Merge pull request #722 from tomhughes/bbox-fail

Clear the bounds in Protocol.BBOX when a load fails (r=bartvde)

lib/OpenLayers/Strategy/BBOX.js

@@ -262,6 +262,7 @@ OpenLayers.Strategy.BBOX = OpenLayers.Class(OpenLayers.Strategy, {
      */
     merge: function(resp) {
         this.layer.destroyFeatures();
+        if (resp.success()) {
             var features = resp.features;
             if(features && features.length > 0) {
                 var remote = this.layer.projection;
@@ -277,6 +278,9 @@ OpenLayers.Strategy.BBOX = OpenLayers.Class(OpenLayers.Strategy, {
                 }
                 this.layer.addFeatures(features);
             }
+        } else {
+            this.bounds = null;
+        }
         this.response = null;
         this.layer.events.triggerEvent("loadend", {response: resp});
     },