[PIG-5065] Unable to read records from multiple files written with OrcStorage

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 0.16.0

Environment

Pig Version: 0.16.0
Tez: 0.8.4
OS: Amazon Linux AMI 2016.09 (rhel fedora) / EMR 5.1.0

• Assignee: Unassigned
• Reporter: Roman Kotelnikov
• Created: 18/Nov/16 13:39
• Updated: 18/Nov/16 22:17

Description

Scenario:

1. Read data from .TSV file & store using ORC

x = load '$INPUT' USING PigStorage('\t', '-schema');

y = FOREACH (GROUP x BY fields PARALLEL 10) { GENERATE *; };

store y into '$OUTPUT' USING OrcStorage();

[hadoop@ip-10-0-0-28 ~]$ hdfs dfs -ls /out
Found 10 items
-rw-r--r--   1 hadoop hadoop     101340 2016-11-18 13:18 /out/part-v001-o000-r-00000
-rw-r--r--   1 hadoop hadoop      94853 2016-11-18 13:18 /out/part-v001-o000-r-00001
-rw-r--r--   1 hadoop hadoop      90494 2016-11-18 13:18 /out/part-v001-o000-r-00002
-rw-r--r--   1 hadoop hadoop     109485 2016-11-18 13:18 /out/part-v001-o000-r-00003
-rw-r--r--   1 hadoop hadoop      75547 2016-11-18 13:18 /out/part-v001-o000-r-00004
-rw-r--r--   1 hadoop hadoop     115291 2016-11-18 13:18 /out/part-v001-o000-r-00005
-rw-r--r--   1 hadoop hadoop     106647 2016-11-18 13:18 /out/part-v001-o000-r-00006
-rw-r--r--   1 hadoop hadoop      80439 2016-11-18 13:18 /out/part-v001-o000-r-00007
-rw-r--r--   1 hadoop hadoop     107185 2016-11-18 13:18 /out/part-v001-o000-r-00008
-rw-r--r--   1 hadoop hadoop     122105 2016-11-18 13:18 /out/part-v001-o000-r-00009

2. Try to read data with

x = load '$INPUT' using OrcStorage();

store x into '$OUTPUT' using PigStorage('\t', '-schema');

Getting following exception

31768 [main] ERROR org.apache.pig.tools.grunt.GruntParser  - ERROR 2998: Unhandled internal error. Vertex failed, vertexName=scope-2, vertexId=vertex_1479474344597_0006_1_00, diagnostics=[Task failed, taskId=task_1479474344597_0006_1_00_000000, diagnostics=[TaskAttempt 0 failed, info=[Error: Error while running task ( failure ) : attempt_1479474344597_0006_1_00_000000_0:java.lang.ArrayIndexOutOfBoundsException: 1024
	at org.apache.orc.impl.RunLengthIntegerReaderV2.nextVector(RunLengthIntegerReaderV2.java:369)
	at org.apache.orc.impl.TreeReaderFactory$BytesColumnVectorUtil.commonReadByteArrays(TreeReaderFactory.java:1231)
	at org.apache.orc.impl.TreeReaderFactory$BytesColumnVectorUtil.readOrcByteArrays(TreeReaderFactory.java:1268)
	at org.apache.orc.impl.TreeReaderFactory$StringDirectTreeReader.nextVector(TreeReaderFactory.java:1368)
	at org.apache.orc.impl.TreeReaderFactory$StringTreeReader.nextVector(TreeReaderFactory.java:1212)
	at org.apache.orc.impl.TreeReaderFactory$StructTreeReader.nextVector(TreeReaderFactory.java:1754)
	at org.apache.orc.impl.TreeReaderFactory$ListTreeReader.nextVector(TreeReaderFactory.java:1902)
	at org.apache.orc.impl.TreeReaderFactory$StructTreeReader.nextBatch(TreeReaderFactory.java:1737)
	at org.apache.orc.impl.RecordReaderImpl.nextBatch(RecordReaderImpl.java:1045)
	at org.apache.hadoop.hive.ql.io.orc.RecordReaderImpl.ensureBatch(RecordReaderImpl.java:77)
	at org.apache.hadoop.hive.ql.io.orc.RecordReaderImpl.hasNext(RecordReaderImpl.java:89)
	at org.apache.hadoop.hive.ql.io.orc.OrcNewInputFormat$OrcRecordReader.nextKeyValue(OrcNewInputFormat.java:110)
	at org.apache.pig.builtin.OrcStorage.getNext(OrcStorage.java:375)
	at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigRecordReader.nextKeyValue(PigRecordReader.java:204)
	at org.apache.tez.mapreduce.lib.MRReaderMapReduce.next(MRReaderMapReduce.java:119)
	at org.apache.pig.backend.hadoop.executionengine.tez.plan.operator.POSimpleTezLoad.getNextTuple(POSimpleTezLoad.java:140)
	at org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.processInput(PhysicalOperator.java:305)
	at org.apache.pig.backend.hadoop.executionengine.tez.plan.operator.POStoreTez.getNextTuple(POStoreTez.java:123)
	at org.apache.pig.backend.hadoop.executionengine.tez.runtime.PigProcessor.runPipeline(PigProcessor.java:376)
	at org.apache.pig.backend.hadoop.executionengine.tez.runtime.PigProcessor.run(PigProcessor.java:241)
	at org.apache.tez.runtime.LogicalIOProcessorRuntimeTask.run(LogicalIOProcessorRuntimeTask.java:370)
	at org.apache.tez.runtime.task.TaskRunner2Callable$1.run(TaskRunner2Callable.java:73)
	at org.apache.tez.runtime.task.TaskRunner2Callable$1.run(TaskRunner2Callable.java:61)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1698)
	at org.apache.tez.runtime.task.TaskRunner2Callable.callInternal(TaskRunner2Callable.java:61)
	at org.apache.tez.runtime.task.TaskRunner2Callable.callInternal(TaskRunner2Callable.java:37)
	at org.apache.tez.common.CallableWithNdc.call(CallableWithNdc.java:36)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)