[wp-trac] [WordPress Trac] #38409: Customize: Failed to execute 'postMessage' on 'DOMWindow'

[WordPress Trac]

#38409: Customize: Failed to execute 'postMessage' on 'DOMWindow'
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 Reporter:  feedmymedia   |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Customize     |    Version:  trunk
 Severity:  normal        |   Keywords:
  Focuses:                |
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 Guys, I'm receiving this message in my console when I try to use
 Customizer:

 `customize-base.js?ver=4.7-alpha-38178-src:753`

 `Failed to execute 'postMessage' on 'DOMWindow': The target origin
 provided ('http://tests.mamp') does not match the recipient window's
 origin ('http://tests.mamp:8888').`

 As you can see, I'm running a localhost with a specific port. I can change
 the port for this test if this issue happens only for me.

 I downloaded from the master branch few minutes ago:
 git://develop.git.wordpress.org/

 Thank you! And sorry if this issue is not appropriated here.

 Screenshot:
 [[Image(https://cloud.githubusercontent.com/assets/804109/19532402/4e85c604
 -961a-11e6-9cb4-e70082e80c25.png)]]

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Ticket URL: <https://core.trac.wordpress.org/ticket/38409>
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