[Demonstration 1]

[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 2]

[Buggy Method]
@Override
public void isComposingReceived(LinphoneCore lc, LinphoneChatRoom cr) {
    Log.d("RTT: Composing received for chatroom " + cr.getPeerAddress().asStringUriOnly());
    if (!InCallActivity.instance().incoming_chat_initiated) {
        InCallActivity.instance().create_new_incoming_bubble();
        InCallActivity.instance().incoming_chat_initiated = true;
    }
    if (!cr.isRemoteComposing()) {
        Log.d("RTT: remote is not composing, getChar() returns: " + cr.getChar());
        return;
    }
    if (lc.isIncall() && lc.getCurrentCall().getCurrentParamsCopy().realTimeTextEnabled()) {
        long charCode = cr.getChar();
        Log.d(String.format("RTT: isComposingReceived, got character (%s): %s", charCode, (char) charCode));
        updateIncomingTextView(charCode);
    } else {
        Log.d("RTT: isComposingReceived, not in call or RTT not enabled");
    }
}

[Buggy Hunk]
updateIncomingTextView(charCode);

[Patch]
InCallActivity.instance().updateIncomingTextView(charCode);