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  • idea 运行scala代码 报错:Exception in thread "main" java.lang.NoClassDefFoundError: scala/Predef$ java.lang.NoClassDefFoundError: scala/Function0 Error: A JNI error has occurred, please check your installati

    各种报错信息如下:

    java.lang.NoClassDefFoundError: scala/Function0
    at java.lang.Class.getDeclaredMethods0(Native Method)
    at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)
    at java.lang.Class.privateGetMethodRecursive(Class.java:3048)
    at java.lang.Class.getMethod0(Class.java:3018)
    at java.lang.Class.getMethod(Class.java:1784)
    at sun.launcher.LauncherHelper.validateMainClass(LauncherHelper.java:544)
    at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:526)
    Caused by: java.lang.ClassNotFoundException: scala.Function0
    at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    ... 7 more
    Error: A JNI error has occurred, please check your installation and try again
    Exception in thread "main"

    Exception in thread "main" java.lang.NoClassDefFoundError: scala/Predef$
    at com.atguigu.wordcount.CustomerPartitioner$.main(CustomerPartitioner.scala:5)
    at com.atguigu.wordcount.CustomerPartitioner.main(CustomerPartitioner.scala)
    Caused by: java.lang.ClassNotFoundException: scala.Predef$
    at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    ... 2 more

    解决方案

    去掉maven中的provided配置

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  • 原文地址:https://www.cnblogs.com/spicy/p/9744917.html
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