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Samebug tips

  1. ,
    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}
    
    
  2. ,
    via netty.io by Unknown author

    Needs to add netty-transport-native-epoll with a OS classifier to the classpath, it's not included in netty-all

Solutions on the web

via Google Groups by Unknown author, 1 year ago
org.apache.spark.h2o.H2OContext
via Stack Overflow by Jing Ran
, 10 months ago
via GitHub by renegademonkey
, 1 year ago
org.apache.spark.h2o.H2OContext
via GitHub by BruceZhaoR
, 9 months ago
java.lang.ClassNotFoundException: org.apache.spark.h2o.H2OContext	at java.net.URLClassLoader.findClass(URLClassLoader.java:381)	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:497)	at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:231)	at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:379)	at py4j.Gateway.invoke(Gateway.java:259)	at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:133)	at py4j.commands.CallCommand.execute(CallCommand.java:79)	at py4j.GatewayConnection.run(GatewayConnection.java:207)	at java.lang.Thread.run(Thread.java:745)