PR62311: only create the rewritelock when needed

Submitted By: Hank Ibell <hwibell gmail.com>
Committed By: covener



Submitted by: covener
Reviewed by: jailletc36, icing (by inspection), covener


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   in the expression does NOT match. In this case val is NULL
   and we should just set the value for the environment variable
   like in the pattern case.
+1: jailletc36, jim, minfrin


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   an absolute URI on the request line
+1: jailletc36, jim, minfrin


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   trunk patch: http://svn.apache.org/r1843244
+1: elukey, jim, minfrin


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   just like worker.
+1: covener, jim, minfrin


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   connections, and PR 61519 where $HTTPS was incorrect for the
   "SSLEngine optional" case.
+1: jorton, jim, minfrin


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         not cleared beforehand.
+1: icing, jim, minfrin


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This messes-up error handling performed in 'ssl_io_filter_error()'
+1: ylavic, jim, minfrin


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If ProxyPassReverse is used for reverse mapping of relative redirects, subsequent ProxyPassReverse statements, whether they are relative or absolute, may fail.

PR 60408 [Peter Haworth <pmh1wheel gmail.com>]
Submitted by: jailletc36
Reviewed by: jailletc36, rpluem, jim


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