java.lang.UnsupportedClassVersionError

org/geoserver/GeoserverInitStartupListen er : Unsupported major.minor version 51.0

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This might be caused by and outdated version of Java, SonarQube now uses Java 8 as default.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

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

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Solutions on the web4823

  • via Geographic Information Systems by Ferenjito
    , 1 year ago
    org/geoserver/GeoserverInitStartupListen er : Unsupported major.minor version 51.0
  • org/geoserver/GeoserverInitStartupListener : Unsupported major.minor version 51.0
  • via Google Groups by jose antoniel de lima Lima, 1 month ago
    org/red5/ser er/Bootstrap : Unsupported major.minor version 51.0
  • Stack trace

    • java.lang.UnsupportedClassVersionError: org/geoserver/GeoserverInitStartupListen er : Unsupported major.minor version 51.0 at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(Unknown Source) at java.security.SecureClassLoader.defineClass(Unknown Source) at java.net.URLClassLoader.defineClass(Unknown Source) at java.net.URLClassLoader.access$000(Unknown Source) at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at org.mortbay.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:366) at org.mortbay.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:337) at org.mortbay.jetty.handler.ContextHandler.loadClass(ContextHandler.java:1035) at org.mortbay.jetty.webapp.WebXmlConfiguration.initListener(WebXmlConfiguration.java:629) at org.mortbay.jetty.webapp.WebXmlConfiguration.initWebXmlElement(WebXmlConfiguration.java:367) at org.mortbay.jetty.webapp.WebXmlConfiguration.initialize(WebXmlConfiguration.java:289) at org.mortbay.jetty.webapp.WebXmlConfiguration.configure(WebXmlConfiguration.java:222) at org.mortbay.jetty.webapp.WebXmlConfiguration.configureWebApp(WebXmlConfiguration.java:180) at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1217) at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:510) at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:448) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:39) at org.mortbay.jetty.handler.HandlerCollection.doStart(HandlerCollection.java:152) at org.mortbay.jetty.handler.ContextHandlerCollection.doStart(ContextHandlerCollection.java:156) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:39) at org.mortbay.jetty.handler.HandlerCollection.doStart(HandlerCollection.java:152) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:39) at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130) at org.mortbay.jetty.Server.doStart(Server.java:222) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:39) at org.mortbay.xml.XmlConfiguration.main(XmlConfiguration.java:977) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.mortbay.start.Main.invokeMain(Main.java:183) at org.mortbay.start.Main.start(Main.java:497) at org.mortbay.start.Main.main(Main.java:115)

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