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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. ,

    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

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via incubator-flume-user by Dongliang Sun, 1 week ago
org.apache.flume.clients.log4jappender.Log4jAppender
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org.apache.flume.clients.log4jappender.Log4jAppender
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java.lang.ClassNotFoundException: org.apache.flume.clients.log4jappender.Log4jAppender	at java.net.URLClassLoader$1.run(URLClassLoader.java:202)	at java.security.AccessController.doPrivileged(Native Method)	at java.net.URLClassLoader.findClass(URLClassLoader.java:190)	at java.lang.ClassLoader.loadClass(ClassLoader.java:306)	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)	at java.lang.ClassLoader.loadClass(ClassLoader.java:247)	at java.lang.Class.forName0(Native Method)	at java.lang.Class.forName(Class.java:169)	at org.apache.log4j.helpers.Loader.loadClass(Loader.java:179)	at org.apache.log4j.helpers.OptionConverter.instantiateByClassName(OptionConverter.java:320)	at org.apache.log4j.helpers.OptionConverter.instantiateByKey(OptionConverter.java:121)	at org.apache.log4j.PropertyConfigurator.parseAppender(PropertyConfigurator.java:664)	at org.apache.log4j.PropertyConfigurator.parseCategory(PropertyConfigurator.java:647)	at org.apache.log4j.PropertyConfigurator.parseCatsAndRenderers(PropertyConfigurator.java:568)	at org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.java:442)	at org.apache.log4j.PropertyConfigurator.configure(PropertyConfigurator.java:367)	at org.apache.pig.Main.configureLog4J(Main.java:678)	at org.apache.pig.Main.run(Main.java:337)	at org.apache.pig.Main.main(Main.java:111)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at org.apache.hadoop.util.RunJar.main(RunJar.java:156)