This failure surprises me since the PR CI passed, I locally ran `mvn verify` with Java 8, and snakeyaml itself only requires Java 7:
https://bitbucket.org/snakeyaml/snakeyaml/src/master/pom.xml On Sun, Apr 16, 2023 at 07:48:33AM +0000, Apache Jenkins Server wrote: > See > <https://ci-builds.apache.org/job/JClouds/job/jclouds/78/display/redirect?page=changes> > > Changes: > > [Andrew Gaul] Upgrade to snakeyaml 2.0 > > > ------------------------------------------ > Started by an SCM change > Running as SYSTEM > [EnvInject] - Loading node environment variables. > Building remotely on builds26 (ubuntu) in workspace > <https://ci-builds.apache.org/job/JClouds/job/jclouds/ws/> > The recommended git tool is: NONE > No credentials specified > Cloning the remote Git repository > Cloning repository https://gitbox.apache.org/repos/asf/jclouds.git > > git init <https://ci-builds.apache.org/job/JClouds/job/jclouds/ws/> # > timeout=10 > Fetching upstream changes from https://gitbox.apache.org/repos/asf/jclouds.git > > git --version # timeout=10 > > git --version # 'git version 2.17.1' > > git fetch --tags --progress -- > https://gitbox.apache.org/repos/asf/jclouds.git > +refs/heads/*:refs/remotes/origin/* # timeout=10 > > git config remote.origin.url > https://gitbox.apache.org/repos/asf/jclouds.git # timeout=10 > > git config --add remote.origin.fetch +refs/heads/*:refs/remotes/origin/* # > timeout=10 > Avoid second fetch > > git rev-parse refs/remotes/origin/master^{commit} # timeout=10 > Checking out Revision f82e94c3374d7ced6d5a6a7d0238fe85a954ac3d > (refs/remotes/origin/master) > > git config core.sparsecheckout # timeout=10 > > git checkout -f f82e94c3374d7ced6d5a6a7d0238fe85a954ac3d # timeout=10 > Commit message: "Upgrade to snakeyaml 2.0" > > git rev-list --no-walk 788f75f9379287e70a2e2197297cb0efd45f96f7 # > timeout=10 > [EnvInject] - Executing scripts and injecting environment variables after the > SCM step. > [EnvInject] - Injecting as environment variables the properties content > LC_ALL=en_US.UTF-8 > LANG=en_US.UTF-8 > > [EnvInject] - Variables injected successfully. > Parsing POMs > Modules changed, recalculating dependency graph > Established TCP socket on 42099 > maven35-agent.jar already up to date > maven35-interceptor.jar already up to date > maven3-interceptor-commons.jar already up to date > [jclouds] $ /home/jenkins/tools/java/latest1.8/bin/java -cp > /home/jenkins/jenkins-agent/maven35-agent.jar:/home/jenkins/tools/maven/apache-maven-3.5.4/boot/plexus-classworlds-2.5.2.jar:/home/jenkins/tools/maven/apache-maven-3.5.4/conf/logging > jenkins.maven3.agent.Maven35Main > /home/jenkins/tools/maven/apache-maven-3.5.4 > /home/jenkins/jenkins-agent/agent.jar > /home/jenkins/jenkins-agent/maven35-interceptor.jar > /home/jenkins/jenkins-agent/maven3-interceptor-commons.jar 42099 > Exception in thread "main" java.lang.UnsupportedClassVersionError: > hudson/remoting/Launcher has been compiled by a more recent version of the > Java Runtime (class file version 55.0), this version of the Java Runtime only > recognizes class file versions up to 52.0 > at java.lang.ClassLoader.defineClass1(Native Method) > at java.lang.ClassLoader.defineClass(ClassLoader.java:756) > at > java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) > at java.net.URLClassLoader.defineClass(URLClassLoader.java:473) > at java.net.URLClassLoader.access$100(URLClassLoader.java:74) > at java.net.URLClassLoader$1.run(URLClassLoader.java:369) > at java.net.URLClassLoader$1.run(URLClassLoader.java:363) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:362) > at > org.codehaus.plexus.classworlds.realm.ClassRealm.loadClassFromSelf(ClassRealm.java:401) > at > org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:42) > at > org.codehaus.plexus.classworlds.realm.ClassRealm.unsynchronizedLoadClass(ClassRealm.java:271) > at > org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:247) > at > org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:239) > at jenkins.maven3.agent.Maven35Main.main(Maven35Main.java:136) > at jenkins.maven3.agent.Maven35Main.main(Maven35Main.java:66) > ERROR: Failed to parse POMs > java.io.EOFException: unexpected stream termination > at hudson.remoting.ChannelBuilder.negotiate(ChannelBuilder.java:459) > at hudson.remoting.ChannelBuilder.build(ChannelBuilder.java:404) > at hudson.slaves.Channels.forProcess(Channels.java:121) > at > hudson.maven.AbstractMavenProcessFactory.newProcess(AbstractMavenProcessFactory.java:296) > at hudson.maven.ProcessCache.get(ProcessCache.java:236) > at > hudson.maven.MavenModuleSetBuild$MavenModuleSetBuildExecution.doRun(MavenModuleSetBuild.java:802) > at > hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:526) > at hudson.model.Run.execute(Run.java:1900) > at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:543) > at hudson.model.ResourceController.execute(ResourceController.java:101) > at hudson.model.Executor.run(Executor.java:442) -- Andrew Gaul http://gaul.org/
