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

[Alan Bateman]

On Tue, 7 Feb 2023 09:19:06 GMT, Andrey Turbanov <aturbanov at openjdk.org> wrote:

> [JDK-8297211](https://bugs.openjdk.org/browse/JDK-8297211) (#11258) missed one case with `last-modified` header. We can avoid expensive NPE.

src/java.base/share/classes/java/net/HttpURLConnection.java line 609:

> 607:             }
> 608:             try {
> 609:                 return Date.parse(dateString);

Changing this method makes me wonder if we should replace the Date.parse usage with DateTimeFormatter while we are there, also the parameter name "Default" wants to be renamed too.

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