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https://issues.apache.org/jira/browse/MNG-7275?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17423189#comment-17423189
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Karl Heinz Marbaise commented on MNG-7275:
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Many thanks for your contribution.
> Resource leak due to Files.list()
> ---------------------------------
>
> Key: MNG-7275
> URL: https://issues.apache.org/jira/browse/MNG-7275
> Project: Maven
> Issue Type: Improvement
> Reporter: lujie
> Assignee: Karl Heinz Marbaise
> Priority: Minor
>
> Leak happends at
> [https://github.com/apache/maven/blob/c3cf29438e3d65d6ee5c5726f8611af99d9a649a/maven-wrapper/src/main/java/org/apache/maven/wrapper/BootstrapMainStarter.java#L52]
>
> Files.list will opendir and we should close it.
>
> {{try(Stream<Path> list = Files.list())}} is the most common practice
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