public DLFileEntry getFileEntry(String processUUID, String title) {
   try {
     return fileService.getFileEntryByTitle(
         processBaseGroup.getGroupId(), getFolder(processUUID).getFolderId(), title);
   } catch (PortalException ex) {
     ex.printStackTrace();
     return null;
   } catch (SystemException ex) {
     ex.printStackTrace();
     return null;
   }
 }