[Demonstration 1]

[Buggy Method]
public void run() {
    do {
        try {
            this.listener.receive();
        } catch (NotFoundCmdException ex) {
        }
    } while (true);
}

[Buggy Hunk]
public void run() {

[Patch]
public void run() throws SocketException, IOException {

[Demonstration 2]

[Buggy Method]
public JDA init(JDABuilder jdaBuilder, int shards, String botPrefix) {
    instance = this;
    jdaBuilder.addListener(new JBAListener());
    clients = new JDA[shards];
    this.shards = shards;
    if (clients.length == 1) {
        try {
            this.clients[0] = jdaBuilder.buildAsync();
        } catch (RateLimitedException e) {
            LOGGER.error("Failed to build client! Retrying in " + e.getRetryAfter() + " milliseconds", e);
            try {
                Thread.sleep(e.getRetryAfter());
            } catch (InterruptedException e1) {
            }
        } catch (LoginException e) {
            LOGGER.error("Failed to login!", e);
        }
    } else {
        for (int i = 0; i < clients.length; i++) {
            while (true) {
                try {
                    clients[i] = jdaBuilder.useSharding(i, clients.length).buildAsync();
                } catch (RateLimitedException e) {
                    LOGGER.error("Failed to build client! Retrying in " + e.getRetryAfter() + " milliseconds", e);
                    try {
                        Thread.sleep(e.getRetryAfter());
                    } catch (InterruptedException e1) {
                    }
                } catch (LoginException e) {
                    LOGGER.error("Failed to login!", e);
                }
            }
        }
    }
    this.prefix = botPrefix;
    return clients[0];
}

[Buggy Hunk]
jdaBuilder.addListener(new JBAListener());

[Patch]
jdaBuilder.addEventListener(new JBAListener());

[Demonstration 3]

[Buggy Method]
@Override
public void readSettings(WizardDescriptor wiz) {
    hub = (Hub) wiz.getProperty("hub");
    if (hub != null) {
        getComponent().update(hub.getEvents());
    }
}

[Buggy Hunk]
getComponent().update(hub.getEvents());

[Patch]
getComponent().update(new ArrayList(hub.getEvents()));