output: #fixed code
                                  @Test
      public void readPlainTextValuesWithCoverageContextContinuouslyWithReturnBody()
              throws ExecutionException, InterruptedException, UnknownHostException
      {
          final Map<String, RiakObject> results = performFBReadWithCoverageContext(true, true, false);
          assertEquals(NUMBER_OF_TEST_VALUES, results.size());
  
          verifyResults(results, true);
      }
input: #vulnerable code 
                                  @Test
      public void readPlainTextValuesWithCoverageContextContinuouslyWithReturnBody()
              throws ExecutionException, InterruptedException, UnknownHostException
      {
          final Map<String, RiakObject> results = performFBReadWithCoverageContext(true, true);
          assertEquals(NUMBER_OF_TEST_VALUES, results.size());
  
          for (int i=0; i<NUMBER_OF_TEST_VALUES; ++i)
          {
              final String key = "k"+i;
              assertTrue(results.containsKey(key));
  
              final RiakObject ro = results.get(key);
              assertNotNull(ro);
  
              assertEquals("plain/text", ro.getContentType());
              assertFalse(ro.isDeleted());
              assertEquals("v"+i, ro.getValue().toStringUtf8());
          }
      } 
                              #location 16 
                              #vulnerability type NULL_DEREFERENCE