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Apache 406 Not Acceptable when specifying Accept: header

Tags:

php

apache

I've tried to find a solution for this myself but solutions to other 406 problems haven't helped me.

I have enabled PHP and the Apache web server on my Mac. I have found that if I pass a request (POST or GET) with the Accept: header set, then it fails with a 406 error:

$ curl -X GET -H "Accept: application/json" http://localhost/test/tester
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>406 Not Acceptable</title>
</head><body>
<h1>Not Acceptable</h1>
<p>An appropriate representation of the requested resource /test/tester could not be found on this server.</p>
Available variants:
<ul>
<li><a href="tester.php">tester.php</a> , type application/x-httpd-php</li>
</ul>
</body></html>

However, if I exclude the "Accept: application/json" the request executes without error.

I tried adding this test/tester.var (in the same dir as test/tester.php):

URI: tester

Content-type: application/json
URI: tester.php

My intention was to direct Apache to handle request with "Accept: application/json" by executing tester.php. But it hasn't helped me (I also added 'AddHandler type-map .var' under 'IfModule mime_module' inside my httpd.conf file and restarted the server).

'mod_security' doesn't appear to be configured, but I added the following .htaccess to my test/ directory anyways:

<IfModule mod_security.c>
SecFilterEngine Off
SecFilterScanPOST Off
</IfModule>

These are solutions that I found on the net by none have worked for me.

Any ideas?

like image 258
Daniel Pietsch Avatar asked Mar 21 '13 03:03

Daniel Pietsch


People also ask

How do I fix HTTP 406 not acceptable?

The primary way to address and fix a 406 error is by checking the source code for issues in the Accept-, Request-, and Response- headers. The easiest way to review Accept- and Response- headers is to open a webpage in your browser, right-click, and select Inspect.

What does 406 not acceptable?

The HyperText Transfer Protocol (HTTP) 406 Not Acceptable client error response code indicates that the server cannot produce a response matching the list of acceptable values defined in the request's proactive content negotiation headers, and that the server is unwilling to supply a default representation.


1 Answers

I finally figured out a fix! As I suspected, *mod_security* had nothing to do with my problem.

Here are the changes that I made to /etc/apache2/httpd.conf:

  1. Enabled type maps in by uncommenting "AddHandler type-map var" line in the "IfModule mime_module" section.
  2. Added the following two lines to the "IfModule mime_module" section:

    AddType application/x-httpd-php .php
    MultiviewsMatch Handlers Filters
    

In my PHP source directory, I created a tester.var in the same directory as tester.php with the contents:

    Content-type: application/json
    URI: tester.php

It's all good now.

like image 83
Daniel Pietsch Avatar answered Oct 31 '22 03:10

Daniel Pietsch