java.lang.RuntimeException: java.lang.ClassNotFoundException: Class >> >> WordCount2$Map not found at >> org.apache.hadoop.conf.Configuration.getClass(Configuration.java:1439) at >> >> >> org.apache.hadoop.mapreduce.task.JobContextImpl.getMapperClass(JobContextImpl.java:191)

hadoop-user | Mahesh Balija | 4 years ago
  1. 0

    Re: Trouble with Word Count example

    hadoop-user | 4 years ago | Mahesh Balija
    java.lang.RuntimeException: java.lang.ClassNotFoundException: Class >> >> WordCount2$Map not found at >> org.apache.hadoop.conf.Configuration.getClass(Configuration.java:1439) at >> >> >> org.apache.hadoop.mapreduce.task.JobContextImpl.getMapperClass(JobContextImpl.java:191)
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    User and support list for MongoDB, a NoSQL database. ()

    gmane.org | 11 months ago
    java.lang.RuntimeException: java.lang.ClassNotFoundException: Class com.mongodb.hadoop.MongoOutputFormat not found at org.apache.hadoop.conf.Configuration.getClass(Configuration.java:1571) at org.apache.hadoop.mapreduce.task.JobContextImpl.getOutputFormatClass(JobContextImpl.java: 227)
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    [elasticsearch] Pushing data from Hive to Elastic Search - Grokbase

    grokbase.com | 1 year ago
    java.lang.RuntimeException: Error in configuring object at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:106) at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:72) at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:130)
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  5. 0

    hive-dev-hadoop-apache - [jira] [Commented] (HIVE-4770) java.lang.RuntimeException: org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime Error while processing row - msg#01114 - Recent Discussion OSDir.com

    osdir.com | 4 months ago
    java.lang.RuntimeException: Hive Runtime Error while closing operators at org.apache.hadoop.hive.ql.exec.vector.VectorExecMapper.close(VectorExecMapper.java:229)
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    Executing HBase MapReduce Jobs from a client machine without access to Hadoop binaries... - Grokbase

    grokbase.com | 1 year ago
    java.lang.RuntimeException: java.lang.ClassNotFoundException: Class org.apache.hadoop.hbase.mapreduce.MultiTableOutputFormat not found at org.apache.hadoop.conf.Configuration.getClass(Configuration.java:1571) at org.apache.hadoop.mapreduce.task.JobContextImpl.getOutputFormatClass(JobContextImpl.java:227)

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    Root Cause Analysis

    1. java.lang.RuntimeException

      java.lang.ClassNotFoundException: Class >> >> WordCount2$Map not found at >> org.apache.hadoop.conf.Configuration.getClass(Configuration.java:1439) at >> >> >> org.apache.hadoop.mapreduce.task.JobContextImpl.getMapperClass(JobContextImpl.java:191)

      at org.apache.hadoop.mapred.MapTask.runNewMapper()
    2. Hadoop
      Child$4.run
      1. org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:605)
      2. org.apache.hadoop.mapred.MapTask.run(MapTask.java:325)
      3. org.apache.hadoop.mapred.Child$4.run(Child.java:270)
      3 frames
    3. Java RT
      Subject.doAs
      1. java.security.AccessController.doPrivileged(Native Method)
      2. javax.security.auth.Subject.doAs(Subject.java:416)
      2 frames