Apache Hadoop MapReduce Core errors

https://hadoop.apache.org/docs/r1.2.1/mapred_tutorial.html

A software framework for easily writing applications which process vast amounts of data in-parallel on large clusters of commodity hardware in a reliable, fault-tolerant manner

Documented:

DescriptionException TypeEntry MethodWeb pages
IncompatibleClassChangeErrorJob$10.run22
Package nameClass namePatterns foundSolution coverageDescription coverage
org.apache.hadoop.mapreduceJob131
org.apache.hadoop.mapreduceJobSubmitter17
org.apache.hadoop.mapreduceMapper11
org.apache.hadoop.mapreduceTaskInputOutputContext7
org.apache.hadoop.mapreduceCluster6
org.apache.hadoop.mapreduceJob$106
org.apache.hadoop.mapreduceReducer3
org.apache.hadoop.mapreduceJob$92
org.apache.hadoop.mapreduceJobContext2
org.apache.hadoop.mapreduceMapContext1
org.apache.hadoop.mapreduceTaskAttemptID1
org.apache.hadoop.mapreduceJobSubmissionFiles1
org.apache.hadoop.mapreduceJobID1
Package nameClass nameMethod namePatterns foundSolution coverage
org.apache.hadoop.mapreduceJob$10run6
Package nameClass nameMethod nameException TypePatterns foundSolution coverage
org.apache.hadoop.mapreduceJob$10runIOException4
org.apache.hadoop.mapreduceJob$10runInvalidJobConfException1
org.apache.hadoop.mapreduceJob$10runIncompatibleClassChangeError1