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Fix NPE race condition in ServerListPingEvent

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Fixes GH-1473

If a ping is responded to prior to the server sample being populated
(pre-tick as an example) it can result in an NPE.
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BillyGalbreath 2018-09-22 23:55:30 -04:00 committed by Zach Brown
parent 004b92b0e8
commit 003c0e0766
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GPG Key ID: CC9DA35FC5450B76
1 changed files with 1 additions and 1 deletions
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Spigot-Server-Patches/0240-Implement-extended-PaperServerListPingEvent.patch
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@ -91,7 +91,7 @@ index 0000000000..350410527b
+
+ private StandardPaperServerListPingEventImpl(MinecraftServer server, NetworkManager networkManager, ServerPing ping) {
+ super(server, new PaperStatusClient(networkManager), ping.getServerData().getProtocolVersion(), server.server.getServerIcon());
+ this.originalSample = ping.getPlayers().getSample();
+ this.originalSample = ping.getPlayers() == null ? null : ping.getPlayers().getSample(); // GH-1473 - pre-tick race condition NPE
+ }
+
+ @Nonnull