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400 bad request request header or cookie too large nginx Rails app

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Author: boopage • Date: July 8, 2013

Hi, I am getting 400 bad request request header or cookie too large nginx with my Rails app, restarting browser fixes the issue. I am only storing a string id in my cookie so it should be tiny. Where can I find the nginx error logs? I looked at nano /opt/nginx/logs/error.log, but it doesn’t have anything related.. Any help Thx Leo Tagged In:

There are 4 answers

kamaln7

Mod

July 8, 2013

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Try increasing the large_client_header_buffers directive in nginx,

server {
...
large_client_header_buffers 4 16k;
...
}

kamaln7

Mod

July 8, 2013

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Try clearing your browser's cookies, does that fix it?

boopage July 8, 2013

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Yes, it dose.

But it will come back again. I cannot find anything wrong with my code. So what is the best way to debug this? like I said I cannot find anything in /opt/nginx/logs/error.log

thx
Leo

selfmade_ August 30, 2013

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thanks buddy its fix my issue

Regards,
Owais

s.mokhtari75 September 5, 2014

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[deleted]

400 bad request request header or cookie too large nginx Rails app

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