[jira] [Updated] (FLINK-30478) Don't depend on IPAddressUtil

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-30478?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated FLINK-30478:
-----------------------------------
    Labels: pull-request-available  (was: )

> Don't depend on IPAddressUtil
> -----------------------------
>
>                 Key: FLINK-30478
>                 URL: https://issues.apache.org/jira/browse/FLINK-30478
>             Project: Flink
>          Issue Type: Sub-task
>          Components: API / Core
>            Reporter: Gunnar Morling
>            Assignee: Gunnar Morling
>            Priority: Major
>              Labels: pull-request-available
>
> The class \{{org.apache.flink.util.NetUtils}} uses the JDK-internal class \{{sun.net.util.IPAddressUtil}}. On current JDKs (16+), this causes issues as access to this class is prevented by default and would require an additional \{{--add-opens}} clause. That's undesirable in particular in cases where we don't control the JVM start-up arguments, e.g. when using Flink embedded into a custom Java application.
> I suggest to replace this logic using the [IPAddress|https://github.com/seancfoley/IPAddress/] library (Apache License v2), which implements everything we need without relying on internal classes. I have a patch for that ready and will submit it for discussion.



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