#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
#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);
    }