This looks like the matrix-auth plugin is disabled or unable to load. Check the Jenkins log with the error message for why that is.
1.5 is really old, you should update -- probably before the next attempt at updating Jenkins. It's almost certainly safe to do so, this is the documentation underlying the warning (second and third list item): https://github.com/jenkinsci/matrix-auth-plugin/blob/master/CHANGELOG.md#important-upgrade-notes On Mon, Jun 22, 2020 at 6:14 PM Sean LeBlanc <seanlebl...@gmail.com> wrote: > Last week, I tried to update to Jenkins 2.235.1, but Jenkins would not > come up; it was an error about ProjectMatrixAuthorizationStrategy (see > error stack at bottom of email). > > Moving back 2.164.1 war did not work, I had to use snapshot of VM to > recover. Now, I'm wondering what the best path forward would be? Our > current version of the Matrix Authorization Strategy says it is 1.5 (and > the update listed in plugin manager is 2.5), but with big red warning about: > > > "Warning: the new version of this plugin claims to use a different > settings format than the installed version. Jobs using this plugin may need > to be reconfigured, and/or you may not be able to cleanly revert to the > prior version without manually restoring old settings. Consult the plugin > release notes for details." > > > Should I try to update this plugin, then update to 2.235.1? Or go to some > interim version of Jenkins between our LTS version (2.164.1) and 2.235.1? > > > Exception when trying to start Jenkins with 2.235.1 war: > > com.thoughtworks.xstream.mapper.CannotResolveClassException: > hudson.security.ProjectMatrixAuthorizationStrategy > > at > com.thoughtworks.xstream.mapper.DefaultMapper.realClass(DefaultMapper.java:79) > > at > com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) > > at > com.thoughtworks.xstream.mapper.DynamicProxyMapper.realClass(DynamicProxyMapper.java:55) > > at > com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) > > at > com.thoughtworks.xstream.mapper.PackageAliasingMapper.realClass(PackageAliasingMapper.java:88) > > at > com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) > > at > com.thoughtworks.xstream.mapper.ClassAliasingMapper.realClass(ClassAliasingMapper.java:79) > > at > com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) > > at > com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) > > at > com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) > > at > com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) > > at > com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) > > at > com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) > > at > com.thoughtworks.xstream.mapper.ArrayMapper.realClass(ArrayMapper.java:74) > > at > com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) > > at > com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) > > at > com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) > > at > com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) > > at > com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) > > at > com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) > > at > com.thoughtworks.xstream.mapper.SecurityMapper.realClass(SecurityMapper.java:71) > > at > com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) > > at > com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) > > at > com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) > > at > hudson.util.XStream2$CompatibilityMapper.realClass(XStream2.java:379) > > at > com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) > > at > com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) > > at > org.jenkinsci.jruby.JRubyMapper.realClass(JRubyMapper.java:34) > > at > hudson.util.xstream.MapperDelegate.realClass(MapperDelegate.java:43) > > at > com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30) > > at > com.thoughtworks.xstream.mapper.CachingMapper.realClass(CachingMapper.java:48) > > at > hudson.util.RobustReflectionConverter.determineType(RobustReflectionConverter.java:476) > > at > hudson.util.RobustReflectionConverter.doUnmarshal(RobustReflectionConverter.java:326) > > Caused: jenkins.util.xstream.CriticalXStreamException: > hudson.security.ProjectMatrixAuthorizationStrategy : > hudson.security.ProjectMatrixAuthorizationStrategy > > ---- Debugging information ---- > > message : hudson.security.ProjectMatrixAuthorizationStrategy > > cause-exception : > com.thoughtworks.xstream.mapper.CannotResolveClassException > > cause-message : hudson.security.ProjectMatrixAuthorizationStrategy > > class : hudson.model.Hudson > > required-type : hudson.model.Hudson > > converter-type : hudson.util.RobustReflectionConverter > > path : /hudson/authorizationStrategy > > line number : 16 > > version : not available > > ------------------------------- > > at > hudson.util.RobustReflectionConverter.doUnmarshal(RobustReflectionConverter.java:355) > > at > hudson.util.RobustReflectionConverter.unmarshal(RobustReflectionConverter.java:269) > > at > com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72) > > at > com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65) > > at > com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66) > > at > com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50) > > at > com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:134) > > at > com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarshal(AbstractTreeMarshallingStrategy.java:32) > > at > com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1189) > > at hudson.util.XStream2.unmarshal(XStream2.java:161) > > at hudson.util.XStream2.unmarshal(XStream2.java:132) > > at > com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1173) > > at hudson.XmlFile.unmarshal(XmlFile.java:180) > > Caused: java.io.IOException: Unable to read /var/lib/jenkins/config.xml > > at hudson.XmlFile.unmarshal(XmlFile.java:183) > > at hudson.XmlFile.unmarshal(XmlFile.java:163) > > at jenkins.model.Jenkins.loadConfig(Jenkins.java:3147) > > at jenkins.model.Jenkins.access$1200(Jenkins.java:318) > > at jenkins.model.Jenkins$13.run(Jenkins.java:3248) > > at > org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run(TaskGraphBuilder.java:169) > > at > org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:296) > > at jenkins.model.Jenkins$5.runTask(Jenkins.java:1131) > > at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:214) > > at > org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117) > > at > jenkins.security.ImpersonatingExecutorService$1.run(ImpersonatingExecutorService.java:59) > > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) > > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > > at java.lang.Thread.run(Thread.java:745) > > Caused: org.jvnet.hudson.reactor.ReactorException > > at > org.jvnet.hudson.reactor.Reactor.execute(Reactor.java:282) > > at jenkins.InitReactorRunner.run(InitReactorRunner.java:50) > > at jenkins.model.Jenkins.executeReactor(Jenkins.java:1164) > > at jenkins.model.Jenkins.<init>(Jenkins.java:964) > > at hudson.model.Hudson.<init>(Hudson.java:85) > > at hudson.model.Hudson.<init>(Hudson.java:81) > > at hudson.WebAppMain$3.run(WebAppMain.java:262) > > Caused: hudson.util.HudsonFailedToLoad > > at hudson.WebAppMain$3.run(WebAppMain.java:279) > > Page generated: > > Jun 19, 2020 7:30:09 PM MDT > Jenkins 2.235.1 > > > > > -- > You received this message because you are subscribed to the Google Groups > "Jenkins Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to jenkinsci-users+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/jenkinsci-users/5ef493c9-4a77-4b26-2e8c-e800ebd6d969%40gmail.com > <https://groups.google.com/d/msgid/jenkinsci-users/5ef493c9-4a77-4b26-2e8c-e800ebd6d969%40gmail.com?utm_medium=email&utm_source=footer> > . > -- Daniel Beck Senior Software Engineer CloudBees, Inc. -- You received this message because you are subscribed to the Google Groups "Jenkins Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to jenkinsci-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/jenkinsci-users/CAMo7PtK7a8zF%3DYQKJqePGEd4cTY7UebAHUyTSGjw5GysLwAUQQ%40mail.gmail.com.
