[Demonstration 1]

[Buggy Method]
void loadWorld() {
    //Load game world from xml and pass it to the game map
    List<SVGtoRegionParser.Region> world = new ArrayList<>();
    mParser = new SVGtoRegionParser();
    InputStream inputStream;
    try {
        inputStream = new BufferedInputStream(getResources().openRawResource(R.raw.world));
        world = mParser.parse(inputStream);
    } catch (FileNotFoundException e) {
        Log.e("FileNotFoundException", e.toString());
    } catch (XmlPullParserException e) {
        Log.e("XmlPullParserException", e.toString());
    } catch (IOException e) {
        Log.e("IOException", e.toString());
    }
    mapfragment.mWorld = world;
    initialiseModel(world, mParticipants);
    nextPlayer();
}

[Buggy Hunk]
inputStream = new BufferedInputStream(getResources().openRawResource(R.raw.world));

[Patch]
inputStream = new BufferedInputStream(getResources().openRawResource(R.raw.worldsmall));

[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]
@Override
public RequestBody convert(T value) {
    Buffer buffer = new Buffer();
    ByteString body = null;
    try {
        Writer writer = new OutputStreamWriter(buffer.outputStream(), UTF_8);
        JsonWriter jsonWriter = gson.newJsonWriter(writer);
        adapter.write(jsonWriter, value);
        jsonWriter.close();
        body = buffer.readByteString();
        MZLog.d(TAG, "request json --> " + body.utf8());
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        buffer.close();
    }
    return RequestBody.create(MEDIA_TYPE, body);
}

[Buggy Hunk]
MZLog.d(TAG, "request json --> " + body.utf8());

[Patch]
Log.d(TAG, "request json --> " + body.utf8());