output: #fixed code
                                  @Test
      public void testBackendFactoryDefaults() throws IOException {
          try (RrdNioBackendFactory factory = new RrdNioBackendFactory(0)) {
              File rrdfile = testFolder.newFile("testfile");
              super.testBackendFactory(factory,rrdfile.getCanonicalPath());
          }
      }
input: #vulnerable code 
                                  @Test
      public void testBackendFactoryDefaults() throws IOException {
          // Don't close a default NIO, it will close the background sync threads executor
          @SuppressWarnings("resource")
          RrdNioBackendFactory factory = new RrdNioBackendFactory();
          File rrdfile = testFolder.newFile("testfile");
          super.testBackendFactory(factory,rrdfile.getCanonicalPath());
      } 
                              #location 5 
                              #vulnerability type RESOURCE_LEAK