git: openjdk/jdk21: 8304885: Reuse stale data to improve DNS resolver resiliency

[Sergey Bylokhov]

Changeset: 8b127262
Author:    Sergey Bylokhov <serb at openjdk.org>
Date:      2023-06-23 11:36:39 +0000
URL:       https://git.openjdk.org/jdk21/commit/8b127262a3dff9c4420945e902f6a688f8d05e2e

8304885: Reuse stale data to improve DNS resolver resiliency

Reviewed-by: djelinski, michaelm
Backport-of: bdd81b31825a9eb6a0f0883fca56a011ac2aebf8

! src/java.base/share/classes/java/net/InetAddress.java
! src/java.base/share/classes/java/net/doc-files/net-properties.html
! src/java.base/share/classes/sun/net/InetAddressCachePolicy.java
! src/java.base/share/conf/security/java.security
! test/jdk/java/net/spi/InetAddressResolverProvider/AddressesCachingTest.java
+ test/jdk/java/net/spi/InetAddressResolverProvider/AddressesStaleCachingTest.java
+ test/jdk/java/net/spi/InetAddressResolverProvider/props/CacheStale.props
= test/jdk/java/net/spi/InetAddressResolverProvider/props/ForeverCache.props
+ test/jdk/java/net/spi/InetAddressResolverProvider/props/ForeverCacheIgnoreMinusStale.props
+ test/jdk/java/net/spi/InetAddressResolverProvider/props/ForeverCacheIgnorePositiveStale.props
+ test/jdk/java/net/spi/InetAddressResolverProvider/props/ForeverCacheIgnoreZeroStale.props
= test/jdk/java/net/spi/InetAddressResolverProvider/props/NeverCache.props
+ test/jdk/java/net/spi/InetAddressResolverProvider/props/NeverCacheIgnoreMinusStale.props
+ test/jdk/java/net/spi/InetAddressResolverProvider/props/NeverCacheIgnorePositiveStale.props
+ test/jdk/java/net/spi/InetAddressResolverProvider/props/NeverCacheIgnoreZeroStale.props
! test/jdk/java/net/spi/InetAddressResolverProvider/providers/simple/simple.provider/impl/SimpleResolverProviderImpl.java