Hi everyone, I’m learning how to extend Discourse serializers, and I ran into a behavior that I don’t fully understand. I added this code to override PostSerializer#raw: require_dependency "post_serializer" class ::PostSerializer def raw if scope.can_edit?(object) object.raw else…

This is a feature of Ruby. When you use class ::PostSerializer, you are overriding the definition in the original class instead of inheriting from it. Because you are not inheriting from PostSerializer, super cannot find the corresponding method. You should use prepend instead of reopening an alrea…

Why does calling super in PostSerializer#raw cause a 500 error while calling object.raw works?

Dev

RGJ (Richard - Communiteq) December 5, 2025, 3:18pm 4

You want to use add_to_serializer instead.

E.g. How to add user data to the post serializer?

Topic		Replies	Views
500 internal server error when updating a post by id Dev	1	32	November 21, 2025
User can't post: 500 internal server error Support	12	1349	April 18, 2018
Edits not displayed and timing out Bug fixed	12	204	November 9, 2024
Plugin working locally But not in live Dev	8	1757	April 16, 2020
Update a Post, via API PUT: request Dev rest-api	7	2188	October 31, 2023

Why does calling super in PostSerializer#raw cause a 500 error while calling object.raw works?

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