[HBASE-14557] MapReduce WALPlayer issue with NoTagsKeyValue

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 1.2.0
• Fix Version/s: 1.2.0, 1.3.0, 2.0.0
• Component/s: tooling
• Hadoop Flags: Reviewed
• Assignee: Anoop Sam John
• Reporter: Jerry He
• Created: 06/Oct/15 03:31
• Updated: 01/Jul/22 21:48
• Resolved: 30/Oct/15 15:51

Description

Running MapReduce WALPlayer to convert WAL into HFiles:

15/10/05 20:28:08 INFO mapred.JobClient: Task Id : attempt_201508031611_0029_m_000000_0, Status : FAILED
java.io.IOException: Type mismatch in value from map: expected org.apache.hadoop.hbase.KeyValue, recieved org.apache.hadoop.hbase.NoTagsKeyValue
        at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.collect(MapTask.java:997)
        at org.apache.hadoop.mapred.MapTask$NewOutputCollector.write(MapTask.java:689)
        at org.apache.hadoop.mapreduce.task.TaskInputOutputContextImpl.write(TaskInputOutputContextImpl.java:89)
        at org.apache.hadoop.mapreduce.lib.map.WrappedMapper$Context.write(WrappedMapper.java:112)
        at org.apache.hadoop.hbase.mapreduce.WALPlayer$WALKeyValueMapper.map(WALPlayer.java:111)
        at org.apache.hadoop.hbase.mapreduce.WALPlayer$WALKeyValueMapper.map(WALPlayer.java:96)
        at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:140)
        at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:751)
        at org.apache.hadoop.mapred.MapTask.run(MapTask.java:368)
        at org.apache.hadoop.mapred.Child$4.run(Child.java:255)
        at java.security.AccessController.doPrivileged(AccessController.java:369)
        at javax.security.auth.Subject.doAs(Subject.java:572)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1502)
        at org.apache.hadoop.mapred.Child.main(Child.java:249)