/**
 * This is free and unencumbered software released into the public domain.
 *
 * Anyone is free to copy, modify, publish, use, compile, sell, or
 * distribute this software, either in source code form or as a compiled
 * binary, for any purpose, commercial or non-commercial, and by any
 * means.
 *
 * In jurisdictions that recognize copyright laws, the author or authors
 * of this software dedicate any and all copyright interest in the
 * software to the public domain. We make this dedication for the benefit
 * of the public at large and to the detriment of our heirs and
 * successors. We intend this dedication to be an overt act of
 * relinquishment in perpetuity of all present and future rights to this
 * software under copyright law.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * For more information, please refer to <http://unlicense.org/>
 */
package com.imaginarycode.minecraft.hubmagic.ping.bungee;

import com.imaginarycode.minecraft.hubmagic.ping.PingResult;
import com.imaginarycode.minecraft.hubmagic.ping.PingStrategy;
import net.md_5.bungee.api.Callback;
import net.md_5.bungee.api.ServerPing;
import net.md_5.bungee.api.config.ServerInfo;

public class BungeePingStrategy implements PingStrategy {
    @Override
    public void ping(ServerInfo info, final Callback<PingResult> callback) {
        try {
            info.ping(new Callback<ServerPing>() {
                @Override
                public void done(ServerPing serverPing, Throwable throwable) {
                    if (throwable != null) {
                        callback.done(PingResult.DOWN, throwable);
                        return;
                    }

                    callback.done(PingResult.from(false, serverPing.getPlayers().getOnline(), serverPing.getPlayers().getMax()), null);
                }
            });
        } catch (Exception e) {
            callback.done(null, e);
        }
    }
}

@@ -2300,20 +2300,31 @@
 ck.done(
-null
+PingResult.DOWN
 , e);%0A  

Fix NPE