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From Ashish Mukherjee <ashish.mukher...@gmail.com>
Subject Re: Unable to set custom header
Date Tue, 06 Oct 2015 10:11:33 GMT
Error log does not show anything. It's almost as if that piece of code
never existed!

The request is already being created by mod_proxy. I am just trying to
append some request headers.

On Tue, Oct 6, 2015 at 3:25 PM, Jie Gao <J.Gao@sydney.edu.au> wrote:

> * Ashish Mukherjee <ashish.mukherjee@gmail.com> wrote:
>
> > Date: Tue, 6 Oct 2015 15:06:21 +0530
> > From: Ashish Mukherjee <ashish.mukherjee@gmail.com>
> > To: Jie Gao <J.Gao@sydney.edu.au>
> > CC: modperl@perl.apache.org, sourabh.d.v@smartinsight.jp
> > Subject: Re: Unable to set custom header
> >
> > Yes, I used that code just to try with foo => bar first, before doing
> > anything more complex. err_headers_out() does not work either. Should I
> set
> > this handler in some other phase?
>
> Your code does not seem to complete the response. Try to do it properly,
> by setting the content type and print a body, etc.
>
> Also anything in the error log that would suggest why it did not work?
>
>
> -Jie
>
>
> > On Tue, Oct 6, 2015 at 2:53 PM, Jie Gao <J.Gao@sydney.edu.au> wrote:
> >
> > > Please think of our environment and only print this e-mail if
> necessary.
> > >
> > > * Ashish Mukherjee <ashish.mukherjee@gmail.com> wrote:
> > >
> > > > Date: Tue, 6 Oct 2015 14:36:32 +0530
> > > > From: Ashish Mukherjee <ashish.mukherjee@gmail.com>
> > > > To: modperl@perl.apache.org
> > > > CC: sourabh.d.v@smartinsight.jp
> > > > Subject: Unable to set custom header
> > > >
> > > > Hello,
> > > >
> > > > I am trying to set a custom header through a mod_perl handler.
> > > >
> > > > My perl handler code is:
> > > >
> > > > sub handler {
> > > >     my $r = shift;
> > > >
> > > >     $r->headers_out->add("foo" => "bar");
> > > >     $r->log->error($r->connection->remote_ip()." is client
IP");
> > > >
> > > >     return Apache2::Const::OK;
> > > > }
> > > >
> > > > The handler gets called as I am able to see the log message, but the
> > > header
> > > > is not emitted.
> > >
> > > Is this the actual code you used? The response headers set by
> > > "headers_out" get cleared if there is an error, nor do they persist
> across
> > > internal redirects.
> > >
> > > You might want to try err_headers_out instead, depending on the
> > > circumstances.
> > >
> > > Regards,
> > >
> > >
> > >
> > > Jie
> > >
> > >
> > > > My Apache configuration is -
> > > >
> > > >   ProxyRequests On
> > > >   ProxyVia On
> > > >   ProxyRemote * http://localhost:3128
> > > >
> > > >   SetHandler modperl
> > > >   PerlPostReadRequestHandler +Foo::Proxy
> > > >
> > > >   <Location />
> > > >             ProxyPass http://www.something.com/
> > > >             ProxyPassReverse http://www.something.com/
> > > >    </Location>
> > > >
> > > > When I do the same through mod_header like this it works -
> > > >
> > > > RequestHeader set foo bar
> > > >
> > > > I want foo: bar to go as a header in the HTTP request to my proxy on
> port
> > > > 3128.
> > > >
> > > > Can anyone advise why my perl handler doesn't work when it should be
> > > doing
> > > > the same thing as mod_headers?
> > > >
> > > > Regards,
> > > > Ashish
> > >
>

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