Workaround for Wildfly WFLY-3474 NPE in HttpServletResponse.getHeaders [SPR-11919]

[spring-projects-issues]

Brian Clozel opened SPR-11919 and commented

There's an issue in Wildfly 8.0.0.Final and 8.1.0.Final (actually in undertow < 1.1.0.Beta2).

See the commit that fixes this in undertow and this StackOverflow question for an actual example.

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Affects: 4.0.5

Reference URL: https://issues.jboss.org/browse/WFLY-3474