[Demonstration 1]

[Buggy Method]
@Override
public List<JobRuntimeInfo> allJobs() {
    if (isSchedulerAvaliable()) {
        final List<JobRuntimeInfo> jobs = Lists.newArrayList();
        try {
            Set<JobKey> jobKeys = scheduler.getJobKeys(GroupMatcher.anyJobGroup());
            if (jobKeys != null) {
                jobKeys.stream().forEach(jobKey -> {
                    JobRuntimeInfo job = getInfoInfoByKey(jobKey);
                    if (job != null) {
                        jobs.add(job);
                    }
                });
            }
        } catch (SchedulerException e) {
            LOGGER.error(e.getMessage(), e);
        }
        return jobs;
    }
    return null;
}

[Buggy Hunk]
JobRuntimeInfo job = getInfoInfoByKey(jobKey);

[Patch]
JobRuntimeInfo job = getJobInfoByKey(jobKey);

[Demonstration 2]

[Buggy Method]
@Test
public void testAsyncStandardTags() throws IOException {
    {
        mockWebServer.enqueue(new MockResponse().setResponseCode(202));
        okHttpClient.newCall(new Request.Builder().url(mockWebServer.url("foo")).build()).enqueue(new Callback() {

            @Override
            public void onFailure(Call call, IOException e) {
            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
            }
        });
    }
    Awaitility.await().until(reportedSpansSize(), IsEqual.equalTo(1));
    List<MockSpan> mockSpans = mockTracer.finishedSpans();
    Assert.assertEquals(1, mockSpans.size());
    assertOnErrors(mockSpans);
    MockSpan mockSpan = mockSpans.get(0);
    Assert.assertEquals(8, mockSpan.tags().size());
    Assert.assertEquals("java-okhttp", mockSpan.tags().get(Tags.COMPONENT.getKey()));
    Assert.assertEquals(Tags.SPAN_KIND_CLIENT, mockSpan.tags().get(Tags.SPAN_KIND.getKey()));
    Assert.assertEquals("http://localhost:" + mockWebServer.getPort() + "/foo", mockSpan.tags().get(Tags.HTTP_URL.getKey()));
    Assert.assertEquals("GET", mockSpan.tags().get(Tags.HTTP_METHOD.getKey()));
    Assert.assertEquals(202, mockSpan.tags().get(Tags.HTTP_STATUS.getKey()));
    Assert.assertEquals((short) mockWebServer.getPort(), mockSpan.tags().get(Tags.PEER_PORT.getKey()));
    Assert.assertEquals("localhost", mockSpan.tags().get(Tags.PEER_HOSTNAME.getKey()));
    Assert.assertEquals(ipv4ToInt("127.0.0.1"), mockSpan.tags().get(Tags.PEER_HOST_IPV4.getKey()));
    Assert.assertEquals(0, mockSpan.logEntries().size());
}

[Buggy Hunk]
Assert.assertEquals((short) mockWebServer.getPort(), mockSpan.tags().get(Tags.PEER_PORT.getKey()));

[Patch]
Assert.assertEquals(mockWebServer.getPort(), mockSpan.tags().get(Tags.PEER_PORT.getKey()));

[Demonstration 3]

[Buggy Method]
public static Result service(String ownerName, String projectName, String service, boolean isAdvertise) throws IOException, UnsupportedOperationException, ServletException {
    if (!isSupportedService(service)) {
        return forbidden(String.format("Unsupported service: '%s'", service));
    }
    Project project = Project.findByOwnerAndProjectName(ownerName, projectName);
    if (project == null) {
        return notFound();
    }
    models.User user = UserApp.currentUser();
    if (!isAllowed(project, service)) {
        if (user.isAnonymous()) {
            return BasicAuthAction.unauthorized(response());
        } else {
            // If you want the Git client showing your custom message to
            // the user, the Content-Type should be exact "text/plain"
            // without any parameter. For more details, see the code at
            // https://github.com/git/git/commit/426e70d4a11ce3b4f70636d57c6a0ab16ae08a00#diff-eea0ad565ec5903a11b6023755d491cfR154
            response().setHeader("Content-Type", "text/plain");
            return forbidden(String.format("'%s' has no permission to '%s/%s'.", user.name, ownerName, projectName));
        }
    }
    if (isAdvertise) {
        return ok(RepositoryService.gitAdvertise(project, service, response()));
    } else {
        if (request().body().isMaxSizeExceeded()) {
            return status(REQUEST_ENTITY_TOO_LARGE);
        } else {
            user.visits(project);
            return ok(RepositoryService.gitRpc(project, service, request(), response()));
        }
    }
}

[Buggy Hunk]
user.name, ownerName, projectName));

[Patch]
user.loginId, ownerName, projectName));