogWithCancel.getExecuteException();
      if (executeException != null) {
        throw executeException;
      }
      resManager=dialogWithCancel.getExecuteResult();
    }
 catch (    FileNotFoundException e) {
      return;
    }
catch (    ZipException e) {
      displayErrorDialog(Messages.getString("String_Node_Str"));
      archivePathField.setFocus();
    }
catch (    TarException e) {
      displayErrorDialog(Messages.getString("String_Node_Str"));
      archivePathField.setFocus();
    }
catch (    IOException e) {
      displayErrorDialog(Messages.getString("String_Node_Str"));
      archivePathField.setFocus();
    }
catch (    Throwable e) {
      displayErrorDialog(e.getMessage());
      archivePathField.setFocus();
    }
    if (resManager == null) {
      setErrorMessage(Messages.getString("String_Node_Str"));
      setPageComplete(false);
    }
 else {
      populateItems(this.overwriteButton.getSelection());
    }
  }
}