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=encoding utf-8


=head1 Name


chunked_encoding_from_backend


=head1



B<Q:>
My backend server appears to send HTTPE<sol>1.0 responses using
chunked encoding but nginx doesn’t handle it correctly.
For instance, I’m using nginx as a frontend to my node.js
application and instead of pure JSON from backend, nginx
returns something framed in decimal numbers like


    
    47
    {"error":"query error","message":"Parameter(s) missing: user,password"}
    0








E<nbsp>





B<A:>
Your backend violates HTTP specification (see
L<RFC 2616,
"3.6 Transfer Codings"|https://datatracker.ietf.org/doc/html/rfc2616#section-3.6>).
The "chunked" transfer-codings must not be used with HTTPE<sol>1.0.
You’d need to either fix your backend application or upgrade
to nginx version 1.1.4 and newer, where an additional code
was introduced to handle such erratic backend behavior.