Program: 95974
Project: 95974
Buggy source:
/** 
 * {@inheritDoc}
 */
@SuppressWarnings("String_Node_Str") public Object execute(ExecutionEvent event){
  TestCaseBrowser tcb=MultipleTCBTracker.getInstance().getMainTCB();
  if (!(tcb.getSelection() instanceof IStructuredSelection)) {
    return null;
  }
  IStructuredSelection sel=(IStructuredSelection)tcb.getSelection();
  List<INodePO> selectionList=sel.toList();
  if (!closeRelatedEditors(selectionList)) {
    return null;
  }
  ProblemSet moveProblems=getMoveProblem(selectionList);
  if (moveProblems.getProblems().isEmpty()) {
    Set<IReusedProjectPO> reusedProjects=GeneralStorage.getInstance().getProject().getUsedProjects();
    List<String> projectNamesList=new ArrayList<String>();
    for (    IReusedProjectPO project : reusedProjects) {
      projectNamesList.add(project.getName());
    }
    String[] projectNames=projectNamesList.toArray(new String[projectNamesList.size()]);
    ReusedProjectSelectionDialog dialog=new ReusedProjectSelectionDialog(Plugin.getShell(),projectNames,Messages.MoveTestCaseDialogShellTitle,Messages.MoveTestCaseDialogMessage,IconConstants.MOVE_TC_DIALOG_STRING,Messages.MoveTestCaseDialogShellTitle);
    dialog.setHelpAvailable(true);
    dialog.create();
    DialogUtils.setWidgetNameForModalDialog(dialog);
    Plugin.getHelpSystem().setHelp(dialog.getShell(),ContextHelpIds.TESTCASE_MOVE_EXTERNAL);
    dialog.open();
    if (dialog.getReturnCode() == Window.OK) {
      String selectedName=dialog.getSelectedName();
      IReusedProjectPO selectedProject=null;
      for (      IReusedProjectPO project : reusedProjects) {
        if (selectedName.equals(project.getName())) {
          selectedProject=project;
          break;
        }
      }
      doMove(tcb,selectionList,selectedProject);
    }
  }
 else {
    showProblems(moveProblems);
  }
  return null;
}

Fixed version (ground truth):
/** 
 * {@inheritDoc}
 */
@SuppressWarnings("String_Node_Str") public Object execute(ExecutionEvent event){
  TestCaseBrowser tcb=MultipleTCBTracker.getInstance().getMainTCB();
  if (!(tcb.getSelection() instanceof IStructuredSelection)) {
    return null;
  }
  IStructuredSelection sel=(IStructuredSelection)tcb.getSelection();
  List<INodePO> selectionList=sel.toList();
  List<INodePO> nodesToMove=new ArrayList<INodePO>();
  for (  INodePO node : selectionList) {
    MultipleNodePM.collectAffectedNodes(nodesToMove,node);
  }
  if (!closeRelatedEditors(nodesToMove)) {
    return null;
  }
  ProblemSet moveProblems=getMoveProblem(nodesToMove);
  if (moveProblems.getProblems().isEmpty()) {
    Set<IReusedProjectPO> reusedProjects=GeneralStorage.getInstance().getProject().getUsedProjects();
    List<String> projectNamesList=new ArrayList<String>();
    for (    IReusedProjectPO project : reusedProjects) {
      projectNamesList.add(project.getName());
    }
    String[] projectNames=projectNamesList.toArray(new String[projectNamesList.size()]);
    ReusedProjectSelectionDialog dialog=new ReusedProjectSelectionDialog(Plugin.getShell(),projectNames,Messages.MoveTestCaseDialogShellTitle,Messages.MoveTestCaseDialogMessage,IconConstants.MOVE_TC_DIALOG_STRING,Messages.MoveTestCaseDialogShellTitle);
    dialog.setHelpAvailable(true);
    dialog.create();
    DialogUtils.setWidgetNameForModalDialog(dialog);
    Plugin.getHelpSystem().setHelp(dialog.getShell(),ContextHelpIds.TESTCASE_MOVE_EXTERNAL);
    dialog.open();
    if (dialog.getReturnCode() == Window.OK) {
      String selectedName=dialog.getSelectedName();
      IReusedProjectPO selectedProject=null;
      for (      IReusedProjectPO project : reusedProjects) {
        if (selectedName.equals(project.getName())) {
          selectedProject=project;
          break;
        }
      }
      doMove(tcb,selectionList,selectedProject);
    }
  }
 else {
    showProblems(moveProblems);
  }
  return null;
}