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https://issues.apache.org/jira/browse/GROOVY-8065?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Paul King closed GROOVY-8065.
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> Map created as org.springframework.http.HttpHeaders is empty in 2.4.8, works
> fine in 2.4.7
> ------------------------------------------------------------------------------------------
>
> Key: GROOVY-8065
> URL: https://issues.apache.org/jira/browse/GROOVY-8065
> Project: Groovy
> Issue Type: Bug
> Affects Versions: 2.4.8
> Environment: Java 1.8.0_102
> OS X 10.10.5
> Reporter: Andy Wilkinson
> Assignee: Paul King
> Fix For: 2.4.9
>
>
> There appears to be a regression in Groovy 2.4.8 that causes it to silently
> create an empty map when it's asked to create it as an instance of Spring
> Framework's {{HttpHeaders}}.
> Here's a minimal reproduction:
> {noformat}
> @Grab("org.springframework:spring-web:4.3.5.RELEASE")
> import org.springframework.http.HttpHeaders
> def headers = ['Content-Type' : 'application.json',
> 'Content-Disposition': 'test.zip'] as HttpHeaders
> println headers
> {noformat}
> It works as expected with 2.4.7:
> {noformat}
> $ sdk use groovy 2.4.7 && groovy asHttpHeaders.groovy
> Using groovy version 2.4.7 in this shell.
> [Content-Type:[application.json], Content-Disposition:[test.zip]]
> {noformat}
> With 2.4.8 the map is empty:
> {noformat}
> $ sdk use groovy 2.4.8 && groovy asHttpHeaders.groovy
> Using groovy version 2.4.8 in this shell.
> [:]
> {noformat}
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