java.lang.NoClassDefFoundError: scala/collection/GenTraversableOnce$class

Stack Overflow | satyajit vegesna | 11 months ago
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  1. 0

    Apache Spark Exception in thread "main" java.lang.NoClassDefFoundError: scala/collection/GenTraversableOnce$class

    Stack Overflow | 11 months ago | satyajit vegesna
    java.lang.NoClassDefFoundError: scala/collection/GenTraversableOnce$class
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    A weird exception using sbt-pack and scala 2.10.ClassNotFoundException: scala.collection.GenTraversableOnce

    Stack Overflow | 12 months ago | aironman
    java.lang.NoClassDefFoundError: scala/collection/GenTraversableOnce$class
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  5. 0
    samebug tip
    Look for missing class files, specially org.I0Itec.zkclient.IZkStateListener.

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Root Cause Analysis

  1. java.lang.ClassNotFoundException

    scala.collection.GenTraversableOnce$class

    at java.net.URLClassLoader$1.run()
  2. Java RT
    ClassLoader.loadClass
    1. java.net.URLClassLoader$1.run(URLClassLoader.java:366)
    2. java.net.URLClassLoader$1.run(URLClassLoader.java:355)
    3. java.security.AccessController.doPrivileged(Native Method)
    4. java.net.URLClassLoader.findClass(URLClassLoader.java:354)
    5. java.lang.ClassLoader.loadClass(ClassLoader.java:425)
    6. sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
    7. java.lang.ClassLoader.loadClass(ClassLoader.java:358)
    7 frames
  3. Spark
    SparkContext.<init>
    1. org.apache.spark.util.TimeStampedWeakValueHashMap.<init>(TimeStampedWeakValueHashMap.scala:42)
    2. org.apache.spark.SparkContext.<init>(SparkContext.scala:298)
    2 frames
  4. com.examples
    testSparkPost.main
    1. com.examples.testSparkPost$.main(testSparkPost.scala:27)
    2. com.examples.testSparkPost.main(testSparkPost.scala)
    2 frames
  5. 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
  6. IDEA
    AppMain.main
    1. com.intellij.rt.execution.application.AppMain.main(AppMain.java:140)
    1 frame