[jdk17u-dev] RFR: 8273092: Sort classlist in JDK image : regarding CDS archives

[Lindenmaier, Goetz]

Hi,

I agree to what Severin says, this one seems acceptable.

But I think the list mentioned by Ioi is definitely not a candidate for 17.

Best regards,
  Goetz

From: jdk-updates-dev <jdk-updates-dev-retn at openjdk.org> On Behalf Of Andrew Leonard
Sent: Freitag, 4. August 2023 11:39
To: jdk-updates-dev at openjdk.org
Subject: [jdk17u-dev] RFR: 8273092: Sort classlist in JDK image : regarding CDS archives

Hi,
I am currently backporting the fix to sort the classlist file, for a deterministic output: https://github.com/openjdk/jdk17u-dev/pull/1632
and as Ioi Lam pointed out CDS archives in jdk17u are non-deterministic without various jdk-21+ fixes (https://bugs.openjdk.org/browse/JDK-8245335?jql=labels%20%3D%20reproducible-build%20AND%20labels%20%3D%20cds%20ORDER%20BY%20fixVersion%20ASC), which are unlikely to be backported as jdk17u CDS is quite different to 21+ now.

However, it would still be useful to at least have the classlist deterministic, to achieve a JDK tarball that is reproducible bar the CDS archives. There is an argument that CDS archives could be produced at a different point in time from the build tarball, for example maybe via the installer at user install time.

Thoughts please? on whether it is useful to merge this classlist sorting, regardless of the CDS archive issue?

Thanks
Andrew


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