[jira] [Work stopped] (NUTCH-3200) Close Closeable resources flagged by Sonar java:S2095

["Lewis John McGibbney (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/NUTCH-3200?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on NUTCH-3200 stopped by Lewis John McGibbney.
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> Close Closeable resources flagged by Sonar java:S2095
> -----------------------------------------------------
>
>                 Key: NUTCH-3200
>                 URL: https://issues.apache.org/jira/browse/NUTCH-3200
>             Project: Nutch
>          Issue Type: Bug
>    Affects Versions: 1.23
>            Reporter: Lewis John McGibbney
>            Assignee: Lewis John McGibbney
>            Priority: Critical
>             Fix For: 1.24
>
>
> SonarCloud reports 24 open BLOCKER Reliability issues on apache_nutch for rule java:S2095 ("Resources should be closed" / try-with-resources).
>  
> {*}Plan{*}:
>  # Fix real local-ownership leaks by converting to try-with-resources (or equivalent correct close) in the affected core and plugin classes (~19 issues across 17 files), including cases such as LinkDbReader never closed in CommonCrawlDataDumper and incomplete close of wrapped streams in LinkRank.
>  # Do not change Hadoop RecordWriter/RecordReader deferred-close sites or the FTP Client data Socket return path (FetcherOutputFormat, ParseOutputFormat, SegmentReader, SegmentMerger, protocol-ftp Client). Those are ownership transfer; mark the corresponding Sonar issues as False Positive once this issue has a PR, citing this Jira key and the PR URL.
>  
> This is a Bug (resource leaks / Sonar S2095 BUG), not a feature.



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