java.lang.IncompatibleClassChangeError: Found interface org.apache.hadoop.mapreduce.JobContext, but class was expected

crunch-user | Aditi Viswanathan | 2 years ago
  1. 0

    IncompatibleClassChangeError while running the crunch-examples job jar

    crunch-user | 2 years ago | Aditi Viswanathan
    java.lang.IncompatibleClassChangeError: Found interface org.apache.hadoop.mapreduce.JobContext, but class was expected
  2. 0

    RE: IncompatibleClassChangeError while running the crunch-examples job jar

    crunch-user | 2 years ago | Aditi Viswanathan
    java.lang.IncompatibleClassChangeError: Found interface org.apache.hadoop.mapreduce.JobContext, but class was expected
  3. 0

    Error in pig while loading data

    Stack Overflow | 3 years ago | Hardik Barot
    java.lang.IncompatibleClassChangeError: Found interface org.apache.hadoop.mapreduce.JobContext, but class was expected
  4. Speed up your debug routine!

    Automated exception search integrated into your IDE

  5. 0

    Trying to load indexed LZO file using LzoPigStorage and elephant-bird

    Stack Overflow | 3 years ago | Carl Sagan
    java.lang.IncompatibleClassChangeError: Found interface org.apache.hadoop.mapreduce.JobContext, but class was expected
  6. 0

    Cassandra ColumnFamilyInputformat throwing IncompatibleClassChangeError on Hadoop 2.2

    Stack Overflow | 3 years ago | user3207663
    java.lang.IncompatibleClassChangeError: Found interface org.apache.hadoop.mapreduce.JobContext, but class was expected

    Not finding the right solution?
    Take a tour to get the most out of Samebug.

    Tired of useless tips?

    Automated exception search integrated into your IDE

    Root Cause Analysis

    1. java.lang.IncompatibleClassChangeError

      Found interface org.apache.hadoop.mapreduce.JobContext, but class was expected

      at org.apache.crunch.impl.mr.run.CrunchInputFormat.getSplits()
    2. org.apache.crunch
      CrunchInputFormat.getSplits
      1. org.apache.crunch.impl.mr.run.CrunchInputFormat.getSplits(CrunchInputFormat.java:44)
      1 frame
    3. Hadoop
      Job$10.run
      1. org.apache.hadoop.mapreduce.JobSubmitter.writeNewSplits(JobSubmitter.java:493)
      2. org.apache.hadoop.mapreduce.JobSubmitter.writeSplits(JobSubmitter.java:510)
      3. org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:394)
      4. org.apache.hadoop.mapreduce.Job$10.run(Job.java:1295)
      5. org.apache.hadoop.mapreduce.Job$10.run(Job.java:1292)
      5 frames
    4. Java RT
      Subject.doAs
      1. java.security.AccessController.doPrivileged(Native Method)
      2. javax.security.auth.Subject.doAs(Subject.java:415)
      2 frames
    5. Hadoop
      UserGroupInformation.doAs
      1. org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1548)
      1 frame
    6. Hadoop
      Job.submit
      1. org.apache.hadoop.mapreduce.Job.submit(Job.java:1292)
      1 frame
    7. org.apache.crunch
      MRExecutor$1.run
      1. org.apache.crunch.hadoop.mapreduce.lib.jobcontrol.CrunchControlledJob.submit(CrunchControlledJob.java:340)
      2. org.apache.crunch.hadoop.mapreduce.lib.jobcontrol.CrunchJobControl.startReadyJobs(CrunchJobControl.java:277)
      3. org.apache.crunch.hadoop.mapreduce.lib.jobcontrol.CrunchJobControl.pollJobStatusAndStartNewOnes(CrunchJobControl.java:316)
      4. org.apache.crunch.impl.mr.exec.MRExecutor.monitorLoop(MRExecutor.java:113)
      5. org.apache.crunch.impl.mr.exec.MRExecutor.access$000(MRExecutor.java:55)
      6. org.apache.crunch.impl.mr.exec.MRExecutor$1.run(MRExecutor.java:84)
      6 frames
    8. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:744)
      1 frame