Preserve HTTP headers when caching resources in CachingResourceResolver [SPR-13817]

[spring-projects-issues]

Brian Clozel opened SPR-13817 and commented

See comment in #17963 - the VersionResourceResolver adds HTTP ETag headers but those aren't replayed by the CachingResourceResolver.

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Affects: 4.2.4

Reference URL: https://jira.spring.io/browse/SPR-13382?focusedCommentId=122671&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-122671

Issue Links:

• VersionResourceResolver should add ETag headers when resolving resources [SPR-13382] #17963 VersionResourceResolver should add ETag headers when resolving resources

Referenced from: commits d681f77, 3af62bd, 473cf9c, 1581597

[spring-projects-issues]

Brian Clozel commented

This fix has been backported to the "4.2.x" branch.