[Demonstration 1]

[Buggy Method]
@Override
public void sendRequest(WXRequest request, final OnHttpListener listener) {
    if (listener != null) {
        listener.onHttpStart();
    }
    RequestListener requestListener = new RequestListener() {

        @Override
        public void onRequest(long consumed, long total, boolean done) {
            if (Assert.checkNull(listener)) {
                listener.onHttpUploadProgress((int) (consumed));
            }
        }
    };
    final ResponseListener responseListener = new ResponseListener() {

        @Override
        public void onResponse(long consumed, long total, boolean done) {
            if (Assert.checkNull(listener)) {
                listener.onHttpResponseProgress((int) (consumed));
            }
        }
    };
    OkHttpClient client = new OkHttpClient.Builder().addInterceptor(new Interceptor() {

        @Override
        public Response intercept(Chain chain) throws IOException {
            Response originalResponse = chain.proceed(chain.request());
            return originalResponse.newBuilder().body(new IncrementalResponseBody(originalResponse.body(), responseListener)).build();
        }
    }).build();
    if (METHOD_GET.equalsIgnoreCase(request.method)) {
        Request okHttpRequest = new Request.Builder().url(request.url).build();
        client.newCall(okHttpRequest).enqueue(new Callback() {

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

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                if (Assert.checkNull(listener)) {
                    WXResponse wxResponse = new WXResponse();
                    wxResponse.statusCode = String.valueOf(response.code());
                    wxResponse.originalData = response.body().bytes();
                    listener.onHttpFinish(wxResponse);
                }
            }
        });
    } else if (METHOD_POST.equalsIgnoreCase(request.method)) {
        Request okHttpRequest = new Request.Builder().url(request.url).post(new IncrementalRequestBody(RequestBody.create(MediaType.parse(request.body), request.body), requestListener)).build();
        client.newCall(okHttpRequest).enqueue(new Callback() {

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

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                if (Assert.checkNull(listener)) {
                    WXResponse wxResponse = new WXResponse();
                    wxResponse.statusCode = String.valueOf(response.code());
                    wxResponse.originalData = response.body().bytes();
                    listener.onHttpFinish(wxResponse);
                }
            }
        });
    }
}

[Buggy Hunk]
.post(new IncrementalRequestBody(RequestBody.create(MediaType.parse(request.body),request.body),requestListener))

[Patch]
.post(new a(RequestBody.create(MediaType.parse(request.body),request.body),requestListener))

[Demonstration 2]

[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));

[Demonstration 3]

[Buggy Method]
public void update(Runnable onSuccess) {
    final CountDownLatch latch = new CountDownLatch(2);
    Consumer countDown = new Consumer() {

        @Override
        public void run(Object result) {
            latch.countDown();
        }
    };
    getTimetable(countDown, TimetableUtils.getWeekStart(), TimetableUtils.getWeekStart().plusWeeks(1));
    getEvents(countDown);
    log("Waiting for all tasks to finish..");
    try {
        latch.await();
        log("Finished");
    } catch (InterruptedException e) {
        e.printStackTrace();
    }
    SharedPreferences.Editor editor = PreferenceManager.getDefaultSharedPreferences(context).edit();
    editor.putLong("lastUpdate", System.currentTimeMillis());
    editor.commit();
    onSuccess.run();
}

[Buggy Hunk]
public void update(Runnable onSuccess) {

[Patch]
void update(Runnable onSuccess) {