git: openjdk/jdk21u-dev: master: 8309667: TLS handshake fails because of ConcurrentModificationException in PKCS12KeyStore.engineGetEntry

[Goetz Lindenmaier]

Changeset: 091c5698
Branch: master
Author:    Goetz Lindenmaier <goetz at openjdk.org>
Date:      2025-04-21 08:11:10 +0000
URL:       https://git.openjdk.org/jdk21u-dev/commit/091c56980c5b3b5666235fdb95c60dd10d3071be

8309667: TLS handshake fails because of ConcurrentModificationException in PKCS12KeyStore.engineGetEntry

Backport-of: d2e2c4cef1f15a3fc7f1f619470d23ae6bb37725

! src/java.base/share/classes/sun/security/pkcs12/PKCS12KeyStore.java
+ test/jdk/sun/security/pkcs12/AttributesCorrectness.java
+ test/jdk/sun/security/pkcs12/AttributesMultiThread.java