Make it so base protocol actually registers its listeners Credit to @jollyolbrits for finding this silly one.

src/main/java/us/myles/ViaVersion/api/protocol/ProtocolPipeline.java

@@ -29,7 +29,7 @@ public class ProtocolPipeline extends Protocol {
     protected void registerPackets() {
         protocolList = new LinkedList<>();
         // This is a pipeline so we register basic pipes
-        protocolList.addLast(new BaseProtocol());
+        protocolList.addLast(ProtocolRegistry.BASE_PROTOCOL);
     }
 
     @Override

src/main/java/us/myles/ViaVersion/api/protocol/ProtocolRegistry.java

@@ -2,6 +2,7 @@ package us.myles.ViaVersion.api.protocol;
 
 import org.bukkit.Bukkit;
 import us.myles.ViaVersion.api.Pair;
+import us.myles.ViaVersion.protocols.base.BaseProtocol;
 import us.myles.ViaVersion.protocols.protocol1_9_1to1_9.Protocol1_9_1TO1_9;
 import us.myles.ViaVersion.protocols.protocol1_9to1_8.Protocol1_9TO1_8;
 
@@ -13,8 +14,11 @@ public class ProtocolRegistry {
     private static Map<Integer, Map<Integer, Protocol>> registryMap = new HashMap<>();
     private static Map<Pair<Integer, Integer>, List<Pair<Integer, Protocol>>> pathCache = new HashMap<>();
     private static List<Protocol> registerList = new ArrayList<>();
+    public static final Protocol BASE_PROTOCOL = new BaseProtocol();
 
     static {
+        // Base Protocol
+        registerProtocol(BASE_PROTOCOL, Arrays.<Integer>asList(), -1);
         // Register built in protocols
         registerProtocol(new Protocol1_9TO1_8(), Collections.singletonList(ProtocolVersion.v1_9.getId()), ProtocolVersion.v1_8.getId());
         registerProtocol(new Protocol1_9_1TO1_9(), Arrays.asList(ProtocolVersion.v1_9_1.getId(), ProtocolVersion.v1_9_2.getId()), ProtocolVersion.v1_9.getId());