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<title>libapreq2-2.04-dev: libapreq2: FAQ</title>
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<a href="http://www.apache.org/">Apache Software Foundation</a> > <a href="http://httpd.apache.org">HTTP Server Project</a> >
<a href="http://httpd.apache.org/apreq/">Request Library Subproject</a></p>
<p class="apache">Apache HTTP Server Request Library</p>
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<h1><a class="anchor" name="apreq_faq">FAQ</a></h1>
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<ul>
<li><a href="#issues_during_installation_">Issues during installation.</a></li>
<li><a href="#using_libapreq2_with_apache_2_and_mod_perl_2_">Using libapreq2 with Apache 2 and mod_perl 2.</a></li>
<ul>
<li><a href="#when_i_use_apache__request_in_my_output_filter__it_seems_to_lose_the_incoming_post_variables_">When I use Apache::Request in my output filter, it seems to lose the incoming POST variables.</a></li>
<li><a href="#when_i_try_to_upload_a_file__why_do_i_get_this_error__error__can_t_locate_____apache_request_upload_al_in__inc">When I try to upload a file, why do I get this error ``[error] Can't locate .../Apache/Request/upload.al in @INC''?</a></li>
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<li><a href="#using_libapreq2_outside_of_apache_">Using libapreq2 outside of Apache.</a></li>
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<h1><a name="issues_during_installation_">Issues during installation.</a></h1>
<p>[...]</p>
<p>
</p>
<hr />
<h1><a name="using_libapreq2_with_apache_2_and_mod_perl_2_">Using libapreq2 with Apache 2 and mod_perl 2.</a></h1>
<p>
</p>
<h2><a name="when_i_use_apache__request_in_my_output_filter__it_seems_to_lose_the_incoming_post_variables_">When I use Apache::Request in my output filter, it seems to lose the incoming POST variables.</a></h2>
<p>The problem is likely that the mod_apreq filter has not been
added to the input filter chain in time to read the POST data.</p>
<p>There are two solutions to this problem:</p>
<pre>
1) Write a filter init handler for you filter that instantiates an Apache::Request object.</pre>
<pre>
<a href="http://perl.apache.org/docs/2.0/api/Apache/Filter.html#C_FilterInitHandler_">http://perl.apache.org/docs/2.0/api/Apache/Filter.html#C_FilterInitHandler_</a></pre>
<pre>
2) Use .htaccess or your server config to ensure the apreq input filter
is active for this request with "AddInputFilter APREQ" or somesuch.</pre>
<p>We recommend using (1), and falling back to (2) until you get (1) working.</p>
<p>
</p>
<h2><a name="when_i_try_to_upload_a_file__why_do_i_get_this_error__error__can_t_locate_____apache_request_upload_al_in__inc">When I try to upload a file, why do I get this error ``[error] Can't locate .../Apache/Request/upload.al in @INC''?</a></h2>
<p><em>Apache::Upload</em> is now a separate module in apreq2, so you need to
<code>use Apache::Upload</code> to load the <code>Apache::Request::upload</code> function.</p>
<p>
</p>
<hr />
<h1><a name="using_libapreq2_outside_of_apache_">Using libapreq2 outside of Apache.</a></h1>
<p>[...]</p>
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