code: private String getLogDir() {
          StringBuffer output = new StringBuffer();
          WsLocationAdmin locationAdmin = locationAdminRef.getService();
          output.append(locationAdmin.resolveString("${server.output.dir}").replace('\\', '/')).append("/logs");
          return output.toString();
      }
docs: Get the default directory for logs
  
  @return full path String of logs directory