AwsHttpServletResponse includes headers with NULL values wich causes 502 ALB responses #1522
Description
AwsHttpServletResponse:setHeader method doesn't check if header values are null. This causes 502 ALB responses.
We have come across this issue after the update to SpringBoot 3.5.5 while testing exception handlers.
This bug can affect more versions as it is caused by springweb-mvc bugfix spring-projects/spring-framework@6bd12e8