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Root Cause Analysis

  1. java.lang.ClassNotFoundException

    Class com.amazon.ws.emr.hadoop.fs.EmrFileSystem not found

    at org.apache.hadoop.conf.Configuration.getClassByName()
  2. Hadoop
    Path.getFileSystem
    1. org.apache.hadoop.conf.Configuration.getClassByName(Configuration.java:1801)
    2. org.apache.hadoop.conf.Configuration.getClass(Configuration.java:1893)
    3. org.apache.hadoop.fs.FileSystem.getFileSystemClass(FileSystem.java:2379)
    4. org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2392)
    5. org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:89)
    6. org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2431)
    7. org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2413)
    8. org.apache.hadoop.fs.FileSystem.get(FileSystem.java:368)
    9. org.apache.hadoop.fs.Path.getFileSystem(Path.java:296)
    9 frames
  3. Hadoop
    FileInputFormat.getSplits
    1. org.apache.hadoop.mapred.FileInputFormat.singleThreadedListStatus(FileInputFormat.java:256)
    2. org.apache.hadoop.mapred.FileInputFormat.listStatus(FileInputFormat.java:228)
    3. org.apache.hadoop.mapred.SequenceFileInputFormat.listStatus(SequenceFileInputFormat.java:45)
    4. org.apache.hadoop.mapred.FileInputFormat.getSplits(FileInputFormat.java:304)
    4 frames
  4. org.apache.hadoop
    TezGroupedSplitsInputFormat.getSplits
    1. org.apache.hadoop.mapred.split.TezGroupedSplitsInputFormat.getSplits(TezGroupedSplitsInputFormat.java:75)
    1 frame
  5. org.apache.tez
    RootInputInitializerManager$InputInitializerCallable$1.run
    1. org.apache.tez.mapreduce.hadoop.MRInputHelpers.generateOldSplits(MRInputHelpers.java:441)
    2. org.apache.tez.mapreduce.hadoop.MRInputHelpers.generateInputSplitsToMem(MRInputHelpers.java:295)
    3. org.apache.tez.mapreduce.common.MRInputAMSplitGenerator.initialize(MRInputAMSplitGenerator.java:122)
    4. org.apache.tez.dag.app.dag.RootInputInitializerManager$InputInitializerCallable$1.run(RootInputInitializerManager.java:245)
    5. org.apache.tez.dag.app.dag.RootInputInitializerManager$InputInitializerCallable$1.run(RootInputInitializerManager.java:239)
    5 frames
  6. Java RT
    Subject.doAs
    1. java.security.AccessController.doPrivileged(Native Method)
    2. javax.security.auth.Subject.doAs(Subject.java:415)
    2 frames
  7. Hadoop
    UserGroupInformation.doAs
    1. org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1556)
    1 frame
  8. org.apache.tez
    RootInputInitializerManager$InputInitializerCallable.call
    1. org.apache.tez.dag.app.dag.RootInputInitializerManager$InputInitializerCallable.call(RootInputInitializerManager.java:239)
    2. org.apache.tez.dag.app.dag.RootInputInitializerManager$InputInitializerCallable.call(RootInputInitializerManager.java:226)
    2 frames
  9. Java RT
    Thread.run
    1. java.util.concurrent.FutureTask.run(FutureTask.java:262)
    2. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    3. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    4. java.lang.Thread.run(Thread.java:745)
    4 frames