[wp-trac] [WordPress Trac] #42805: Crash customiser if 'theme_mods_themename' option_value contains wrong url

[WordPress Trac]

#42805: Crash customiser if 'theme_mods_themename' option_value contains wrong url
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 Reporter:  drivdigital        |       Owner:
     Type:  defect (bug)       |      Status:  new
 Priority:  normal             |   Milestone:  Awaiting Review
Component:  Customize          |     Version:  4.9.1
 Severity:  normal             |  Resolution:
 Keywords:  reporter-feedback  |     Focuses:
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Comment (by drivdigital):

 This also applies if you change your domain / url. You're able to change
 the URL within the Settings. What I'm thinking is that rather than failing
 (because it's javascript based), should there be a check to see if the
 image exists before outputting an error?

 Our migration process usually ends up with blue velvet plugin doing it's
 magic. This ticket is more for the fact that this shouldn't output an
 error within javascript which causes the whole page to fail.

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Ticket URL: <https://core.trac.wordpress.org/ticket/42805#comment:3>
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