[jdk11u-dev] RFR: 8285836: sun/net/www/http/KeepAliveCache/KeepAliveProperty.java failed with "RuntimeException: Failed in server"

Tue Sep 27 19:11:27 UTC 2022

I backport this for parity with 11.0.18-oracle.

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Commit messages:
 - Backport af529be069b651808310c3c37e2167d216979f69

Changes: https://git.openjdk.org/jdk11u-dev/pull/1377/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1377&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8285836
  Stats: 3 lines in 1 file changed: 2 ins; 1 del; 0 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/1377.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev pull/1377/head:pull/1377

PR: https://git.openjdk.org/jdk11u-dev/pull/1377