Apache Hadoop MapReduce Core errors

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

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

Nothing to list here.
Package nameClass namePatterns foundSolution coverageSummary coverage
org.apache.hadoop.mapredMapTask191
org.apache.hadoop.mapredJobClient105
org.apache.hadoop.mapredJobTracker42
org.apache.hadoop.mapredReduceTask36
org.apache.hadoop.mapredFileInputFormat31
org.apache.hadoop.mapredJobConf30
org.apache.hadoop.mapredMapTask$MapOutputBuffer26
org.apache.hadoop.mapredMapRunner12
org.apache.hadoop.mapredMapTask$NewOutputCollector8
org.apache.hadoop.mapredLineRecordReader7
org.apache.hadoop.mapredMapTask$NewDirectOutputCollector7
org.apache.hadoop.mapredJobClient$26
org.apache.hadoop.mapredTextInputFormat6
org.apache.hadoop.mapredMapTask$NewTrackingRecordReader6
org.apache.hadoop.mapredMapTask$TrackedRecordReader6
org.apache.hadoop.mapredMapTask$MapOutputBuffer$Buffer5
org.apache.hadoop.mapredJobInProgress5
org.apache.hadoop.mapredTextOutputFormat4
org.apache.hadoop.mapredMapTask$OldOutputCollector4
org.apache.hadoop.mapredTask4
org.apache.hadoop.mapredFileOutputFormat3
org.apache.hadoop.mapredIFile$Writer3
org.apache.hadoop.mapredSequenceFileInputFormat3
org.apache.hadoop.mapredReduceTask$NewTrackingRecordWriter2
org.apache.hadoop.mapredTaskLog2
org.apache.hadoop.mapredCounters2
org.apache.hadoop.mapredSequenceFileRecordReader2
org.apache.hadoop.mapredMerger2
org.apache.hadoop.mapredMapTask$MapOutputBuffer$SpillThread2
org.apache.hadoop.mapredMapOutputFile2
org.apache.hadoop.mapredTaskStatus2
org.apache.hadoop.mapredFileOutputCommitter2
org.apache.hadoop.mapredOutputCommitter1
org.apache.hadoop.mapredMerger$MergeQueue1
org.apache.hadoop.mapredIFileOutputStream1
org.apache.hadoop.mapredReduceTask$OldTrackingRecordWriter1
org.apache.hadoop.mapredTask$NewCombinerRunner$OutputConverter1
org.apache.hadoop.mapredMerger$Segment1
org.apache.hadoop.mapredMapFileOutputFormat1
org.apache.hadoop.mapredSequenceFileOutputFormat1
org.apache.hadoop.mapredTask$ValuesIterator1
org.apache.hadoop.mapredReduceTask$31
org.apache.hadoop.mapredJobClient$11
org.apache.hadoop.mapredReduceTaskStatus1
org.apache.hadoop.mapredJobClient$NetworkedJob1
org.apache.hadoop.mapredTaskAttemptID1
org.apache.hadoop.mapredTask$CombinerRunner1
org.apache.hadoop.mapredIFile$Reader1
org.apache.hadoop.mapredTask$CombineOutputCollector1
org.apache.hadoop.mapredSpillRecord1
Nothing to list here.
Nothing to list here.