the capabilities needs to be sent properly encoded.Capabilities for mobile for instance have copyright signs.

Author: freynaud

java/server/src/org/openqa/grid/internal/utils/SelfRegisteringRemote.java

@@ -249,7 +249,7 @@ private void registerToHub(boolean checkPresenceFirst) {
         BasicHttpEntityEnclosingRequest r =
             new BasicHttpEntityEnclosingRequest("POST", registration.toExternalForm());
         String json = nodeConfig.toJSON();
-        r.setEntity(new StringEntity(json));
+        r.setEntity(new StringEntity(json,"UTF-8"));
 
         HttpHost host = new HttpHost(registration.getHost(), registration.getPort());
         HttpResponse response = client.execute(host, r);