Question

I’m using an Ext.data.JsonReader defined like so:

new Ext.data.JsonReader ( {
totalProperty: ‘totalCount’,
successProperty: ‘success’,
idProperty: ‘id’,
root: ‘data’,
messageProperty: ‘message’
},

[{ name: ‘id’ },
{ name: ‘a’},
{ name: ‘b’},
{ name: ‘c’},
{name: ‘d’},
{name: ‘e’},
{name: ‘f’}
])};

to read a message defined that comes in looking something like this:

({“totalCount”: 1,
“message”:”Loaded data”,
“success”:true,
“data”:
[{“id”:”1″,
“a”:””,
“b”:””,
“c”:””,
“d”:”0″}]
})

I’m catching the exception in a function along these lines:

Ext.data.DataProxy.addListener(‘exception’, function (proxy, type, action, options, res) {
ExtJSUtils.App.setAlert(false, ‘An error occurred while executing ‘ + action);
});

Any pointers on where I might find what kind of exception I’m looking at, or what the problem might be?

The discrepancy in number of items expected by the Json reader, I’m told, is not the cause of my problems.

Answer 1

The documentation on the Ext website lists all of the information that can be obtained about this error. It doesn’t help much, but is all that I have been able to find.