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https://issues.apache.org/jira/browse/COMPRESS-473?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17453627#comment-17453627
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Philippe Marschall commented on COMPRESS-473:
---------------------------------------------
Finalization will likely be deprecated for removal, see [JEP
421|https://openjdk.java.net/jeps/421]
> Avoiding Java native peer objects that override finalize()
> ----------------------------------------------------------
>
> Key: COMPRESS-473
> URL: https://issues.apache.org/jira/browse/COMPRESS-473
> Project: Commons Compress
> Issue Type: Improvement
> Reporter: Roman Leventov
> Priority: Major
>
> Objects that override finalize() are very bad for GC. The infrastructure
> library such as Commons Compress is probably the right place to do the hard
> work of eliminating dependencies on such objects. Instead, PhantomReference
> registered in a Queue, or sun.misc.Cleaner (or java.lang.ref.Cleaner) should
> be used.
> In particular:
> java.util.zip.Deflater/Inflater/ZipOutputStream/ZipInputStream/GZipOutputStream/GZipInputStream
> should not be used.
>
> The issue for Zstd created in a downstream library:
> [https://github.com/luben/zstd-jni/issues/83]
>
> Some other downstream dependencies could be affected too.
>
> Commons Compress's own ZipFile and BZip2CompressorOutputStream classes should
> not override finalize() too.
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