Usually the best technique is to accept that users who update plugins to newer releases are also users who update their Jenkins versions.
Plugin installation statistics can help with your decision of the minimum Jenkins version you should support. See https://stats.jenkins.io/pluginversions/bitbucket.html for the summary of the installation statistics of the bitbucket plugin. My reading of it is: - Over 80% of installations of Bitbucket plugin 1.11.0 are running Jenkins 2.204.1 or newer - Over 60% of *all* installations of Bitbucket plugin are running Jenkins 2.204.1 or newer I chose 2.204.1 as the new basis for the git plugin and git client plugin on the assumption that if they are not updating Jenkins, they probably won't update the plugin even if I release it. If they are updating Jenkins, then they will probably also update to a new version of the plugin. Choosing a new Jenkins minimum version is not a breaking change. Users running older Jenkins versions won't be offered the new release. You may also find it helpful as a new plugin maintainer to enable the plugin BOM to help manage dependency versions and to enable Dependabot and Release Drafter to remove some of the "rote work" of maintaining dependencies. Dependency management <https://www.jenkins.io/doc/developer/plugin-development/dependency-management/> is a good beginning, continuing in plugin BOM <https://github.com/jenkinsci/bom> , Dependabot (video <https://www.youtube.com/watch?v=RXIJpjYlECQ>). and Release Drafter (video <https://www.youtube.com/watch?v=PaQsvli92XY>). Mark Waite On Sun, Jul 26, 2020 at 11:53 AM tzach solomon <[email protected]> wrote: > I've found the property you talked about, java.level. > I've set it to 8 and now it's working fine :) > > But, I'm still afraid this is a breaking update. > I mean, it requires the jenkins to be with JDK 8 while Jenkins 1.6+ only > requires JDK 7. > > Can someone please help? > > > On Sun, Jul 26, 2020 at 8:47 PM 'Gavin Mogan' via Jenkins Developers < > [email protected]> wrote: > >> Not sure what to tell you. Check your effective pom. The compiler error >> says your including jdk8 compiled classes but are compiling with jdk7 >> >> On Sun, Jul 26, 2020 at 10:38 AM tzach solomon <[email protected]> >> wrote: >> >>> Gavin Mogan, Thanks for the quick response :) >>> Are you referring to maven.compiler.target property? If so i've set it >>> to 1.8 but still, I get the same error >>> >>> Thanks, >>> Tzach >>> >>> On Sun, Jul 26, 2020 at 8:32 PM 'Gavin Mogan' via Jenkins Developers < >>> [email protected]> wrote: >>> >>>> Update your plugin to use jdk 8. The default pom let's you set that by >>>> using a java.level property >>>> >>>> Recommended just updating the base plugin pom which does most things >>>> for you. >>>> >>>> On Sun., Jul. 26, 2020, 10:24 a.m. [email protected], < >>>> [email protected]> wrote: >>>> >>>>> Hi All, >>>>> >>>>> According to GitHub Advisory Database, I should update >>>>> *net.sourceforge.htmlunit* to at least* 2.37.0* in order to fix >>>>> *CVE-2020-5529*. >>>>> >>>>> My problem is once I do that and run mvn compile, maven enforcer >>>>> blocks due to: >>>>> >>>>> *[INFO] Restricted to JDK 1.7 yet >>>>> net.sourceforge.htmlunit:neko-htmlunit:jar:2.42.0:compile contains >>>>> net/sourceforge/htmlunit/cyberneko/filters/DefaultFilter.class targeted to >>>>> JDK 1.8* >>>>> Should I fix the security issue? If so, how should I proceed? >>>>> >>>>> Thanks, >>>>> Tzach >>>>> >>>>> -- >>>>> 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/f5938e1c-77c3-4852-a7fd-5712771a016an%40googlegroups.com >>>>> <https://groups.google.com/d/msgid/jenkinsci-dev/f5938e1c-77c3-4852-a7fd-5712771a016an%40googlegroups.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 on the web visit >>>> https://groups.google.com/d/msgid/jenkinsci-dev/CAG%3D_DuvicoasLWB8HLRUmOcSbEk8CmK6SHrn6%2B_u21_3iZUiPQ%40mail.gmail.com >>>> <https://groups.google.com/d/msgid/jenkinsci-dev/CAG%3D_DuvicoasLWB8HLRUmOcSbEk8CmK6SHrn6%2B_u21_3iZUiPQ%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 on the web visit >>> https://groups.google.com/d/msgid/jenkinsci-dev/CAC19wgLr%2B2Tz0HH_bk2t2fE6OoX%3Dia89-722L5270n4rdJ8p6g%40mail.gmail.com >>> <https://groups.google.com/d/msgid/jenkinsci-dev/CAC19wgLr%2B2Tz0HH_bk2t2fE6OoX%3Dia89-722L5270n4rdJ8p6g%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 on the web visit >> https://groups.google.com/d/msgid/jenkinsci-dev/CAG%3D_DuuoEVBKpXhXEe8H0%2BWB2FOYJtu%2BMZ6v8c7CmOe7cuFqJA%40mail.gmail.com >> <https://groups.google.com/d/msgid/jenkinsci-dev/CAG%3D_DuuoEVBKpXhXEe8H0%2BWB2FOYJtu%2BMZ6v8c7CmOe7cuFqJA%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 on the web visit > https://groups.google.com/d/msgid/jenkinsci-dev/CAC19wg%2BxuKCL6bgFaMy3OZL%3D5kkEeRZ68WS336h%3DCNziycgZYQ%40mail.gmail.com > <https://groups.google.com/d/msgid/jenkinsci-dev/CAC19wg%2BxuKCL6bgFaMy3OZL%3D5kkEeRZ68WS336h%3DCNziycgZYQ%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "Jenkins Developers" group. 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