Lei (Eddy) Xu created HDFS-12953:
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Summary: XORRawDecoder.doDecode throws NullPointerException
Key: HDFS-12953
URL: https://issues.apache.org/jira/browse/HDFS-12953
Project: Hadoop HDFS
Issue Type: Bug
Components: erasure-coding
Affects Versions: 3.0.0
Reporter: Lei (Eddy) Xu
Thanks [~danielpol] report on HDFS-12860.
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17/11/30 04:19:55 INFO mapreduce.Job: map 0% reduce 0%
17/11/30 04:20:01 INFO mapreduce.Job: Task Id :
attempt_1512036058655_0003_m_000002_0, Status : FAILED
Error: java.lang.NullPointerException
at
org.apache.hadoop.io.erasurecode.rawcoder.XORRawDecoder.doDecode(XORRawDecoder.java:83)
at
org.apache.hadoop.io.erasurecode.rawcoder.RawErasureDecoder.decode(RawErasureDecoder.java:106)
at
org.apache.hadoop.io.erasurecode.rawcoder.RawErasureDecoder.decode(RawErasureDecoder.java:170)
at
org.apache.hadoop.hdfs.StripeReader.decodeAndFillBuffer(StripeReader.java:423)
at
org.apache.hadoop.hdfs.StatefulStripeReader.decode(StatefulStripeReader.java:94)
at org.apache.hadoop.hdfs.StripeReader.readStripe(StripeReader.java:382)
at
org.apache.hadoop.hdfs.DFSStripedInputStream.readOneStripe(DFSStripedInputStream.java:318)
at
org.apache.hadoop.hdfs.DFSStripedInputStream.readWithStrategy(DFSStripedInputStream.java:391)
at org.apache.hadoop.hdfs.DFSInputStream.read(DFSInputStream.java:813)
at java.io.DataInputStream.read(DataInputStream.java:149)
at
org.apache.hadoop.examples.terasort.TeraInputFormat$TeraRecordReader.nextKeyValue(TeraInputFormat.java:257)
at
org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.nextKeyValue(MapTask.java:563)
at
org.apache.hadoop.mapreduce.task.MapContextImpl.nextKeyValue(MapContextImpl.java:80)
at
org.apache.hadoop.mapreduce.lib.map.WrappedMapper$Context.nextKeyValue(WrappedMapper.java:91)
at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:145)
at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:794)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:342)
at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:174)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1962)
at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:168)
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