Program: 123580
Project: 123580
Buggy source:
/** 
 * The Finish button was pressed. Try to do the required work now and answer a boolean indicating success. If false is returned then the wizard will not close.
 * @returns boolean
 */
@Override public boolean finish(){
  if (treeViewer != null) {
    treeViewer.removeCheckStateListener(checkStateListener);
  }
  if (manager == null) {
    manager=createJobScriptsManager();
  }
  List<ContextParameterType> contextEditableResultValuesList=manager.getContextEditableResultValuesList();
  saveDirtyEditors();
  saveWidgetValues();
  if (!ensureTargetIsValid()) {
    return false;
  }
  if (contextEditableResultValuesList == null) {
    manager.setContextEditableResultValuesList(new ArrayList<ContextParameterType>());
  }
 else {
    manager.setContextEditableResultValuesList(contextEditableResultValuesList);
  }
  if (manager instanceof PetalsJobJavaScriptsManager) {
    PetalsTemporaryOptionsKeeper.INSTANCE.setSelection(selection);
  }
  manager.setMultiNodes(isMultiNodes());
  IRunnableWithProgress worker=new JobExportAction(Arrays.asList(getCheckNodes()),getSelectedJobVersion(),manager,originalRootFolderName,getProcessType());
  IProgressService progressService=PlatformUI.getWorkbench().getProgressService();
  try {
    progressService.run(false,true,worker);
  }
 catch (  InvocationTargetException e) {
    ExceptionHandler.process(e);
  }
catch (  InterruptedException e) {
    ExceptionHandler.process(e);
  }
  if (zipOption != null && zipOption.equals("String_Node_Str")) {
    try {
      String zipFile=manager.getDestinationPath();
      File file=new File(zipFile);
      if (file.exists())       ZipToFile.unZipFile(zipFile,file.getParentFile().getAbsolutePath());
    }
 catch (    Exception e) {
      MessageBoxExceptionHandler.process(e);
      return false;
    }
  }
  if (treeViewer != null) {
    treeViewer.dispose();
  }
  ok=true;
  return ok;
}

Fixed version (ground truth):
/** 
 * The Finish button was pressed. Try to do the required work now and answer a boolean indicating success. If false is returned then the wizard will not close.
 * @returns boolean
 */
@Override public boolean finish(){
  if (treeViewer != null) {
    treeViewer.removeCheckStateListener(checkStateListener);
  }
  List<ContextParameterType> contextEditableResultValuesList=null;
  if (manager != null) {
    contextEditableResultValuesList=manager.getContextEditableResultValuesList();
  }
  manager=createJobScriptsManager();
  saveDirtyEditors();
  saveWidgetValues();
  if (!ensureTargetIsValid()) {
    return false;
  }
  if (contextEditableResultValuesList == null) {
    manager.setContextEditableResultValuesList(new ArrayList<ContextParameterType>());
  }
 else {
    manager.setContextEditableResultValuesList(contextEditableResultValuesList);
  }
  if (manager instanceof PetalsJobJavaScriptsManager) {
    PetalsTemporaryOptionsKeeper.INSTANCE.setSelection(selection);
  }
  manager.setMultiNodes(isMultiNodes());
  IRunnableWithProgress worker=new JobExportAction(Arrays.asList(getCheckNodes()),getSelectedJobVersion(),manager,originalRootFolderName,getProcessType());
  IProgressService progressService=PlatformUI.getWorkbench().getProgressService();
  try {
    progressService.run(false,true,worker);
  }
 catch (  InvocationTargetException e) {
    ExceptionHandler.process(e);
  }
catch (  InterruptedException e) {
    ExceptionHandler.process(e);
  }
  if (zipOption != null && zipOption.equals("String_Node_Str")) {
    try {
      String zipFile=manager.getDestinationPath();
      File file=new File(zipFile);
      if (file.exists())       ZipToFile.unZipFile(zipFile,file.getParentFile().getAbsolutePath());
    }
 catch (    Exception e) {
      MessageBoxExceptionHandler.process(e);
      return false;
    }
  }
  if (treeViewer != null) {
    treeViewer.dispose();
  }
  ok=true;
  return ok;
}