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  1. ,
    via Stack Overflow by ERJAN

    This exception occurs when using an older version of java. Mainly when trying to run a jar compiled with a newer Java version in an older Java version. We can avoid this issue by executing the jar in the same version which it was compiled.

  2. ,
    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    This might be caused by and outdated version of Java, SonarQube now uses Java 8 as default.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.

Solutions on the web

via java-forum.org by Unknown author, 1 year ago
com/sun/javafx/tools/ant/Application : Unsupported major.minor version 52.0
via Stack Overflow by Unknown author, 2 years ago
com/sun/javafx/tools/ant/Application : Unsupported major.minor version 52.0
via Stack Overflow by Elyes Ben Slimane
, 1 year ago
scala/tools/ant/ClassloadVerify : Unsupported major.minor version 52.0
via coderanch.com by Unknown author, 2 years ago
com/sun/javafx/tools/ant/Application : Unsupported major.minor version 52.0
via coderanch.com by Unknown author, 1 year ago
com/sun/javafx/tools/ant/Application : Unsupported major.minor version 52.0
via netbeans.org by Unknown author, 1 year ago
com/sun/javafx/tools/ant/Permissions : Unsupported major.minor version 52.0
java.lang.UnsupportedClassVersionError: com/sun/javafx/tools/ant/Application : Unsupported major.minor version 52.0	at java.lang.ClassLoader.defineClass1(Native Method)	at java.lang.ClassLoader.defineClass(ClassLoader.java:800)	at org.apache.tools.ant.AntClassLoader.defineClassFromData(AntClassLoader.java:1128)	at org.apache.tools.ant.AntClassLoader.getClassFromStream(AntClassLoader.java:1299)	at org.apache.tools.ant.AntClassLoader.findClassInComponents(AntClassLoader.java:1354)	at org.apache.tools.ant.AntClassLoader.findClass(AntClassLoader.java:1315)	at org.apache.tools.ant.AntClassLoader.loadClass(AntClassLoader.java:1068)	at java.lang.ClassLoader.loadClass(ClassLoader.java:358)	at java.lang.Class.forName0(Native Method)	at java.lang.Class.forName(Class.java:270)	at org.apache.tools.ant.taskdefs.Definer.addDefinition(Definer.java:579)	at org.apache.tools.ant.taskdefs.Definer.execute(Definer.java:237)	at org.apache.tools.ant.taskdefs.Antlib.execute(Antlib.java:177)	at org.apache.tools.ant.taskdefs.Definer.loadAntlib(Definer.java:428)	at org.apache.tools.ant.taskdefs.Definer.execute(Definer.java:277)	at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)	at sun.reflect.GeneratedMethodAccessor52.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:606)	at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)	at org.apache.tools.ant.Task.perform(Task.java:348)	at org.apache.tools.ant.Target.execute(Target.java:435)	at org.apache.tools.ant.Target.performTasks(Target.java:456)	at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1393)	at org.apache.tools.ant.Project.executeTarget(Project.java:1364)	at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)	at org.apache.tools.ant.Project.executeTargets(Project.java:1248)	at org.apache.tools.ant.module.bridge.impl.BridgeImpl.run(BridgeImpl.java:286)	at org.apache.tools.ant.module.run.TargetExecutor.run(TargetExecutor.java:555)	at org.netbeans.core.execution.RunClassThread.run(RunClassThread.java:153)