java.lang.NoClassDefFoundError: scala/Product

GitHub | 06needhamt | 8 months ago
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  1. 0
    samebug tip
    This error means there's a class missing in your classpath during runtime. You need to create a jar with all your dependencies and have it in your classpath. Check Maven Assembly Plugin and how to add your dependencies to a jar: https://goo.gl/U2zr8k
  2. 0

    GitHub comment 208#248271850

    GitHub | 8 months ago | 06needhamt
    java.lang.NoClassDefFoundError: scala/Product
  3. 0

    How to run the compiler?

    GitHub | 2 years ago | xanderdunn
    java.lang.NoClassDefFoundError: scala/Product
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    App Crashing Right After Launch

    GitHub | 1 year ago | viktorievasova
    java.lang.NoClassDefFoundError: LibraryList
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    Spring "hello world" example error: A JNI error has occured & NoClassDefFoundError: org/springframework/beans/factory/ListableBeanFactory

    Stack Overflow | 5 months ago | Jenning Lang
    java.lang.NoClassDefFoundError: org/springframework/beans/factory/ListableBeanFactory

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Root Cause Analysis

  1. java.lang.ClassNotFoundException

    scala.Product

    at java.net.URLClassLoader.findClass()
  2. Java RT
    LauncherHelper.checkAndLoadMain
    1. java.net.URLClassLoader.findClass(URLClassLoader.java:381)
    2. java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    3. sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
    4. java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    5. java.lang.ClassLoader.defineClass1(Native Method)
    6. java.lang.ClassLoader.defineClass(ClassLoader.java:763)
    7. java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
    8. java.net.URLClassLoader.defineClass(URLClassLoader.java:467)
    9. java.net.URLClassLoader.access$100(URLClassLoader.java:73)
    10. java.net.URLClassLoader$1.run(URLClassLoader.java:368)
    11. java.net.URLClassLoader$1.run(URLClassLoader.java:362)
    12. java.security.AccessController.doPrivileged(Native Method)
    13. java.net.URLClassLoader.findClass(URLClassLoader.java:361)
    14. java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    15. sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
    16. java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    17. java.lang.Class.getDeclaredMethods0(Native Method)
    18. java.lang.Class.privateGetDeclaredMethods(Class.java:2701)
    19. java.lang.Class.privateGetMethodRecursive(Class.java:3048)
    20. java.lang.Class.getMethod0(Class.java:3018)
    21. java.lang.Class.getMethod(Class.java:1784)
    22. sun.launcher.LauncherHelper.validateMainClass(LauncherHelper.java:544)
    23. sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:526)
    23 frames