WebClient does not write Mono.empty() request body [SPR-17220]

[spring-projects-issues]

Brian Clozel opened SPR-17220 and commented

#19562 introduced a bug where empty Mono bodies are not properly written by EncoderHttpMessageWriter implementations. See the linked Spring Boot issue for a sample application demonstrating this problem.

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Affects: 5.0.8

Reference URL: spring-projects/spring-boot#14174

Issue Links:

• HTTP GET from Chrome with WebFlux Rest Controller never completes [SPR-17506] #22038 HTTP GET from Chrome with WebFlux Rest Controller never completes

Referenced from: commits 6189e17, 280da61