[wp-trac] [WordPress Trac] #42442: Install & Preview of themes doesn't work.

[WordPress Trac]

#42442: Install & Preview of themes doesn't work.
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 Reporter:  atachibana               |       Owner:  westonruter
     Type:  defect (bug)             |      Status:  assigned
 Priority:  normal                   |   Milestone:  4.9
Component:  Customize                |     Version:  trunk
 Severity:  normal                   |  Resolution:
 Keywords:  has-patch needs-testing  |     Focuses:  javascript
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Comment (by atachibana):

 @westonruter

 It might be my environment failure, but unfortunately I cannot confirm the
 fix.
 Anyone? @dd32 ?

 I tried it on VVV & VCCW 4.9-RC1-42117.

 '''Wordaround'''
 If I do once 'Live Preview' for any installed theme, then 'Install &
 Preview' runs successfully.

 In my logger (see comment:3)


 {{{
 [Trace] Trying to get property of non-object

 Summary:
 type    8
 message Trying to get property of non-object
 file    /var/www/html/wp-includes/class-wp-customize-manager.php
 line    5451

 Environment Variables:
 REMOTE_ADDR     192.168.33.1
 HTTP_X_FORWARDED_FOR
 HTTP_CLIENT_IP
 HTTP_USER_AGENT Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:52.0)
 Gecko/20100101 Firefox/52.0
 HTTP_HOST       vccw.test
 REQUEST_URI     /wp-admin/admin-ajax.php

 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/42442#comment:12>
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