Program: 137534
Project: 137534
Buggy source:
/** 
 * @see org.eclipse.jface.wizard.Wizard#performFinish()
 */
@Override public boolean performFinish(){
  String folderName=mainPage.getName();
  if (defaultLabel == null) {
    IRepositoryNode currentSelectionNode=CorePlugin.getDefault().getCurrentSelectionNode();
    IFolder folder=ResourcesPlugin.getWorkspace().getRoot().getFolder(path);
    IFolder newFolder=folder.getFolder(folderName);
    try {
      if (ResourceManager.getConnectionFolder().getFullPath().isPrefixOf(folder.getFullPath())) {
        ProxyRepositoryFactory.getInstance().createFolder(ERepositoryObjectType.METADATA_CONNECTIONS,path.makeRelativeTo(ResourceManager.getConnectionFolder().getFullPath()),folderName);
      }
 else       if (ResourceManager.getMDMConnectionFolder().getFullPath().isPrefixOf(folder.getFullPath())) {
        ProxyRepositoryFactory.getInstance().createFolder(ERepositoryObjectType.METADATA_MDMCONNECTION,path.makeRelativeTo(ResourceManager.getMDMConnectionFolder().getFullPath()),folderName);
      }
 else {
        newFolder.create(false,true,null);
      }
      folder.refreshLocal(IResource.DEPTH_INFINITE,null);
      DQRespositoryView findView=CorePlugin.getDefault().getRepositoryView();
      if (findView != null) {
        findView.getCommonViewer().setExpandedState(newFolder,true);
        findView.getCommonViewer().refresh(currentSelectionNode);
      }
      if (DQRepositoryNode.isOnFilterring()) {
        RepositoryNodeHelper.fillTreeList(null);
        RepositoryNodeHelper.setFilteredNode(RepositoryNodeHelper.getRootNode(ERepositoryObjectType.TDQ_DATA_PROFILING,true));
      }
    }
 catch (    CoreException e) {
      MessageDialog.openError(getShell(),DefaultMessagesImpl.getString("String_Node_Str"),DefaultMessagesImpl.getString("String_Node_Str"));
      ExceptionHandler.process(e);
      return false;
    }
catch (    PersistenceException e) {
      Log.error(e,e);
    }
  }
  return true;
}

Fixed version (ground truth):
/** 
 * @see org.eclipse.jface.wizard.Wizard#performFinish()
 */
@Override public boolean performFinish(){
  final ReturnCode returncode=new ReturnCode(true);
  RepositoryWorkUnit<Object> workUnit=new RepositoryWorkUnit<Object>(DefaultMessagesImpl.getString("String_Node_Str")){
    @Override protected void run() throws LoginException, PersistenceException {
      String folderName=mainPage.getName();
      if (defaultLabel == null) {
        IRepositoryNode currentSelectionNode=CorePlugin.getDefault().getCurrentSelectionNode();
        IFolder folder=ResourcesPlugin.getWorkspace().getRoot().getFolder(path);
        IFolder newFolder=folder.getFolder(folderName);
        if (ResourceManager.getConnectionFolder().getFullPath().isPrefixOf(folder.getFullPath())) {
          ProxyRepositoryFactory.getInstance().createFolder(ERepositoryObjectType.METADATA_CONNECTIONS,path.makeRelativeTo(ResourceManager.getConnectionFolder().getFullPath()),folderName);
        }
 else         if (ResourceManager.getMDMConnectionFolder().getFullPath().isPrefixOf(folder.getFullPath())) {
          ProxyRepositoryFactory.getInstance().createFolder(ERepositoryObjectType.METADATA_MDMCONNECTION,path.makeRelativeTo(ResourceManager.getMDMConnectionFolder().getFullPath()),folderName);
        }
 else {
          try {
            newFolder.create(false,true,null);
            folder.refreshLocal(IResource.DEPTH_INFINITE,null);
            DQRespositoryView findView=CorePlugin.getDefault().getRepositoryView();
            if (findView != null) {
              findView.getCommonViewer().setExpandedState(newFolder,true);
              findView.getCommonViewer().refresh(currentSelectionNode);
            }
            if (DQRepositoryNode.isOnFilterring()) {
              RepositoryNodeHelper.fillTreeList(null);
              RepositoryNodeHelper.setFilteredNode(RepositoryNodeHelper.getRootNode(ERepositoryObjectType.TDQ_DATA_PROFILING,true));
            }
          }
 catch (          CoreException e) {
            MessageDialog.openError(getShell(),DefaultMessagesImpl.getString("String_Node_Str"),DefaultMessagesImpl.getString("String_Node_Str"));
            ExceptionHandler.process(e);
            returncode.setOk(false);
            return;
          }
        }
      }
    }
  }
;
  workUnit.setAvoidUnloadResources(true);
  ProxyRepositoryFactory.getInstance().executeRepositoryWorkUnit(workUnit);
  return returncode.isOk();
}