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  1. ,
    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    This might be caused by and outdated version of Java, SonarQube now uses Java 8 as default.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.

  2. ,
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    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: sun/tools/javac/Main (Unsupported major.minor version 48.0)	at java.lang.ClassLoader.defineClass0(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$1.run(Unknown Source)	at java.security.AccessController.doPrivileged(Native Method)	at java.net.URLClassLoader.findClass(Unknown Source)	at org.apache.catalina.loader.StandardClassLoader.findClass(StandardClassLoader.java:671)	at org.apache.catalina.loader.StandardClassLoader.loadClass(StandardClassLoader.java:1090)	at org.apache.catalina.loader.StandardClassLoader.loadClass(StandardClassLoader.java:989)	at org.apache.catalina.loader.StandardClassLoader.loadClass(StandardClassLoader.java:1073)	at org.apache.catalina.loader.StandardClassLoader.loadClass(StandardClassLoader.java:989)	at java.lang.ClassLoader.loadClassInternal(Unknown Source)	at org.apache.jasper.compiler.SunJavaCompiler.compile(SunJavaCompiler.java:128)	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:271)	at org.apache.jasper.servlet.JspServlet.loadJSP(JspServlet.java:546)	at org.apache.jasper.servlet.JspServlet$JspServletWrapper.loadIfNecessary(JspServlet.java:177)	at org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:189)	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:382)	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:474)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:243)	at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:201)	at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)	at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2344)	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)	at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)	at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)	at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170)	at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:462)	at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:163)	at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)	at org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor.java:1011)	at org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:1106)	at java.lang.Thread.run(Unknown Source)