catching action pack errors. Fixes #942

src/main/java/carpet/mixins/ServerPlayerEntityMixin.java

@@ -1,5 +1,6 @@
 package carpet.mixins;
 
+import carpet.CarpetSettings;
 import carpet.fakes.ServerPlayerEntityInterface;
 import carpet.helpers.EntityPlayerActionPack;
 import com.mojang.authlib.GameProfile;
@@ -34,9 +35,21 @@ public abstract class ServerPlayerEntityMixin implements ServerPlayerEntityInter
 
     @Inject(method = "tick", at = @At(value = "HEAD"))
     private void onTick(CallbackInfo ci)
+    {
+        try
         {
             actionPack.onUpdate();
         }
+        catch (StackOverflowError soe)
+        {
+            CarpetSettings.LOG.fatal("Caused stack overflow when performing player action");
+        }
+        catch (Throwable exc)
+        {
+            CarpetSettings.LOG.fatal("Error executing player tasks "+ exc.getMessage());
+            exc.printStackTrace();
+        }
+    }