java.lang.UnsupportedClassVersionError

Bad version number in .class file

Samebug tips4

This might be caused by and outdated version of Java, SonarQube now uses Java 8 as default.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


rafaelrafael

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


rafaelrafael

Don't give up yet. Our experts can help. Paste your full stack trace to get a solution.

Solutions on the web3050

  • Stack trace

    • 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 winstone.classLoader.WebappClassLoader.loadClass(WebappClassLoader.java:68) at java.lang.ClassLoader.loadClass(ClassLoader.java:251) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319) at hudson.DNSMultiCast.<init>(DNSMultiCast.java:26) at hudson.model.Hudson.<init>(Hudson.java:691) at hudson.model.Hudson.<init>(Hudson.java:605) at hudson.WebAppMain$2.run(WebAppMain.java:221)

    Write tip

    You have a different solution? A short tip here would help you and many other users who saw this issue last week.

    Users with the same issue

    Unknown visitor
    Unknown visitorOnce,
    Unknown visitor
    Unknown visitorOnce,
    andyglickandyglick
    6 times, last one
    rafaelrafael
    2 times, last one
    Unknown visitor
    Unknown visitorOnce,
    193 more bugmates