Fix FC compat causing NPE

Happened with the following mod list:

_unimixins-compat-1.7.10-0.1.jar
_unimixins-gtnhmixins-1.7.10-0.1+2.1.9.jar
_unimixins-mixin-1.7.10-0.1+unimix-0.11.6.jar
_unimixins-mixingasm-1.7.10-0.1+0.2.2.jar
_unimixins-spongemixins-1.7.10-0.1+gtnh-2.0.1.jar
fastcraft-1.25.jar
neodymium-1.7.10-0.1.6-7-gd46b730+nomixin.jar

1 files changed, 3 insertions, 2 deletions

diff --git a/src/main/java/makamys/neodymium/util/virtualjar/protocol/neodymiumvirtualjar/Handler.java b/src/main/java/makamys/neodymium/util/virtualjar/protocol/neodymiumvirtualjar/Handler.java
index 9f0fe66..4e156ff 100644
--- a/src/main/java/makamys/neodymium/util/virtualjar/protocol/neodymiumvirtualjar/Handler.java
+++ b/src/main/java/makamys/neodymium/util/virtualjar/protocol/neodymiumvirtualjar/Handler.java
@@ -3,6 +3,7 @@ package makamys.neodymium.util.virtualjar.protocol.neodymiumvirtualjar;
 import static makamys.neodymium.Constants.MODID;
 import static makamys.neodymium.Constants.PROTOCOL;
 
+import java.io.IOException;
 import java.net.URL;
 import java.net.URLConnection;
 import java.net.URLStreamHandler;
@@ -14,11 +15,11 @@ public class Handler extends URLStreamHandler {
     private static final IURLStreamHandlerImpl impl = (IURLStreamHandlerImpl)Launch.blackboard.get(MODID + "." + PROTOCOL + ".impl");
 
     @Override
-    protected URLConnection openConnection(URL url) {
+    protected URLConnection openConnection(URL url) throws IOException {
         return impl.openConnection(url);
     }
 
     public interface IURLStreamHandlerImpl {
-        URLConnection openConnection(URL url);
+        URLConnection openConnection(URL url) throws IOException;
     }
 }