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HubSpot / jinjava

Jinja template engine for Java
Apache License 2.0
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Add custom serializer for NullValue. #1147

Closed hs-lsong closed 9 months ago

hs-lsong commented 9 months ago

We need to serialize NullValue.

No serializer found for class com.hubspot.jinjava.interpret.NullValue and no properties discovered to create BeanSerializer (to avoid exception, disable SerializationFeature.FAIL_ON_EMPTY_BEANS)
jasmith-hs commented 9 months ago

This shouldn't be necessary if https://github.com/HubSpot/jinjava/pull/1140#discussion_r1439616572 is handled. If you unwrap the NullValue -> null inside of ScopeMap#get() you'll never have to work with a NullValue. As its purpose is just to bypass the ScopeMap parent checking, we can isolate it's behaviour to just affecting the ScopeMap parent checking