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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

Solutions on the web

via apache.org by Unknown author, 2 years ago
java.lang.RuntimeException: java.lang.ClassNotFoundException: org.apache.mahout.vectorizer.document.SequenceFileTokenizerMapper
via Apache's JIRA Issue Tracker by Lewis John McGibbney, 1 year ago
java.lang.RuntimeException: java.lang.ClassNotFoundException: org.apache.mahout.vectorizer.document.SequenceFileTokenizerMapper
via apache.org by Unknown author, 2 years ago
java.lang.RuntimeException: java.lang.ClassNotFoundException: org.apache.mahout.vectorizer.document.SequenceFileTokenizerMapper
via Apache's JIRA Issue Tracker by Lewis John McGibbney, 2 years ago
java.lang.RuntimeException: java.lang.ClassNotFoundException: org.apache.mahout.vectorizer.document.SequenceFileTokenizerMapper
via Stack Overflow by user236575
, 1 year ago
java.lang.RuntimeException: java.lang.ClassNotFoundException: Class widgets not found
via GitHub by skiefer
, 2 years ago
java.lang.RuntimeException: java.lang.NullPointerException
java.lang.ClassNotFoundException: org.apache.mahout.vectorizer.document.SequenceFileTokenizerMapper	at java.net.URLClassLoader$1.run(URLClassLoader.java:372)	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)	at java.security.AccessController.doPrivileged(Native Method)	at java.net.URLClassLoader.findClass(URLClassLoader.java:360)	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)	at java.lang.Class.forName0(Native Method)	at java.lang.Class.forName(Class.java:340)	at org.apache.hadoop.conf.Configuration.getClassByName(Configuration.java:810)	at org.apache.hadoop.conf.Configuration.getClass(Configuration.java:855)	at org.apache.hadoop.mapreduce.JobContext.getMapperClass(JobContext.java:199)	at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:718)	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:364)	at org.apache.hadoop.mapred.LocalJobRunner$Job$MapTaskRunnable.run(LocalJobRunner.java:223)	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)	at java.util.concurrent.FutureTask.run(FutureTask.java:266)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)	at java.lang.Thread.run(Thread.java:745)