java.lang.ClassNotFoundException: HelloWorld

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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 \
     hello_world_from_pyspark.py {file location}


java.lang.ClassNotFoundException: HelloWorld	at java.net.URLClassLoader$1.run(URLClassLoader.java:366)	at java.net.URLClassLoader$1.run(URLClassLoader.java:355)	at java.security.AccessController.doPrivileged(Native Method)	at java.net.URLClassLoader.findClass(URLClassLoader.java:354)	at java.lang.ClassLoader.loadClass(ClassLoader.java:425)	at java.lang.ClassLoader.loadClass(ClassLoader.java:358)	at java.lang.Class.forName0(Native Method)	at java.lang.Class.forName(Class.java:270)	at org.apache.spark.deploy.SparkSubmit$.launch(SparkSubmit.scala:342)	at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:75)	at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)