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  1. ,
    via Google Groups by Marcus Haebler

    Update "latest" to Java 8 on DockerHub.

  2. ,
    Expert tip

    This might be caused by and outdated version of Java, SonarQube now uses Java 8 as default. You might upgrade java or use an older version of SonarQube.

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via Jenkins JIRA by Flominator, 1 year ago
via Jenkins JIRA by Flominator, 1 year ago
via Visual-paradigm by Anonymous, 1 year ago
Bad version number in .class file
via Stack Overflow by alex
, 2 years ago
Bad version number in .class file
via Stack Overflow by user1446192
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Bad version number in .class file
via Google Groups by zab, 8 months ago
Bad version number in .class file
java.lang.UnsupportedClassVersionError: Bad version number in .class file	at java.lang.ClassLoader.defineClass1(Native Method)	at java.lang.ClassLoader.defineClass(ClassLoader.java:620)	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)	at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)	at java.net.URLClassLoader.access$100(URLClassLoader.java:56)	at java.net.URLClassLoader$1.run(URLClassLoader.java:195)	at java.security.AccessController.doPrivileged(Native Method)	at java.net.URLClassLoader.findClass(URLClassLoader.java:188)	at java.lang.ClassLoader.loadClass(ClassLoader.java:306)	at java.lang.ClassLoader.loadClass(ClassLoader.java:251)	at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)	at java.lang.Class.getDeclaredMethods0(Native Method)	at java.lang.Class.privateGetDeclaredMethods(Class.java:2395)	at java.lang.Class.privateGetPublicMethods(Class.java:2519)	at java.lang.Class.getMethods(Class.java:1406)	at hudson.ExtensionFinder$AbstractGuiceFinder$SezpozModule.resolve(ExtensionFinder.java:293)	at hudson.ExtensionFinder$AbstractGuiceFinder$SezpozModule.configure(ExtensionFinder.java:327)	at com.google.inject.AbstractModule.configure(AbstractModule.java:59)	at com.google.inject.spi.Elements$RecordingBinder.install(Elements.java:223)	at com.google.inject.spi.Elements.getElements(Elements.java:101)	at com.google.inject.internal.InjectorShell$Builder.build(InjectorShell.java:133)	at com.google.inject.internal.InternalInjectorCreator.build(InternalInjectorCreator.java:103)	at com.google.inject.Guice.createInjector(Guice.java:95)	at com.google.inject.Guice.createInjector(Guice.java:72)	at hudson.ExtensionFinder$AbstractGuiceFinder.(ExtensionFinder.java:180)	at hudson.ExtensionFinder$GuiceFinder.(ExtensionFinder.java:149)	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)	at java.lang.reflect.Constructor.newInstance(Constructor.java:494)	at java.lang.Class.newInstance0(Class.java:350)	at java.lang.Class.newInstance(Class.java:303)	at net.java.sezpoz.IndexItem.instance(IndexItem.java:181)	at hudson.ExtensionFinder$Sezpoz.find(ExtensionFinder.java:401)	at hudson.ExtensionFinder._find(ExtensionFinder.java:110)	at hudson.ClassicPluginStrategy.findComponents(ClassicPluginStrategy.java:289)	at hudson.ExtensionList.load(ExtensionList.java:258)	at hudson.ExtensionList.ensureLoaded(ExtensionList.java:229)	at hudson.ExtensionList.iterator(ExtensionList.java:136)	at hudson.ClassicPluginStrategy.findComponents(ClassicPluginStrategy.java:282)	at hudson.ExtensionList.load(ExtensionList.java:258)	at hudson.ExtensionList.ensureLoaded(ExtensionList.java:229)	at hudson.ExtensionList.getComponents(ExtensionList.java:147)	at hudson.DescriptorExtensionList.load(DescriptorExtensionList.java:181)	at hudson.ExtensionList.ensureLoaded(ExtensionList.java:229)	at hudson.ExtensionList.iterator(ExtensionList.java:136)	at org.jenkinsci.plugins.xunit.AliasInitializer.addAliases(AliasInitializer.java:23)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:585)	at hudson.init.InitializerFinder.invoke(InitializerFinder.java:114)	at hudson.init.InitializerFinder$TaskImpl.run(InitializerFinder.java:178)	at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:259)	at jenkins.model.Jenkins$5.runTask(Jenkins.java:798)	at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:187)	at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:94)	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)	at java.lang.Thread.run(Thread.java:595)