java.lang.UnsupportedClassVersionError: ControllerTest (Unsupported major.minor version 48.0)

Coderanch | Stan James | 10 years ago
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  1. 0

    UnsupportedClassVersion

    Coderanch | 10 years ago | Stan James
    java.lang.UnsupportedClassVersionError: ControllerTest (Unsupported major.minor version 48.0)
  2. 0

    TOS-win32-x86 - "An error has occured. See the log file" (Page 1) / Data Integration - Installation / Talend Community Forum

    talendforge.org | 1 year ago
    java.lang.UnsupportedClassVersionError: org/talend/osgi/configurator/JarLoaderConfigurator : Unsupported major.minor version 51.0
  3. 0

    Exception in thread "main" java.lang.UnsupportedClassVersionError, Unsupported major.minor version 52.0

    Stack Overflow | 4 years ago | georgiana_e
    java.lang.UnsupportedClassVersionError: WordCount : Unsupported major.minor version 52.0
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  5. 0

    log4j first run errors

    GitHub | 2 years ago | divious1
    java.lang.UnsupportedClassVersionError: clj_json/JsonExt : Unsupported major.minor version 51.0, compiling:(clj_json/core.clj:1:1)
  6. 0

    Has Java 7 happened already?

    GitHub | 2 years ago | huntc
    sbt.IncompatiblePluginsException: Binary incompatibility in plugins detected. Note that conflicts were resolved for some dependencies: org.apache.commons:commons-compress org.tukaani:xz

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Root Cause Analysis

  1. java.lang.UnsupportedClassVersionError

    ControllerTest (Unsupported major.minor version 48.0)

    at java.lang.ClassLoader.defineClass0()
  2. Java RT
    Class.forName
    1. java.lang.ClassLoader.defineClass0(Native Method)
    2. java.lang.ClassLoader.defineClass(ClassLoader.java:703)
    3. java.security.SecureClassLoader.defineClass(SecureClassLoader.java:133)
    4. java.net.URLClassLoader.defineClass(URLClassLoader.java:320)
    5. java.net.URLClassLoader.access$400(URLClassLoader.java:93)
    6. java.net.URLClassLoader$ClassFinder.run(URLClassLoader.java:678)
    7. java.security.AccessController.doPrivileged(Native Method)
    8. java.net.URLClassLoader.findClass(URLClassLoader.java:239)
    9. java.lang.ClassLoader.loadClass(ClassLoader.java:516)
    10. sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:460)
    11. java.lang.ClassLoader.loadClass(ClassLoader.java:448)
    12. java.lang.Class.forName1(Native Method)
    13. java.lang.Class.forName(Class.java:142)
    13 frames
  3. Apache Ant + JUnit
    JUnitTestRunner.main
    1. org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.<init>(JUnitTestRunner.java:237)
    2. org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.<init>(JUnitTestRunner.java:210)
    3. org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.main(JUnitTestRunner.java:532)
    3 frames