check console, there are must be an error, at least i have one
23:50:49.116 [error]
{function_clause,[{boss_json,json_data1,[[{greeting,"greeting-16","2"}],[],[]],[{file,"src/boss/boss_json.erl"},{line,23}]},{boss_json,json_data1,3,[{file,"src/boss/boss_json.erl"},{line,32}]},{boss_json,encode,2,[{file,"src/boss/boss_json.erl"},{line,9}]},{boss_web_controller,process_action_result,4,[{file,"src/boss/boss_web_controller.erl"},{line,1050}]},{boss_web_controller,execute_action,4,[{file,"src/boss/boss_web_controller.erl"},{line,882}]},{boss_web_controller,process_dynamic_request,4,[{file,"src/boss/boss_web_controller.erl"},{line,521}]},{boss_web_controller,process_request,4,[{file,"src/boss/boss_web_controller.erl"},{line,510}]},{timer,tc,3,[{file,"timer.erl"},{line,194}]}]}
if u have the same, then go to boss_json and check it.
best
On Tuesday, January 14, 2014 12:32:50 PM UTC+2, Romu wrote:
>
> Hi,
>
> I was trying the example in CB tutorial "3. Implementing real-time updates
> with save hooks", below is my live.html:
>
> <html><head>
> <title>Fresh hot greetings!</title>
> <script src="
> http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js
> "></script>
> <script>
> function listen_for_events(timestamp) {
> $.ajax("/greeting/pull/"+timestamp, { success:
> function(data, code, xhr) {
> console.log(typeof data.greetings);
> console.log(typeof data.greetings !== 'undefined' ?
> data.greetings.length : 'There is no spoon.');
> for (var i=0; i<data.greetings.length; i++) {
> var msg = data.greetings[i].greeting_text;
> $("#greeting_list").append("<li>"+msg);
> }
> listen_for_events(data.timestamp);
> } });
> }
> $(document).ready(function() {
> listen_for_events({{ timestamp }});
> });
> </script>
> </head>
> <body>
> <ul id="greeting_list">
> {% for greeting in greetings %}
> <li>{{ greeting.greeting_text }}
> {% empty %}
> <li>No greetings!
> {% endfor %}
> </ul>
> </body>
> </html>
>
> When I create a new greeting, the live page does not update with the new
> greeting, in console I see javascript error:
>
> Uncaught TypeError: Cannot read property 'length' of undefined live:10
> $.ajax.success live:10
> c jquery.js:3048
> p.fireWith jquery.js:3160
> k jquery.js:8235
> r jquery.js:8778
>
> Actually 'data' is undefined here.
>
> Browser is Chrome 32.0.1700.72 m. I also tried jquery 1.70 and 2.0.3,
> same issue.
>
> Any idea?
>
>
> Thanks
> Romu
>
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