THALES GROUP LIMITED DISTRIBUTION to email recipients 

Hello,

Please discard my last post, everything is working well: no issue.
Sorry for the inconvenience.

Best Regards.

-----Original Message-----
From: COURTAULT Francois <francois.courta...@thalesgroup.com.INVALID> 
Sent: dimanche 9 juin 2024 14:01
To: users@tomee.apache.org
Subject: Issue with HTTP big Authorization header 

THALES GROUP LIMITED DISTRIBUTION to email recipients

Hello everyone,

I sent an HTTP GET request towards an application (MP JWT) with a big 
Authorization header almost 8K hosted in TomEE Plus 9.1.3.
At TomEE level I saw this:”The server cannot or will not process the request 
due to something that is perceived to be a client error (e.g., malformed 
request syntax, invalid request message framing, or deceptive request 
routing).</p><p><b>Exception</b></p><pre>java.lang.IllegalArgumentException: 
Request header is too large”

So I have seen that, by default, the maxHttpHeaderSize HTTP Connector property 
is set to 4096.
So I change this value to 16384 like below in the server.xml:
    <Connector port="8080" protocol="HTTP/1.1"
               maxHttpHeaderSize="16384"
               connectionTimeout="20000"
               redirectPort="8443"  maxParameterCount="1000" xpoweredBy="false" 
server="Apache TomEE" />

Then I sent again the same HTTP request with the same big Authorization HTTP 
header. This time, I got nothing on TomEE side, but at client side, using curl 
to send the GET HTTP request, I got:
* Mark bundle as not supporting multiuse < HTTP/1.1 403 < Date: Sun, 09 Jun 
2024 11:50:20 GMT < Content-Length: 0 < Server: Apache TomEE <
* Connection #0 to host localhost left intact

Any idea on what’s going wrong ?
Any idea on how can we troubleshoot this issue ? 403 returned but we don’t know 
why ☹ Could it be a problem when parsing the big JWT ? How can we know at which 
step the request is rejected ?

Best Regards.


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