'Exception: ActionDispatch::Http::MimeNegotiation::InvalidType

I have error report in Sentry. How can I fix it?

ActionDispatch::Http::MimeNegotiation::InvalidType

{#context['com.opensymphony.xwork2.dispatcher.httpservletresponse'].addheader('o0scxl85'" is not a valid MIME type

Most recent lines of logs are:

actionpack (6.1.4.1) lib/action_dispatch/http/mime_negotiation.rb in rescue in block in content_mime_type at line 31

actionpack (6.1.4.1) lib/action_dispatch/http/mime_negotiation.rb in block in content_mime_type at line 24

rack (2.2.3) lib/rack/request.rb in fetch at line 69 rack (2.2.3) lib/rack/request.rb in fetch_header at line 69

ruby-on-railssentry


Solution 1:[1]

[It will be helpful if you post the version of rails & sentry.]

As per my knowledge, latest versions of sentry-ruby already ignore this exception. Please check the commit. So, upgrading the sentry-ruby should solve your problem. If you wan't to handle it yourself, you need to add a custom middleware that catches the exception and send the response.

Reference: https://github.com/rails/rails/pull/35604#issuecomment-835274505

Sources

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Source: Stack Overflow

Solution Source
Solution 1 benpickles

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