src/java.httpclient/share/classes/java/net/http/SSLTunnelConnection.java

@@ -128,16 +128,12 @@
         }
         return l;
     }
 
     @Override
-    void close() {
-        try {
-            //System.err.println ("Closing: " + this);
-            delegate.channel().close(); // TODO: proper close
-        } catch (IOException ex) {
-        }
+    public void close() {
+        Utils.close(delegate.channel());
     }
 
     @Override
     protected ByteBuffer readImpl(int length) throws IOException {
         ByteBuffer buf = sslDelegate.allocate(BufType.PACKET, length);