RFR: 7105350: HttpExchange's attributes are the same as HttpContext's attributes [v2]

[Josiah Noel]

On Tue, 7 Oct 2025 09:22:39 GMT, Michael McMahon <michaelm at openjdk.org> wrote:

>> Josiah Noel has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   require non null
>
> src/jdk.httpserver/share/classes/sun/net/httpserver/ExchangeImpl.java line 65:
> 
>> 63:     private static final boolean perExchangeAttributes =
>> 64:         !System.getProperty("jdk.httpserver.attributes", "")
>> 65:               .equals("context");
> 
> The property will have to be documented somewhere such as the jdk.httpserver module-info. But, I'm wondering if fairly obscure properties like this might be better off "buried" in the net.properties config file. I think there's a case for putting all such "compatibility" flags somewhere out of the way like that. If we were to do that, you would need to access the property using  `sun.net.NetProperties`. 
> 
> Any other views on this?

I can switch to `sun.net.NetProperties` if you so desire.

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PR Review Comment: https://git.openjdk.org/jdk/pull/27652#discussion_r2412350550