java.lang.NoClassDefFoundError: ml/dmlc/xgboost4j/scala/spark/XGBoost$

GitHub | philipus | 2 months ago
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    [jvm-packages] The program runs problem & xgboost4j-0.5-maven package error.

    GitHub | 4 months ago | jeromehj
    ml.dmlc.xgboost4j.java.XGBoostError: XGBoostModel training failed
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    This bug happens in version 2.60, try updating to 2.60-rc4 or more recent.
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    Check if you use the right path

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Root Cause Analysis

  1. java.lang.ClassNotFoundException

    ml.dmlc.xgboost4j.scala.spark.XGBoost$

    at java.net.URLClassLoader.findClass()
  2. Java RT
    ClassLoader.loadClass
    1. java.net.URLClassLoader.findClass(URLClassLoader.java:381)
    2. java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    3. java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    3 frames