java.lang.ClassNotFoundException: sparklyr.Backend

GitHub | statkclee | 7 months ago
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  1. 0

    GitHub comment 125#251905886

    GitHub | 7 months ago | statkclee
    java.lang.ClassNotFoundException: sparklyr.Backend
  2. 0

    GitHub comment 274#255949841

    GitHub | 6 months ago | roshnamohan
    java.lang.ClassNotFoundException: sparklyr.Backend
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  4. 0

    ClassNotFoundException when trying run the SparkPi example

    Stack Overflow | 3 years ago | coffee
    java.lang.ClassNotFoundException: org.apache.spark.examples.examples/src/main/scala/org/apache/spark/examples/SparkPi.scala
  5. 0

    GitHub comment 69#220480871

    GitHub | 11 months ago | anfeng
    java.lang.ClassNotFoundException: com.yahoo.ml.caffe.CaffeOnSpark

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Root Cause Analysis

  1. java.lang.ClassNotFoundException

    sparklyr.Backend

    at java.net.URLClassLoader$1.run()
  2. Java RT
    Class.forName
    1. java.net.URLClassLoader$1.run(Unknown Source)
    2. java.net.URLClassLoader$1.run(Unknown Source)
    3. java.security.AccessController.doPrivileged(Native Method)
    4. java.net.URLClassLoader.findClass(Unknown Source)
    5. java.lang.ClassLoader.loadClass(Unknown Source)
    6. java.lang.ClassLoader.loadClass(Unknown Source)
    7. java.lang.Class.forName0(Native Method)
    8. java.lang.Class.forName(Unknown Source)
    8 frames
  3. Spark
    SparkSubmit.main
    1. org.apache.spark.util.Utils$.classForName(Utils.scala:175)
    2. org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:689)
    3. org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:181)
    4. org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:206)
    5. org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:121)
    6. org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
    6 frames