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https://issues.apache.org/jira/browse/GROOVY-8373?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18051218#comment-18051218
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ASF GitHub Bot commented on GROOVY-8373:
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paulk-asert commented on PR #2352:
URL: https://github.com/apache/groovy/pull/2352#issuecomment-3738099560
I do wonder about use with System.in or a reader wrapping it. General advice
has always been not to close that. I'll play around and see if I can think of
an API change that can cover both cases. Certainly, all of our URL and File
variants should close the related constructed readers.
> File.filterLine leaves hanging Reader
> -------------------------------------
>
> Key: GROOVY-8373
> URL: https://issues.apache.org/jira/browse/GROOVY-8373
> Project: Groovy
> Issue Type: Bug
> Components: groovy-jdk
> Reporter: Tim Yates
> Priority: Trivial
>
> Looks like the default method for {{new File('.').filterLine}} creates a
> {{newReader}} which is never closed, nor is it accessible for the user to
> close it themselves.
> https://github.com/apache/groovy/blob/2d9c467ade68da0e3e73e64c4db7f29d742162f9/src/main/org/codehaus/groovy/runtime/ResourceGroovyMethods.java#L2386
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