Details
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Bug
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Status: Resolved
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Critical
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Resolution: Duplicate
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None
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None
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Description
TEZ-2162 didn't resolve it completely. Paste the comment from TEZ-2162
But there's one exceptional case that if user specify OutputFormat through conf, then even MROutput is on mapper side, user still need to use property MRJobConfig.NEW_API_REDUCER_CONFIG rather than NEW_API_MAPPER_CONFIG. Or I think we can take useNewAPI as true as any of NEW_API_MAPPER_CONFIG, NEW_API_REDUCER_CONFIG is set true (patch didn't include this now)
This issue happens when translating from Mapper-only MR job to tez.
12:50:07,425 - Thread( main) - (Job.java:1386) - Job job_1427876879456_0010 failed with state FAILED due to: Vertex failed, vertexName=initialmap, vertexId=vertex_1427876879456_0010_1_00, diagnostics=[Task failed, taskId=task_1427876879456_0010_1_00_000000, diagnostics=[TaskAttempt 0 failed, info=[Error: Failure while running task:java.lang.ClassCastException: org.apache.hadoop.mapred.FileOutputCommitter cannot be cast to org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter at org.apache.hadoop.mapreduce.lib.output.FileOutputFormat.getWorkOutputPath(FileOutputFormat.java:222) at org.apache.sqoop.mapreduce.TextImportMapper.setup(TextImportMapper.java:48) at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:142) at org.apache.sqoop.mapreduce.AutoProgressMapper.run(AutoProgressMapper.java:64) at org.apache.tez.mapreduce.processor.map.MapProcessor.runNewMapper(MapProcessor.java:237) at org.apache.tez.mapreduce.processor.map.MapProcessor.run(MapProcessor.java:124) at org.apache.tez.runtime.LogicalIOProcessorRuntimeTask.run(LogicalIOProcessorRuntimeTask.java:330) at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable$1.run(TezTaskRunner.java:180) at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable$1.run(TezTaskRunner.java:172) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:415) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1628) at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable.callInternal(TezTaskRunner.java:172) at org.apache.tez.runtime.task.TezTaskRunner$TaskRunnerCallable.callInternal(TezTaskRunner.java:168) at org.apache.tez.common.CallableWithNdc.call(CallableWithNdc.java:36) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745)
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- Closed
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