java.lang.UnsupportedClassVersionError: net/sourceforge/pmd/lang/apex/ApexLanguageModule : Unsupported major.minor version 52.0

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    Root Cause Analysis

    1. java.lang.UnsupportedClassVersionError

      net/sourceforge/pmd/lang/apex/ApexLanguageModule : Unsupported major.minor version 52.0

      at java.lang.ClassLoader.defineClass1()
    2. Java RT
      ClassLoader.defineClass
      1. java.lang.ClassLoader.defineClass1(Native Method)
      2. java.lang.ClassLoader.defineClass(ClassLoader.java:800)
      2 frames
    3. Ant
      AntClassLoader.loadClass
      1. org.apache.tools.ant.AntClassLoader.defineClassFromData(AntClassLoader.java:1149)
      2. org.apache.tools.ant.AntClassLoader.getClassFromStream(AntClassLoader.java:1320)
      3. org.apache.tools.ant.AntClassLoader.findClassInComponents(AntClassLoader.java:1376)
      4. org.apache.tools.ant.AntClassLoader.findClass(AntClassLoader.java:1337)
      5. org.apache.tools.ant.AntClassLoader.loadClass(AntClassLoader.java:1089)
      5 frames
    4. Java RT
      ServiceLoader$1.next
      1. java.lang.ClassLoader.loadClass(ClassLoader.java:358)
      2. java.lang.Class.forName0(Native Method)
      3. java.lang.Class.forName(Class.java:274)
      4. java.util.ServiceLoader$LazyIterator.next(ServiceLoader.java:363)
      5. java.util.ServiceLoader$1.next(ServiceLoader.java:445)
      5 frames
    5. PMD Core
      PMDTaskImpl.<init>
      1. net.sourceforge.pmd.lang.LanguageRegistry.<init>(LanguageRegistry.java:25)
      2. net.sourceforge.pmd.lang.LanguageRegistry.<clinit>(LanguageRegistry.java:18)
      3. net.sourceforge.pmd.ant.internal.PMDTaskImpl.<init>(PMDTaskImpl.java:80)
      3 frames
    6. PMD
      PMDTask.execute
      1. net.sourceforge.pmd.ant.PMDTask.execute(PMDTask.java:45)
      1 frame
    7. Ant
      UnknownElement.execute
      1. org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:293)
      1 frame
    8. Java RT
      Method.invoke
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      4. java.lang.reflect.Method.invoke(Method.java:606)
      4 frames
    9. Ant
      Main.startAnt
      1. org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
      2. org.apache.tools.ant.Task.perform(Task.java:348)
      3. org.apache.tools.ant.Target.execute(Target.java:435)
      4. org.apache.tools.ant.Target.performTasks(Target.java:456)
      5. org.apache.tools.ant.Project.executeSortedTargets(Project.java:1405)
      6. org.apache.tools.ant.Project.executeTarget(Project.java:1376)
      7. org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
      8. org.apache.tools.ant.Project.executeTargets(Project.java:1260)
      9. org.apache.tools.ant.Main.runBuild(Main.java:853)
      10. org.apache.tools.ant.Main.startAnt(Main.java:235)
      10 frames
    10. Apache Ant Launcher
      Launcher.main
      1. org.apache.tools.ant.launch.Launcher.run(Launcher.java:285)
      2. org.apache.tools.ant.launch.Launcher.main(Launcher.java:112)
      2 frames