diff -Nru littleproxy-0.4/src/test/java/org/littleshoot/proxy/ChannelAdapter.java littleproxy-0.4-gil/src/test/java/org/littleshoot/proxy/ChannelAdapter.java
--- littleproxy-0.4/src/test/java/org/littleshoot/proxy/ChannelAdapter.java	2011-06-02 03:29:47.000000000 +0200
+++ littleproxy-0.4-gil/src/test/java/org/littleshoot/proxy/ChannelAdapter.java	2012-08-08 05:19:04.167623275 +0200
@@ -130,4 +130,12 @@
         return 0;
     }
 
+    public void setAttachment(Object attachment) {
+        throw new RuntimeException("Not implemented method setAttachment(Object)");
+    }
+
+    public Object getAttachment() {
+        throw new RuntimeException("Not implemented method getAttachment()");
+    }
+
 }
diff -Nru littleproxy-0.4/src/test/java/org/littleshoot/proxy/ChannelFutureAdapter.java littleproxy-0.4-gil/src/test/java/org/littleshoot/proxy/ChannelFutureAdapter.java
--- littleproxy-0.4/src/test/java/org/littleshoot/proxy/ChannelFutureAdapter.java	2011-06-02 03:29:47.000000000 +0200
+++ littleproxy-0.4-gil/src/test/java/org/littleshoot/proxy/ChannelFutureAdapter.java	2012-08-08 05:24:45.180983620 +0200
@@ -94,4 +94,17 @@
         return false;
     }
 
+    public ChannelFuture syncUninterruptibly() {
+        throw new RuntimeException("Not implemented method syncUninterruptibly()");
+    }
+
+    public ChannelFuture sync() throws InterruptedException {
+        throw new RuntimeException("Not implemented method sync()");
+    }
+
+    @Deprecated
+    public ChannelFuture rethrowIfFailed() throws Exception {
+        throw new RuntimeException("Not implemented method rethrowIfFailed()");
+    }
+
 }