[jdk21u-dev] RFR: 8320577: Improve MessageHeader's toString() function to make HttpURLConnection's debug log readable

[duke]

On Sat, 20 Sep 2025 00:30:36 GMT, Daniel Hu <duke at openjdk.org> wrote:

> Clean backport. Improves HttpURLConnection debug logs. GHA passes.

@cost0much 
Your change (at version 43595fa8a8d2ca4a64154bb8717318e8e99b0836) is now ready to be sponsored by a Committer.

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PR Comment: https://git.openjdk.org/jdk21u-dev/pull/2252#issuecomment-3324915220