Add a command to force search versions @ Bungee

bungee/src/main/java/us/myles/ViaVersion/bungee/commands/BungeeCommandHandler.java

@@ -1,7 +1,15 @@
 package us.myles.ViaVersion.bungee.commands;
 
+import us.myles.ViaVersion.bungee.commands.subs.SearchServersSubCmd;
 import us.myles.ViaVersion.commands.ViaCommandHandler;
 
 public class BungeeCommandHandler extends ViaCommandHandler {
-
+    public BungeeCommandHandler() {
+        try {
+            registerSubCommand(new SearchServersSubCmd());
+        } catch (Exception e) {
+            System.out.println("Failed to register Bungee subcommands");
+            e.printStackTrace();
+        }
+    }
 }

bungee/src/main/java/us/myles/ViaVersion/bungee/commands/subs/SearchServersSubCmd.java

@@ -0,0 +1,25 @@
+package us.myles.ViaVersion.bungee.commands.subs;
+
+import us.myles.ViaVersion.api.command.ViaCommandSender;
+import us.myles.ViaVersion.api.command.ViaSubCommand;
+import us.myles.ViaVersion.bungee.service.ProtocolDetectorService;
+
+// TODO better name
+public class SearchServersSubCmd extends ViaSubCommand {
+    @Override
+    public String name() {
+        return "searchservers";
+    }
+
+    @Override
+    public String description() {
+        return "Force ViaVersion to search for servers to update the version list (Also happens every minute)";
+    }
+
+    @Override
+    public boolean execute(ViaCommandSender sender, String[] args) {
+        ProtocolDetectorService.getInstance().run();
+        sendMessage(sender, "&6Started searching for subservers");
+        return true;
+    }
+}

bungee/src/main/java/us/myles/ViaVersion/bungee/service/ProtocolDetectorService.java

@@ -1,5 +1,6 @@
 package us.myles.ViaVersion.bungee.service;
 
+import lombok.Getter;
 import net.md_5.bungee.api.Callback;
 import net.md_5.bungee.api.ServerPing;
 import net.md_5.bungee.api.config.ServerInfo;
@@ -11,9 +12,12 @@ import java.util.concurrent.ConcurrentHashMap;
 public class ProtocolDetectorService implements Runnable {
     private static final Map<String, Integer> protocolIds = new ConcurrentHashMap<>();
     private BungeePlugin plugin;
+    @Getter
+    private static ProtocolDetectorService instance;
 
     public ProtocolDetectorService(BungeePlugin plugin) {
         this.plugin = plugin;
+        instance = this;
     }
 
     public static Integer getProtocolId(String serverName) {
@@ -39,8 +43,6 @@ public class ProtocolDetectorService implements Runnable {
             public void done(ServerPing serverPing, Throwable throwable) {
                 if (throwable == null)
                     protocolIds.put(key, serverPing.getVersion().getProtocol());
-                else
-                    throwable.printStackTrace();
             }
         });
     }

common/src/main/java/us/myles/ViaVersion/protocols/protocol1_9to1_8/ViaIdleThread.java

@@ -10,7 +10,7 @@ public class ViaIdleThread implements Runnable {
     @Override
     public void run() {
         for (UserConnection info : Via.getManager().getPortedPlayers().values()) {
-            if (info.get(ProtocolInfo.class).getPipeline().contains(Protocol1_9TO1_8.class)) {
+            if (info.has(ProtocolInfo.class) && info.get(ProtocolInfo.class).getPipeline().contains(Protocol1_9TO1_8.class)) {
                 long nextIdleUpdate = info.get(MovementTracker.class).getNextIdlePacket();
                 if (nextIdleUpdate <= System.currentTimeMillis()) {
                     if (info.getChannel().isOpen()) {