log all failed ajax API requests

IPython/html/static/base/js/utils.js

@@ -487,6 +487,18 b' IPython.utils = (function (IPython) {'
             return false;
         }
     }
+    
+    var log_ajax_error = function (jqXHR, status, error) {
+        // log ajax failures with informative messages
+        var msg = "API request failed (" + jqXHR.status + "): ";
+        console.log(jqXHR);
+        if (jqXHR.responseJSON && jqXHR.responseJSON.message) {
+            msg += jqXHR.responseJSON.message;
+        } else {
+            msg += jqXHR.statusText;
+        }
+        console.log(msg);
+    };
 
     return {
         regex_split : regex_split,
@@ -506,7 +518,8 b' IPython.utils = (function (IPython) {'
         browser : browser,
         platform: platform,
         is_or_has : is_or_has,
-        is_focused : is_focused
+        is_focused : is_focused,
+        log_ajax_error : log_ajax_error,
     };
 
 }(IPython));

IPython/html/static/notebook/js/notebook.js

@@ -1885,7 +1885,8 b' var IPython = (function (IPython) {'
                     ),
                     '_blank'
                 );
-            }
+            },
+            error : utils.log_ajax_error,
         };
         var url = utils.url_join_encode(
             base_url,
@@ -1913,7 +1914,8 b' var IPython = (function (IPython) {'
                     data.path,
                     data.name
                 ), '_blank');
-            }
+            },
+            error : utils.log_ajax_error,
         };
         var url = utils.url_join_encode(
             base_url,
@@ -1956,6 +1958,7 b' var IPython = (function (IPython) {'
             cache : false,
             type : "DELETE",
             dataType: "json",
+            error : utils.log_ajax_error,
         };
         var url = utils.url_join_encode(
             this.base_url,
@@ -2374,7 +2377,7 b' var IPython = (function (IPython) {'
         $.ajax(url, {
             type: 'DELETE',
             success: $.proxy(this.delete_checkpoint_success, this),
-            error: $.proxy(this.delete_notebook_error,this)
+            error: $.proxy(this.delete_notebook_error, this)
         });
     };
     

IPython/html/static/services/kernels/js/kernel.js

@@ -397,7 +397,8 b' var IPython = (function (IPython) {'
             this.running = false;
             var settings = {
                 cache : false,
-                type : "DELETE"
+                type : "DELETE",
+                error : utils.log_ajax_error,
             };
             $.ajax(utils.url_join_encode(this.kernel_url), settings);
         }

IPython/html/static/services/sessions/js/session.js

@@ -43,6 +43,7 b' var IPython = (function (IPython) {'
                     callback(data, status, xhr);
                 }
             },
+            error : utils.log_ajax_error,
         };
         var url = utils.url_join_encode(this.base_url, 'api/sessions');
         $.ajax(url, settings);
@@ -63,6 +64,7 b' var IPython = (function (IPython) {'
             type : "PATCH",
             data: JSON.stringify(model),
             dataType : "json",
+            error : utils.log_ajax_error,
         };
         var url = utils.url_join_encode(this.base_url, 'api/sessions', this.id);
         $.ajax(url, settings);
@@ -74,6 +76,7 b' var IPython = (function (IPython) {'
             cache : false,
             type : "DELETE",
             dataType : "json",
+            error : utils.log_ajax_error,
         };
         this.kernel.running = false;
         var url = utils.url_join_encode(this.base_url, 'api/sessions', this.id);

IPython/html/static/tree/js/clusterlist.js

@@ -49,7 +49,8 b' var IPython = (function (IPython) {'
             cache : false,
             type : "GET",
             dataType : "json",
-            success : $.proxy(this.load_list_success, this)
+            success : $.proxy(this.load_list_success, this),
+            error : utils.log_ajax_error,
         };
         var url = utils.url_join_encode(this.base_url, 'clusters');
         $.ajax(url, settings);
@@ -129,8 +130,9 b' var IPython = (function (IPython) {'
                     success : function (data, status, xhr) {
                         that.update_state(data);
                     },
-                    error : function (data, status, xhr) {
+                    error : function (xhr, status, error) {
                         status_col.text("error starting cluster");
+                        utils.log_ajax_error(xhr, status, error);
                     }
                 };
                 status_col.text('starting');
@@ -170,8 +172,8 b' var IPython = (function (IPython) {'
                 success : function (data, status, xhr) {
                     that.update_state(data);
                 },
-                error : function (data, status, xhr) {
-                    console.log('error',data);
+                error : function (xhr, status, error) {
+                    utils.log_ajax_error(xhr, status, error),
                     status_col.text("error stopping cluster");
                 }
             };

IPython/html/static/tree/js/notebooklist.js

@@ -131,7 +131,8 b' var IPython = (function (IPython) {'
             type : "GET",
             dataType : "json",
             success : $.proxy(this.list_loaded, this),
-            error : $.proxy( function(){
+            error : $.proxy( function(xhr, status, error){
+                utils.log_ajax_error(xhr, status, error);
                 that.list_loaded([], null, null, {msg:"Error connecting to server."});
                              },this)
         };
@@ -273,7 +274,8 b' var IPython = (function (IPython) {'
                     dataType : "json",
                     success : function () {
                         that.load_sessions();
-                    }
+                    },
+                    error : utils.log_ajax_error,
                 };
                 var url = utils.url_join_encode(
                     that.base_url,
@@ -313,7 +315,8 b' var IPython = (function (IPython) {'
                                     dataType : "json",
                                     success : function (data, status, xhr) {
                                         parent_item.remove();
-                                    }
+                                    },
+                                    error : utils.log_ajax_error,
                                 };
                                 var url = utils.url_join_encode(
                                     notebooklist.base_url,
@@ -359,9 +362,7 b' var IPython = (function (IPython) {'
                         that.add_link(path, nbname, item);
                         that.add_delete_button(item);
                     },
-                    error : function (data, status, xhr) {
-                        console.log(data, status);
-                    }
+                    error : utils.log_ajax_error,
                 };
 
                 var url = utils.url_join_encode(
@@ -405,7 +406,8 b' var IPython = (function (IPython) {'
                         notebook_name),
                     '_blank'
                 );
-            }
+            },
+            error : utils.log_ajax_error,
         };
         var url = utils.url_join_encode(
             base_url,

IPython/html/static/tree/js/sessionlist.js

@@ -26,7 +26,8 b' var IPython = (function (IPython) {'
             cache : false,
             type : "GET",
             dataType : "json",
-            success : $.proxy(that.sessions_loaded, this)
+            success : $.proxy(that.sessions_loaded, this),
+            error : utils.log_ajax_error,
         };
         var url = utils.url_join_encode(this.base_url, 'api/sessions');
         $.ajax(url, settings);