[wp-trac] [WordPress Trac] #22037: Live preview fetches page but does not display

[WordPress Trac]

#22037: Live preview fetches page but does not display
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 Reporter:  marcoliverteschke  |       Owner:
     Type:  defect (bug)       |      Status:  new
 Priority:  normal             |   Milestone:  Awaiting Review
Component:  Appearance         |     Version:  3.4.2
 Severity:  normal             |  Resolution:
 Keywords:                     |
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Comment (by wdfee):

 I guess I'm the only one here who can compare directly: on my local site
 the customizer works, on remote it is blank. Like marcoliverteschke wrote,
 the POST is there, with firebug you can even see changes made by
 customizer in net or console panel -> POST -> HTML. It seems that just the
 iframe is not appended to the customizer-preview div.
 using rev 22313 now (both on remote an local) with script debug on and
 theme twenty twelve on multisite main site.

 I'm no expert in js script analysing - so maybe the developers here could
 give me a hint where to look at?
 firebug console -> timeline confuses me a bit, so I used Safari-> web
 developer -> timeline:

 remote network requests stop at after type: XHR
 on local the next request after that would be type: Document about:blank

 js requests stop on remote after 3times event "readystatechange" in
 jquery.js line 2
 on local next js request would be script jquery.js


 Uuh, wait, it is working on Windows7 / Google Chrome Browser!
 So it seems to be a combination between browser specific and server.
 In Windows7 / IE 9 it doesn't work and the URL in the browser address line
 stays on .../wp-admin/themes.php# instead of .../wp-admin/customize.php
 With Mac 10.7.5 / Safari and Firefox it works on local but not on remote.

 I could send you login details per PN or email for the remote site, if you
 want to test.

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Ticket URL: <http://core.trac.wordpress.org/ticket/22037#comment:4>
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