We had to update the enforcer plugin to work around the bug where it was reading code from META-INF where it's not supposed to. See here for example: https://github.com/jenkinsci/audit-log-plugin/blob/master/pom.xml#L202-L214
On Mon, Oct 21, 2019 at 6:08 AM Oleg Nenashev <o.v.nenas...@gmail.com> wrote: > Just to add some info about using Java 9+ in plugins > > JEP-211 requires plugins to stay on Java 8. > If necessary, they can indeed go to higher version, but Plugin POM does > not fully support it. https://github.com/jenkinsci/plugin-pom/pull/133 would > need to be finished and integrated. > Note that, even if it is landed, using Java 9+ can cause various > disruptions for users of old Jenkins core versions before 2.164.x where the > JDK version metadata was introduced. Also, custom update centers may not > return this metadata. > > On Monday, October 21, 2019 at 10:48:05 AM UTC+2, Ullrich Hafner wrote: >> >> Here is an example on how to suppress those files: >> >> https://github.com/jenkinsci/warnings-ng-plugin/blob/master/pom.xml#L922 >> >> >> Am 20.10.2019 um 23:37 schrieb Damian Szczepanik <damian.p...@gmail.com>: >> >> I think that's the second option: >> >> [INFO] --- maven-enforcer-plugin:3.0.0-M1:enforce (display-info) @ >> cucumber-reports --- >> [INFO] Restricted to JDK 1.8 yet >> com.fasterxml.jackson.core:jackson-annotations:jar:2.10.0.pr2:compile >> contains module-info.class targeted to 53.0 >> [INFO] Restricted to JDK 1.8 yet >> com.fasterxml.jackson.core:jackson-databind:jar:2.10.0.pr2:compile contains >> module-info.class targeted to 53.0 >> [INFO] Restricted to JDK 1.8 yet >> com.fasterxml.jackson.core:jackson-core:jar:2.10.0.pr2:compile contains >> module-info.class targeted to 53.0 >> [INFO] Ignoring requireUpperBoundDeps in com.google.guava:guava >> [WARNING] Rule 2: >> org.apache.maven.plugins.enforcer.EnforceBytecodeVersion failed with >> message: >> Found Banned Dependency: >> com.fasterxml.jackson.core:jackson-annotations:jar:2.10.0.pr2 >> Found Banned Dependency: >> com.fasterxml.jackson.core:jackson-databind:jar:2.10.0.pr2 >> Found Banned Dependency: >> com.fasterxml.jackson.core:jackson-core:jar:2.10.0.pr2 >> >> >> but then how to skip this particular 'violation' in this dependency? Or >> maybe discard all such problems? >> >> Damian >> >> >> You should not change to JDK 9 if not absolutely necessary. >> >> Did your dependency really change the API to JDK 9? Or did they just >> compile with JDK 9 and add a module information file which requires the >> increased class file level? Those files can be ignored in the pom... >> >> >> Am 20.10.2019 um 23:16 schrieb Damian Szczepanik <damian.p...@gmail.com>: >> >> Hi, >> >> After upgrading some plugin dependencies I found that dependency is >> compiled against JDK 9 while my plugin still uses 8 - compilation has >> failed. >> >> Is there any recommendation, guideline, best practices that guide about: >> >> 1. Should I upgrade the plugin to JDK 9+ or it's not mandatory >> because from SLA perspective Jenkins should be upgraded? >> 2. Jenkins does not support 9 so should I upgrade to 11 at least? >> 3. Is there any plugin that have been already upgraded and could be >> taken as good reference how to make it painless? >> 4. What I would loose? eg Jenkins with older JDK won't be able to >> install new version of my plugin >> >> Damian >> >> -- >> 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 jenkin...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/jenkinsci-dev/20bf28ca-34fa-4776-9946-d7c1e166cdcb%40googlegroups.com >> <https://groups.google.com/d/msgid/jenkinsci-dev/20bf28ca-34fa-4776-9946-d7c1e166cdcb%40googlegroups.com?utm_medium=email&utm_source=footer> >> . -- >> You received this message because you are subscribed to a topic in the >> Google Groups "Jenkins Developers" group. >> To unsubscribe from this topic, visit >> https://groups.google.com/d/topic/jenkinsci-dev/UgQ9wznpybw/unsubscribe. >> To unsubscribe from this group and all its topics, send an email to >> jenkin...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/jenkinsci-dev/1021736F-D106-4C86-8FA5-91F3C2074ACF%40gmail.com >> <https://groups.google.com/d/msgid/jenkinsci-dev/1021736F-D106-4C86-8FA5-91F3C2074ACF%40gmail.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 jenkin...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/jenkinsci-dev/1131298390.20191020233750%40gmail.com >> <https://groups.google.com/d/msgid/jenkinsci-dev/1131298390.20191020233750%40gmail.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 jenkinsci-dev+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/jenkinsci-dev/2386d4a7-9872-478d-b56c-3f91b78fcd8b%40googlegroups.com > <https://groups.google.com/d/msgid/jenkinsci-dev/2386d4a7-9872-478d-b56c-3f91b78fcd8b%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- Matt Sicker Senior Software Engineer, CloudBees -- You received this message because you are subscribed to the Google Groups "Jenkins Developers" group. 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