RFR: 8375183: Remove unused SSLConfiguration.maximumProtocolVersion variable

[Artur Barashev]

On Tue, 13 Jan 2026 14:15:47 GMT, Mikhail Yankelevich <myankelevich at openjdk.org> wrote:

>> "SSLConfiguration.maximumProtocolVersion" is not being used in practice. It's used to initialize "TransportContext.protocolVersion" which is being later set to the negotiated protocol before being ever accessed.
>
> src/java.base/share/classes/sun/security/ssl/TransportContext.java line 147:
> 
>> 145:         // initial security parameters
>> 146:         this.conSession = new SSLSessionImpl();
>> 147:         this.protocolVersion = this.sslConfig.maximumProtocolVersion;
> 
> Wouldn't this make `protocolVersion` unassigned? I can't see it being set anywhere here, am I missing something?

It will have a default `null` value. It's being assigned to the negotiated protocol outside of this file.

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PR Review Comment: https://git.openjdk.org/jdk/pull/29192#discussion_r2686665077