RFR: 8272996: JNDI DNS provider fails to resolve SRV entries when IPV6 stack is enabled

Fri Feb 4 15:48:08 UTC 2022

On Fri, 4 Feb 2022 15:36:35 GMT, Aleksei Efimov <aefimov at openjdk.org> wrote:

> Hi,
> 
> JNDI's `DnsClient` can fail with `UncheckedIOException` during `connect` or `disconnect` method calls. It is a [know behavior](https://bugs.openjdk.java.net/browse/JDK-8236076) of `DatagramSocket`.
> 
> Currently, `DnsClient` method is fast-fails when `UncheckedIOException` is observed during connect attempt. But it supposed to mark such server as invalid and continue checking other servers.
> 
> Testing: tier1, tier2, tier3 and existing JCK tests show no failures relevant to the proposed changed

LGTM - and a good cleanup to boot!

-------------

Marked as reviewed by dfuchs (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/7353