RequestHeaderSectionTooLarge error for an RTD website

[arsalanakhter]

Details

Some users are not able to access the website, and instead are met with an error around RequestHeaderSectionTooLarge

• Read the Docs project URL: https://app.readthedocs.com/projects/northeastern-university-rc-public-documentation/

Expected Result

When clicked on this website link, https://rc-docs.northeastern.edu/en/latest/, the website should open normally. It does for most of the users.

Actual Result

Some users get the following result instead (for example)

This XML file does not appear to have any style information associated with it. The document tree is shown below.
<Error>
<Code>RequestHeaderSectionTooLarge</Code>
<Message>Your request header section exceeds the maximum allowed size.</Message>
<MaxSizeAllowed>8192</MaxSizeAllowed>
<RequestId>FFNBGW8BAAZX8H66</RequestId>
<HostId>1Q9CFguC9FnE45MjTslTo7IjVDhLgb2Td9m5EGRQwyv2B0ZhVfDbDMFqpbVG3MYnf/R/3uFvBgE=</HostId>
</Error>

Removing cookies might be a solution, but a user says it's not making a difference on their end. If there could be a way for this to not happen in the first place, that might be useful.

[humitos]

When clicked on this website link, rc-docs.northeastern.edu/en/latest, the website should open normally. It does for most of the users.

It works fine for me. I'm not able to reproduce the error reported.

Do you know a specific way to reproduce this error that we can follow?

[arsalanakhter]

Yeah that's the hard part. It works for most of the users and the issue is hard to reproduce.

[humitos]

We will need a way to reproduce the issue to be able to debug it and fix it. If you figure it out how to reproduce it, please share it here.