java.lang.UnsupportedClassVersionError

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tip

Update "latest" to Java 8 on DockerHub.

tip

You're using an older version of java with classes compiled for java7

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This might be caused by and outdated version of Java, SonarQube now uses Java 8 as default.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.

tip

If you're using intellij plugin of sonarqube, you might have to set the JAVA_HOME ambient variable manually.

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    • 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$1.run(URLClassLoader.java:195) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:268) at java.lang.ClassLoader.loadClass(ClassLoader.java:251) at org.apache.tools.ant.AntClassLoader.findBaseClass(AntClassLoader.java:1197) at org.apache.tools.ant.AntClassLoader.loadClass(AntClassLoader.java:973) at java.lang.ClassLoader.loadClass(ClassLoader.java:251) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:242) at org.apache.tools.ant.taskdefs.Definer.addDefinition(Definer.java:457) at org.apache.tools.ant.taskdefs.Definer.execute(Definer.java:183) at org.apache.tools.ant.taskdefs.Antlib.execute(Antlib.java:161) at org.apache.tools.ant.Task.perform(Task.java:364) at org.apache.tools.ant.taskdefs.Definer.loadAntlib(Definer.java:330) at org.apache.tools.ant.taskdefs.Definer.execute(Definer.java:236) at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275) at org.apache.tools.ant.Task.perform(Task.java:364) at org.apache.tools.ant.Target.execute(Target.java:341) at org.apache.tools.ant.helper.ProjectHelper2.parse(ProjectHelper2.java:142) at org.apache.tools.ant.ProjectHelper.configureProject(ProjectHelper.java:91) at org.apache.tools.ant.Main.runBuild(Main.java:653) at org.apache.tools.ant.Main.startAnt(Main.java:187) at org.apache.tools.ant.Main.start(Main.java:150) at org.apache.tools.ant.Main.main(Main.java:240)

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