Actually Java 21 is required since the breaking change 13.0.0, see https://checkstyle.org/releasenotes.html#Release_13.0.0
Plugins can change the CheckStyle version that is used in their pom.xml if they need to. > Am 04.03.2026 um 05:59 schrieb Mark Waite <[email protected]>: > > I've reported a checkstyle issue > <https://github.com/checkstyle/checkstyle/issues/19104> that the 13.3.0 > release requires Java 21 without mentioning it in the release notes. Jenkins > plugins that use checkstyle 13.3.0 cannot be compiled with Java 17. > > I think it is time to revisit my decision to remove Java 17 from the > Jenkinsfile while performing the Java 25 upgrade. We've had several cases > where we lost the ability to build with Java 17. > > Mark Waite > > -- > 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] > <mailto:[email protected]>. > To view this discussion visit > https://groups.google.com/d/msgid/jenkinsci-dev/CAO49JtF7dsqmnM6tAGee572qngZNTdKyiWbzxaUjm4Wchk66SA%40mail.gmail.com > > <https://groups.google.com/d/msgid/jenkinsci-dev/CAO49JtF7dsqmnM6tAGee572qngZNTdKyiWbzxaUjm4Wchk66SA%40mail.gmail.com?utm_medium=email&utm_source=footer>. -- 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 visit https://groups.google.com/d/msgid/jenkinsci-dev/AC91CF51-5E16-4ADC-AA59-CC9E45F19D95%40gmail.com.
