ajax: improved error messages for failed ajax calls.

rhodecode/public/js/src/rhodecode/codemirror.js

@@ -81,7 +81,8 b' var CodeMirrorLoadUserHints = function(q'
     triggerHints(userHintsCache[query]);
   })
   .fail(function(data, textStatus, xhr) {
-    alert("error processing request: " + textStatus);
+      alert("error processing request. \n" +
+            "Error code {0} ({1}).".format(data.status, data.statusText));
   });
 };
 

rhodecode/public/js/src/rhodecode/utils/ajax.js

@@ -46,7 +46,8 b' var ajaxGET = function(url, success, fai'
     if (failure) {
       failure(data, textStatus, xhr);
     } else {
-      alert("error processing request: " + textStatus);
+      alert("Error processing request. \n" +
+            "Error code {0} ({1}).".format(data.status, data.statusText));
     }
   });
   return request;
@@ -63,7 +64,8 b' var ajaxPOST = function(url, postData, s'
     if (failure) {
       failure(data, textStatus, xhr);
     } else {
-      alert("error processing request: " + textStatus);
+      alert("Error processing request. \n" +
+            "Error code {0} ({1}).".format(data.status, data.statusText));
     }
   });
   return request;