RFR: 8273894: ConcurrentModificationException raised every time ReferralsCache drops referral

[Martin Balao]

On Wed, 22 Sep 2021 10:36:37 GMT, Jaikiran Pai <jpai at openjdk.org> wrote:

> Can I please get a review for this change which proposes to fix the issue noted in https://bugs.openjdk.java.net/browse/JDK-8273894?
> 
> Given the nature of the code in `ReferralsCache`, I haven't been able to add a new jtreg test case to reproduce the issue and verify this fix. Just to be sure that this change indeed fixes a reproducible issue, I replicated that code in a pretty trivial Java application and then verified a similar fix.
> 
> Existing tests in `test/jdk/sun/security/krb5/auto/` continue to pass after this change.

Hi,

Thanks for contributing this fix. I'm not an official Reviewer for JDK main line but your fix looks good to me.

Martin.-

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PR: https://git.openjdk.java.net/jdk/pull/5632