Interesting. I appreciate the feedback! So far I have basic proxying
working nicely in LWP, so I'm only delayed about a week.
I ran into Apache segfaults too when using subrequests. I debugged it by
adding logging points throughout my code, and if a segfault was hit
after a specific log point, I knew the segfault was caused by the code
that came after the one particular log point.
In my case, it turned out to be how I was passing subrequest headers off
to a filter. I was able to replace the filter with a while loop, and
that got rid of the segfaults for me. I realize not everyone can replace
their filters with while loops, but that's what worked for me!
Thanks again, Torsten and Andre, for your wisdom and experience. I
deeply appreciate it! =)
Warm Regards,
Jordan Michaels
On 12/15/2011 11:40 PM, André Warnier wrote:
Hi.
If it may contribute something to the question :
I have a case where, within a response handler, I need to make a call to
a back-end Tomcat through mod_jk (a simple GET, not a POST). I initially
tried to do this through a sub-request, and was getting segfaults in
Apache for my trouble.
Rather than investigating this, I switched to making the call through
LWP, and it has been working fine for a couple of years, on a variety of
systems and Apache versions.
Jordan Michaels wrote:
Well, I do need mod_rewrite to be run. A lot of our users use SES
url's and then use rewrite rules to parse them out. I also have
specific requests to leave .htaccess functionality in there (for
secured directories and so forth).
So yeah, the more typical Apache functionality we can leave in the
better. It's a pretty tall order.
I've configured my perl module using AddHandler in Apache, like so:
AddHandler perl-script [my file extensions]
PerlRequire /path/to/mymod.pm
PerlHandler mymod
and that seems to allow me to do everything I'm needing to do so far,
but I admit I haven't tested it thoroughly so far. I'm still trying to
get POST data passed.
Thank you again, very much, for your help!
Warm Regards,
Jordan Michaels
On 12/15/2011 12:17 PM, Torsten Förtsch wrote:
On Thursday, 15 December 2011 12:09:05 Jordan Michaels wrote:
The module I'm working on updates the headers and proxies the requests
for specific file types off to Tomcat HTTP and AJP ports.
Then maybe you don't need subrequests at all. A translation handler
may be
sufficient. Even an internal redirect will do if invoked before the
response
phase. (The core response handler calls ap_discard_request_body.)
Torsten Förtsch
