I know there has been few/minor reports on IRC/gitter about agents having issues in 11 that were fixed going back to 8. I tried to encourage them to report issues, but I'm not sure they did.
On Fri, Dec 4, 2020 at 1:50 PM Jesse Glick <[email protected]> wrote: > I am definitely opposed to trying to continue to “support” 8 if and > when we use 11 as a baseline for core. Let us be clear about what we > require and test against, so that we do not have a combinatorial > explosion of platforms. Plugins can be switched to run 11 in CI over > the course of a few months, and upgraded to `-source 11` as soon as > they decide to pick a new `jenkins.version`. (There is a bit of > infrastructure work needed for all this.) > > Basing decisions on what portion of users currently run on 11 seems > circular. The interesting question is what portion of users _cannot_ > run 11, for example due to some corporate mandate, and so would > actually refuse to upgrade Jenkins. This is harder to measure, of > course, but we can try. > > I do not _think_ there is any problem running an agent on 11 while the > controller is on 8, or vice-versa, but it bears testing. > > Last I tried using 11, there was still a lot of polish missing. The > agent printed a bunch of warnings about use of JDK internal classes. > IMO we should not be promoting use of a 9+ version until we can be > assured that no such warnings are printed when using testable features > of core or common plugins, perhaps by running `plugin-compat-tester` > and `acceptance-test-harness` with a JVM flag to turn on strict mode. > (JEP-228 means we are now on a version of XStream which at least > claims to get this right!) > > Note that AdoptOpenJDK intends to support Java 8 for considerably > _longer_ than 11. And we should be at least testing against newer > versions including previews of 17 when they become available, lest we > move to 11 just as it is becoming obsolete. > > -- > You received this message because you are subscribed to the Google Groups > "Jenkins Developers" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/jenkinsci-dev/CANfRfr0C3GO1SiAYzhN2Zjp6x6_nk6t03LW8n_1kim5xMC4ZDQ%40mail.gmail.com > . > -- You received this message because you are subscribed to the Google Groups "Jenkins Developers" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/jenkinsci-dev/CAG%3D_DuuJ30tFYmFu2wRiU5n2%3DRpcrZHgivLEfDfrTQ3g1i5mrQ%40mail.gmail.com.
