On September 24, 2011 22:23 , Suneet Shah <suneetshah2000@xxxxxxxxx> wrote:No, the problem is that the rewrite rule you have above tests for a path component that exactly matches /test_rpc/ with nothing before it and nothing after it. The URL you are testing with has a path component of /test_rpc/header.jsp -- so this does not match, the rewrite rule does not get invoked, and the 'var1' environment variable does not get set.
I made the change that you described below. Now the tkn header is coming in as null. Have I made an error in assigning the tkn to var1?
URL -> http://localhost/test_rpc/header.jsp?tkn=abc
Header value -> tkn: (null)
RewriteCond %{QUERY_STRING} tkn=(.*)
RewriteRule ^/test_rpc/$ [E=var1:%1]
RequestHeader append tkn %{var1}e
To get a rewrite rule that tests for the correct thing, see https://httpd.apache.org/docs/2.2/rewrite/ in particular the "Introduction to regular expressions and mod_rewrite" section.
Also, you appear to be missing the second argument of the rewrite rule. If you don't want to perform a substitution, then the substitution argument (the argument after the pattern argument and before the flags argument) needs to be a single dash ("-" without the quotes).
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