[wp-trac] [WordPress Trac] #34353: redirect_canonical() – Undefined indexes 'host' and 'scheme'

[WordPress Trac]

#34353: redirect_canonical() – Undefined indexes 'host' and 'scheme'
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 Reporter:  theamila                             |       Owner:  (none)
     Type:  defect (bug)                         |      Status:  reopened
 Priority:  normal                               |   Milestone:  Future
                                                 |  Release
Component:  Canonical                            |     Version:  4.3.1
 Severity:  normal                               |  Resolution:
 Keywords:  needs-unit-tests has-patch needs-    |     Focuses:
  testing-info                                   |
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Comment (by Mayhem30):

 For me, most of these errors are coming from bots that are using http 1.0
 and not sending a host header.

 I do see a few http 1.1 requests also triggering the error, but unable to
 find the cause of the issue.

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Ticket URL: <https://core.trac.wordpress.org/ticket/34353#comment:45>
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