RFR: 8318971 : Better Error Handling for Jar Tool Processing of @File

[Weibing Xiao]

Better Error Handling for Jar Tool Processing of "@File" <br>

This is a new PR for this PR since the original developer left the team. See all of the review history at https://github.com/openjdk/jdk/pull/16423.

Thank you.

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Commit messages:
 - 8318971 : Better Error Handling for Jar Tool Processing of @File

Changes: https://git.openjdk.org/jdk/pull/17088/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=17088&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8318971
  Stats: 56 lines in 2 files changed: 54 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/17088.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/17088/head:pull/17088

PR: https://git.openjdk.org/jdk/pull/17088