From 279162d7201fb8f2975a6320f273dd37ff2e405f Mon Sep 17 00:00:00 2001
From: Myles <myles@myles.us>
Date: Mon, 31 Jul 2017 15:25:04 +0100
Subject: [PATCH] Ensure only 1 server saves config value at a time.

---
 .../ViaVersion/bungee/service/ProtocolDetectorService.java | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/bungee/src/main/java/us/myles/ViaVersion/bungee/service/ProtocolDetectorService.java b/bungee/src/main/java/us/myles/ViaVersion/bungee/service/ProtocolDetectorService.java
index 1a1f77d1e..a940a603e 100644
--- a/bungee/src/main/java/us/myles/ViaVersion/bungee/service/ProtocolDetectorService.java
+++ b/bungee/src/main/java/us/myles/ViaVersion/bungee/service/ProtocolDetectorService.java
@@ -63,10 +63,13 @@ public class ProtocolDetectorService implements Runnable {
                                 return;
                             }
                         }
-                        // Save Server
-                        servers.put(key, serverPing.getVersion().getProtocol());
+                        // Ensure we're the only ones writing to the config
+                        synchronized (Via.getPlatform().getConfigurationProvider()) {
+                            servers.put(key, serverPing.getVersion().getProtocol());
+                        }
                         // Save
                         Via.getPlatform().getConfigurationProvider().saveConfig();
+
                     }
                 }
             }