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Samebug tips

  1. ,

    You are not deploying the oracle driver with the application. Place the driver jars in a shared or library extension folder of your application server. (You should go with option one or two though

  2. ,
    Expert tip

    This might be an issue with the file location in the Spark submit command. Try it with

    spark-submit --master spark://master:7077 \ {file location}

Solutions on the web

via GitHub by statkclee
, 1 year ago
via GitHub by roshnamohan
, 1 year ago
java.lang.ClassNotFoundException: sparklyr.Backend	at$ Source)	at$ Source)	at Method)	at Source)	at java.lang.ClassLoader.loadClass(Unknown Source)	at java.lang.ClassLoader.loadClass(Unknown Source)	at java.lang.Class.forName0(Native Method)	at java.lang.Class.forName(Unknown Source)	at org.apache.spark.util.Utils$.classForName(Utils.scala:175)	at org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:689)	at org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:181)	at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:206)	at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:121)	at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)