java.lang.UnsupportedClassVersionError

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This might be caused by and outdated version of Java, SonarQube now uses Java 8 as default.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

tip

Update "latest" to Java 8 on DockerHub.

tip

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

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

  • java.lang.UnsupportedClassVersionError: Bad version number in .class file 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$100(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.apache.axis2.deployment.DeploymentClassLoader.findClass(DeploymentClassLoader.java:75) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at org.apache.axis2.util.Loader.loadClass(Loader.java:218) at org.apache.axis2.receivers.AbstractMessageReceiver.makeNewServiceObject(AbstractMessageReceiver.java:182) at org.apache.axis2.receivers.AbstractMessageReceiver.getTheImplementationObject(AbstractMessageReceiver.java:224) at com.intalio.bpms.tools.webservices.emailhtml.EmailHTMLServiceWSMessageReceiverInOut.invokeBusinessLogic(EmailHTMLServiceWSMessageReceiverInOut.java:23) at org.apache.axis2.receivers.AbstractInOutSyncMessageReceiver.invokeBusinessLogic(AbstractInOutSyncMessageReceiver.java:42) at org.apache.axis2.receivers.AbstractMessageReceiver.receive(AbstractMessageReceiver.java:96) at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:145) at org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:275) at org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:120) at javax.servlet.http.HttpServlet.service(HttpServlet.java:713) at javax.servlet.http.HttpServlet.service(HttpServlet.java:806) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487) at org.apache.geronimo.jetty6.InternalJettyServletHolder.handle(InternalJettyServletHolder.java:65) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:362) at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181) at org.apache.geronimo.jetty6.handler.ThreadClassloaderHandler.handle(ThreadClassloaderHandler.java:46) at org.apache.geronimo.jetty6.handler.InstanceContextHandler.handle(InstanceContextHandler.java:58) at org.apache.geronimo.jetty6.handler.UserTransactionHandler.handle(UserTransactionHandler.java:48) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:712) at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405) at org.apache.geronimo.jetty6.handler.ComponentContextHandler.handle(ComponentContextHandler.java:47) at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:211) at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139) at org.mortbay.jetty.Server.handle(Server.java:313) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:506) at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:844) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:726) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:381) at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:396) at org.apache.geronimo.pool.ThreadPool$1.run(ThreadPool.java:201) at org.apache.geronimo.pool.ThreadPool$ContextClassLoaderRunnable.run(ThreadPool.java:331) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source)

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