[wp-trac] [WordPress Trac] #62711: `external-http` test failures in 4.1-4.5 branches

[WordPress Trac]

#62711: `external-http` test failures in 4.1-4.5 branches
--------------------------+--------------------
 Reporter:  desrosj       |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  6.8
Component:  Security      |    Version:
 Severity:  normal        |   Keywords:
  Focuses:                |
--------------------------+--------------------
 A new test failure has started occurring in the 4.5 branch and earlier.


 {{{
 1) Tests_HTTP_streams::test_ssl
 stream_socket_client(): SSL operation failed with code 1. OpenSSL Error
 messages:
 error:14090086:SSL routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify
 failed

 /var/www/src/wp-includes/class-wp-http-streams.php:150
 /var/www/src/wp-includes/class-http.php:433
 /var/www/src/wp-includes/class-http.php:342
 /var/www/src/wp-includes/class-http.php:496
 /var/www/src/wp-includes/http.php:170
 /var/www/tests/phpunit/tests/http/base.php:387
 }}}

 On December 2, w.org switched to using Lets Encrpyt, which seems to be
 causing the problem.

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Ticket URL: <https://core.trac.wordpress.org/ticket/62711>
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