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https://issues.apache.org/jira/browse/SOLR-14050?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16993153#comment-16993153
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Robert Muir commented on SOLR-14050:
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[~ichattopadhyaya] I attached a patch if you are curious to try it out. It
restricts tests to the loopback adapter, no DNS lookups or connections to the
internet.
> clean up tests use of network addresses
> ---------------------------------------
>
> Key: SOLR-14050
> URL: https://issues.apache.org/jira/browse/SOLR-14050
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Robert Muir
> Priority: Major
> Attachments: SOLR-14050.patch
>
>
> Motivated by this tweet:
> https://twitter.com/ichattopadhyaya/status/1204274908454219778
> I think we should clean up the "connect/resolve anywhere" security
> permissions in the tests and make it stricter like lucene. This way we can
> prevent tests from doing slow things now or in the future.
> The biggest issue I see exploring this so far is solr has lots of tests that
> want to hit a "dead" node. If you get lucky test passes quickly. If you get
> unlucky (e.g. it tries to route that multicast ipv6 address somewhere?) then
> it passes slowly or maybe even times out or misbehaves.
> I think, depending on the networking environment (e.g. working ipv6 or not,
> maybe OS), the current way its being done can be terribly slow. I have some
> ideas, just need to do some testing.
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