RFR: 8301964: Expensive fillInStackTrace operation in HttpURLConnection.getLastModified when no last-modified in response [v2]

[Jaikiran Pai]

On Tue, 7 Feb 2023 12:20:23 GMT, Andrey Turbanov <aturbanov at openjdk.org> wrote:

>> [JDK-8297211](https://bugs.openjdk.org/browse/JDK-8297211) (#11258) missed one case with date headers: `last-modified`, `date`, `expires`. We can avoid expensive NPE.
>
> Andrey Turbanov has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8301964: Expensive fillInStackTrace operation in HttpURLConnection.getLastModified when no last-modified in response
>   
>   rename Default to defaultValue

Hello Andrey, the changes look fine to me. Please update the copyright years on URLConnection.java and HttpsURLConnectionImpl.java files before integrating.

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Marked as reviewed by jpai (Reviewer).

PR: https://git.openjdk.org/jdk/pull/12451