[jdk17u-dev] RFR: 8308872: enhance logging and some exception in krb5/Config.java

[Matthias Baesken]

8308872: enhance logging and some exception in krb5/Config.java

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Commit messages:
 - Backport 70670b4af617699782f892ae4cb5228ec655a2d0

Changes: https://git.openjdk.org/jdk17u-dev/pull/1526/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1526&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8308872
  Stats: 15 lines in 1 file changed: 13 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1526.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1526/head:pull/1526

PR: https://git.openjdk.org/jdk17u-dev/pull/1526