[
https://issues.apache.org/jira/browse/FLINK-13655?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
LiJun updated FLINK-13655:
--------------------------
Description:
Symptom:
flink program can sucessfully read and process single ORC file from
HDFS,whatever given reading path is file's parent folder or specific file path.
However,I put them together in the same folder and program reads that folder,
the following error always occurs.
{color:#cc7832}val {color}configHadoop = {color:#cc7832}new
{color}org.apache.hadoop.conf.Configuration()
configHadoop.set({color:#6a8759}"HADOOP_USER_NAME"{color}{color:#cc7832},
{color}{color:#6a8759}"user"{color})
configHadoop.set({color:#6a8759}"fs.defaultFS"{color}{color:#cc7832},
{color}{color:#6a8759}"xx.xxx.xx.xx"{color})
{color:#cc7832}val {color}env = ExecutionEnvironment.getExecutionEnvironment
{color:#cc7832}val {color}bTableEnv = TableEnvironment.getTableEnvironment(env)
{color:#cc7832}val {color}orcTableSource = OrcTableSource.builder()
{color:#808080}// path to ORC file(s). NOTE: By default, directories are
recursively scanned.{color} .path(inPath)
{color:#808080}// schema of ORC files{color}
.forOrcSchema({color:#6a8759}"struct<storage_time:String,storage_source_msg:String,rev_name:String,where2:String,rev_phone:String,bind_email:String,ord_pin:String,ord_tm:String>"{color})
{color:#808080}// Hadoop configuration{color} .withConfiguration(configHadoop)
{color:#808080}// build OrcTableSource{color} .build()
------------The following is stack info --------------------
Root exception
Timestamp: 2019-08-08, 20:15:05
java.lang.Exception: The data preparation for task 'CHAIN GroupReduce
(GroupReduce at
com.jd.risk.flink.analysis.framework.core.EventOfflineServiceFrameWork.startService(EventOfflineServiceFrameWork.scala:41))
-> Map (Key Extractor)' , caused an error: Error obtaining the sorted input:
Thread 'SortMerger spilling thread' terminated due to an exception: Index: 97,
Size: 17
at org.apache.flink.runtime.operators.BatchTask.run(BatchTask.java:479)
at org.apache.flink.runtime.operators.BatchTask.invoke(BatchTask.java:368)
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:712)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.RuntimeException: Error obtaining the sorted input:
Thread 'SortMerger spilling thread' terminated due to an exception: Index: 97,
Size: 17
at
org.apache.flink.runtime.operators.sort.UnilateralSortMerger.getIterator(UnilateralSortMerger.java:650)
at org.apache.flink.runtime.operators.BatchTask.getInput(BatchTask.java:1108)
at
org.apache.flink.runtime.operators.GroupReduceDriver.prepare(GroupReduceDriver.java:99)
at org.apache.flink.runtime.operators.BatchTask.run(BatchTask.java:473)
... 3 more
Caused by: java.io.IOException: Thread 'SortMerger spilling thread' terminated
due to an exception: Index: 97, Size: 17
at
org.apache.flink.runtime.operators.sort.UnilateralSortMerger$ThreadBase.run(UnilateralSortMerger.java:831)
Caused by: java.lang.IndexOutOfBoundsException: Index: 97, Size: 17
at java.util.ArrayList.rangeCheck(ArrayList.java:653)
at java.util.ArrayList.get(ArrayList.java:429)
at
com.esotericsoftware.kryo.util.MapReferenceResolver.getReadObject(MapReferenceResolver.java:42)
at com.esotericsoftware.kryo.Kryo.readReferenceOrNull(Kryo.java:805)
at com.esotericsoftware.kryo.Kryo.readClassAndObject(Kryo.java:759)
at
org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer.deserialize(KryoSerializer.java:315)
at
org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer.deserialize(KryoSerializer.java:335)
at
org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer.copy(KryoSerializer.java:350)
at
org.apache.flink.api.java.typeutils.runtime.TupleSerializerBase.copy(TupleSerializerBase.java:99)
at
org.apache.flink.api.scala.typeutils.TraversableSerializer.copy(TraversableSerializer.scala:84)
at
org.apache.flink.api.java.typeutils.runtime.TupleSerializerBase.copy(TupleSerializerBase.java:99)
at
org.apache.flink.api.java.typeutils.runtime.TupleSerializerBase.copy(TupleSerializerBase.java:99)
at
org.apache.flink.runtime.operators.sort.NormalizedKeySorter.writeToOutput(NormalizedKeySorter.java:519)
at
org.apache.flink.runtime.operators.sort.UnilateralSortMerger$SpillingThread.go(UnilateralSortMerger.java:1375)
at
org.apache.flink.runtime.operators.sort.UnilateralSortMerger$ThreadBase.run(UnilateralSortMerger.java:827)
CHAIN GroupReduce (GroupReduce at
com.jd.risk.flink.analysis.framework.core.EventOfflineServiceFrameWork.startService(EventOfflineServiceFrameWork.scala:41))
-> Map (Key Extractor) (305/480)
Timestamp: 2019-08-08, 20:15:05 Location:
LF-BCC-POD0-172-21-60-234.hadoop.jd.local:15837
java.lang.Exception: The data preparation for task 'CHAIN GroupReduce
(GroupReduce at
com.jd.risk.flink.analysis.framework.core.EventOfflineServiceFrameWork.startService(EventOfflineServiceFrameWork.scala:41))
-> Map (Key Extractor)' , caused an error: Error obtaining the sorted input:
Thread 'SortMerger spilling thread' terminated due to an exception: Index: 97,
Size: 17
at org.apache.flink.runtime.operators.BatchTask.run(BatchTask.java:479)
at org.apache.flink.runtime.operators.BatchTask.invoke(BatchTask.java:368)
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:712)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.RuntimeException: Error obtaining the sorted input:
Thread 'SortMerger spilling thread' terminated due to an exception: Index: 97,
Size: 17
at
org.apache.flink.runtime.operators.sort.UnilateralSortMerger.getIterator(UnilateralSortMerger.java:650)
at org.apache.flink.runtime.operators.BatchTask.getInput(BatchTask.java:1108)
at
org.apache.flink.runtime.operators.GroupReduceDriver.prepare(GroupReduceDriver.java:99)
at org.apache.flink.runtime.operators.BatchTask.run(BatchTask.java:473)
... 3 more
Caused by: java.io.IOException: Thread 'SortMerger spilling thread' terminated
due to an exception: Index: 97, Size: 17
at
org.apache.flink.runtime.operators.sort.UnilateralSortMerger$ThreadBase.run(UnilateralSortMerger.java:831)
Caused by: java.lang.IndexOutOfBoundsException: Index: 97, Size: 17
at java.util.ArrayList.rangeCheck(ArrayList.java:653)
at java.util.ArrayList.get(ArrayList.java:429)
at
com.esotericsoftware.kryo.util.MapReferenceResolver.getReadObject(MapReferenceResolver.java:42)
at com.esotericsoftware.kryo.Kryo.readReferenceOrNull(Kryo.java:805)
at com.esotericsoftware.kryo.Kryo.readClassAndObject(Kryo.java:759)
at
org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer.deserialize(KryoSerializer.java:315)
at
org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer.deserialize(KryoSerializer.java:335)
at
org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer.copy(KryoSerializer.java:350)
at
org.apache.flink.api.java.typeutils.runtime.TupleSerializerBase.copy(TupleSerializerBase.java:99)
at
org.apache.flink.api.scala.typeutils.TraversableSerializer.copy(TraversableSerializer.scala:84)
at
org.apache.flink.api.java.typeutils.runtime.TupleSerializerBase.copy(TupleSerializerBase.java:99)
at
org.apache.flink.api.java.typeutils.runtime.TupleSerializerBase.copy(TupleSerializerBase.java:99)
at
org.apache.flink.runtime.operators.sort.NormalizedKeySorter.writeToOutput(NormalizedKeySorter.java:519)
at
org.apache.flink.runtime.operators.sort.UnilateralSortMerger$SpillingThread.go(UnilateralSortMerger.java:1375)
at
org.apache.flink.runtime.operators.sort.UnilateralSortMerger$ThreadBase.run(UnilateralSortMerger.java:827)
was:
Symptom:
flink program can sucessfully read and process single ORC file from
HDFS,whatever given reading path is file's parent folder or specific file path.
However,I put them together in the same folder and program read that folder,
the following error always occurs.
{color:#cc7832}val {color}configHadoop = {color:#cc7832}new
{color}org.apache.hadoop.conf.Configuration()
configHadoop.set({color:#6a8759}"HADOOP_USER_NAME"{color}{color:#cc7832},
{color}{color:#6a8759}"user"{color})
configHadoop.set({color:#6a8759}"fs.defaultFS"{color}{color:#cc7832},
{color}{color:#6a8759}"xx.xxx.xx.xx"{color})
{color:#cc7832}val {color}env = ExecutionEnvironment.getExecutionEnvironment
{color:#cc7832}val {color}bTableEnv = TableEnvironment.getTableEnvironment(env)
{color:#cc7832}val {color}orcTableSource = OrcTableSource.builder()
{color:#808080}// path to ORC file(s). NOTE: By default, directories are
recursively scanned.{color} .path(inPath)
{color:#808080}// schema of ORC files{color}
.forOrcSchema({color:#6a8759}"struct<storage_time:String,storage_source_msg:String,rev_name:String,where2:String,rev_phone:String,bind_email:String,ord_pin:String,ord_tm:String>"{color})
{color:#808080}// Hadoop configuration{color} .withConfiguration(configHadoop)
{color:#808080}// build OrcTableSource{color} .build()
------------The following is stack info --------------------
Root exception
Timestamp: 2019-08-08, 20:15:05
java.lang.Exception: The data preparation for task 'CHAIN GroupReduce
(GroupReduce at
com.jd.risk.flink.analysis.framework.core.EventOfflineServiceFrameWork.startService(EventOfflineServiceFrameWork.scala:41))
-> Map (Key Extractor)' , caused an error: Error obtaining the sorted input:
Thread 'SortMerger spilling thread' terminated due to an exception: Index: 97,
Size: 17
at org.apache.flink.runtime.operators.BatchTask.run(BatchTask.java:479)
at org.apache.flink.runtime.operators.BatchTask.invoke(BatchTask.java:368)
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:712)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.RuntimeException: Error obtaining the sorted input:
Thread 'SortMerger spilling thread' terminated due to an exception: Index: 97,
Size: 17
at
org.apache.flink.runtime.operators.sort.UnilateralSortMerger.getIterator(UnilateralSortMerger.java:650)
at org.apache.flink.runtime.operators.BatchTask.getInput(BatchTask.java:1108)
at
org.apache.flink.runtime.operators.GroupReduceDriver.prepare(GroupReduceDriver.java:99)
at org.apache.flink.runtime.operators.BatchTask.run(BatchTask.java:473)
... 3 more
Caused by: java.io.IOException: Thread 'SortMerger spilling thread' terminated
due to an exception: Index: 97, Size: 17
at
org.apache.flink.runtime.operators.sort.UnilateralSortMerger$ThreadBase.run(UnilateralSortMerger.java:831)
Caused by: java.lang.IndexOutOfBoundsException: Index: 97, Size: 17
at java.util.ArrayList.rangeCheck(ArrayList.java:653)
at java.util.ArrayList.get(ArrayList.java:429)
at
com.esotericsoftware.kryo.util.MapReferenceResolver.getReadObject(MapReferenceResolver.java:42)
at com.esotericsoftware.kryo.Kryo.readReferenceOrNull(Kryo.java:805)
at com.esotericsoftware.kryo.Kryo.readClassAndObject(Kryo.java:759)
at
org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer.deserialize(KryoSerializer.java:315)
at
org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer.deserialize(KryoSerializer.java:335)
at
org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer.copy(KryoSerializer.java:350)
at
org.apache.flink.api.java.typeutils.runtime.TupleSerializerBase.copy(TupleSerializerBase.java:99)
at
org.apache.flink.api.scala.typeutils.TraversableSerializer.copy(TraversableSerializer.scala:84)
at
org.apache.flink.api.java.typeutils.runtime.TupleSerializerBase.copy(TupleSerializerBase.java:99)
at
org.apache.flink.api.java.typeutils.runtime.TupleSerializerBase.copy(TupleSerializerBase.java:99)
at
org.apache.flink.runtime.operators.sort.NormalizedKeySorter.writeToOutput(NormalizedKeySorter.java:519)
at
org.apache.flink.runtime.operators.sort.UnilateralSortMerger$SpillingThread.go(UnilateralSortMerger.java:1375)
at
org.apache.flink.runtime.operators.sort.UnilateralSortMerger$ThreadBase.run(UnilateralSortMerger.java:827)
CHAIN GroupReduce (GroupReduce at
com.jd.risk.flink.analysis.framework.core.EventOfflineServiceFrameWork.startService(EventOfflineServiceFrameWork.scala:41))
-> Map (Key Extractor) (305/480)
Timestamp: 2019-08-08, 20:15:05 Location:
LF-BCC-POD0-172-21-60-234.hadoop.jd.local:15837
java.lang.Exception: The data preparation for task 'CHAIN GroupReduce
(GroupReduce at
com.jd.risk.flink.analysis.framework.core.EventOfflineServiceFrameWork.startService(EventOfflineServiceFrameWork.scala:41))
-> Map (Key Extractor)' , caused an error: Error obtaining the sorted input:
Thread 'SortMerger spilling thread' terminated due to an exception: Index: 97,
Size: 17
at org.apache.flink.runtime.operators.BatchTask.run(BatchTask.java:479)
at org.apache.flink.runtime.operators.BatchTask.invoke(BatchTask.java:368)
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:712)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.RuntimeException: Error obtaining the sorted input:
Thread 'SortMerger spilling thread' terminated due to an exception: Index: 97,
Size: 17
at
org.apache.flink.runtime.operators.sort.UnilateralSortMerger.getIterator(UnilateralSortMerger.java:650)
at org.apache.flink.runtime.operators.BatchTask.getInput(BatchTask.java:1108)
at
org.apache.flink.runtime.operators.GroupReduceDriver.prepare(GroupReduceDriver.java:99)
at org.apache.flink.runtime.operators.BatchTask.run(BatchTask.java:473)
... 3 more
Caused by: java.io.IOException: Thread 'SortMerger spilling thread' terminated
due to an exception: Index: 97, Size: 17
at
org.apache.flink.runtime.operators.sort.UnilateralSortMerger$ThreadBase.run(UnilateralSortMerger.java:831)
Caused by: java.lang.IndexOutOfBoundsException: Index: 97, Size: 17
at java.util.ArrayList.rangeCheck(ArrayList.java:653)
at java.util.ArrayList.get(ArrayList.java:429)
at
com.esotericsoftware.kryo.util.MapReferenceResolver.getReadObject(MapReferenceResolver.java:42)
at com.esotericsoftware.kryo.Kryo.readReferenceOrNull(Kryo.java:805)
at com.esotericsoftware.kryo.Kryo.readClassAndObject(Kryo.java:759)
at
org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer.deserialize(KryoSerializer.java:315)
at
org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer.deserialize(KryoSerializer.java:335)
at
org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer.copy(KryoSerializer.java:350)
at
org.apache.flink.api.java.typeutils.runtime.TupleSerializerBase.copy(TupleSerializerBase.java:99)
at
org.apache.flink.api.scala.typeutils.TraversableSerializer.copy(TraversableSerializer.scala:84)
at
org.apache.flink.api.java.typeutils.runtime.TupleSerializerBase.copy(TupleSerializerBase.java:99)
at
org.apache.flink.api.java.typeutils.runtime.TupleSerializerBase.copy(TupleSerializerBase.java:99)
at
org.apache.flink.runtime.operators.sort.NormalizedKeySorter.writeToOutput(NormalizedKeySorter.java:519)
at
org.apache.flink.runtime.operators.sort.UnilateralSortMerger$SpillingThread.go(UnilateralSortMerger.java:1375)
at
org.apache.flink.runtime.operators.sort.UnilateralSortMerger$ThreadBase.run(UnilateralSortMerger.java:827)
> Caused by: java.io.IOException: Thread 'SortMerger spilling thread'
> terminated due to an exception
> --------------------------------------------------------------------------------------------------
>
> Key: FLINK-13655
> URL: https://issues.apache.org/jira/browse/FLINK-13655
> Project: Flink
> Issue Type: Bug
> Components: API / Type Serialization System
> Affects Versions: 1.6.3
> Environment: {color:#e8bf6a}<properties>
> {color}{color:#e8bf6a}
> <project.build.sourceEncoding>{color}UTF-8{color:#e8bf6a}</project.build.sourceEncoding>
> {color}{color:#e8bf6a}
> <flink.version>{color}1.5.6{color:#e8bf6a}</flink.version>
> {color}{color:#e8bf6a}
> <slf4j.version>{color}1.7.7{color:#e8bf6a}</slf4j.version>
> {color}{color:#e8bf6a}
> <log4j.version>{color}1.2.17{color:#e8bf6a}</log4j.version>
> {color}{color:#e8bf6a}
> <scala.binary.version>{color}2.11{color:#e8bf6a}</scala.binary.version>
> {color}{color:#e8bf6a}
> <scala.version>{color}2.11.12{color:#e8bf6a}</scala.version>
> {color}{color:#e8bf6a}</properties>{color}
> {color:#e8bf6a}_parameters.setBoolean("recursive.file_{color:#333333}.enumeration",true){color}{color}
> Reporter: LiJun
> Priority: Minor
> Labels: KryoSerializer
>
> Symptom:
> flink program can sucessfully read and process single ORC file from
> HDFS,whatever given reading path is file's parent folder or specific file
> path. However,I put them together in the same folder and program reads that
> folder, the following error always occurs.
> {color:#cc7832}val {color}configHadoop = {color:#cc7832}new
> {color}org.apache.hadoop.conf.Configuration()
> configHadoop.set({color:#6a8759}"HADOOP_USER_NAME"{color}{color:#cc7832},
> {color}{color:#6a8759}"user"{color})
> configHadoop.set({color:#6a8759}"fs.defaultFS"{color}{color:#cc7832},
> {color}{color:#6a8759}"xx.xxx.xx.xx"{color})
> {color:#cc7832}val {color}env = ExecutionEnvironment.getExecutionEnvironment
> {color:#cc7832}val {color}bTableEnv =
> TableEnvironment.getTableEnvironment(env)
> {color:#cc7832}val {color}orcTableSource = OrcTableSource.builder()
> {color:#808080}// path to ORC file(s). NOTE: By default, directories are
> recursively scanned.{color} .path(inPath)
> {color:#808080}// schema of ORC files{color}
> .forOrcSchema({color:#6a8759}"struct<storage_time:String,storage_source_msg:String,rev_name:String,where2:String,rev_phone:String,bind_email:String,ord_pin:String,ord_tm:String>"{color})
> {color:#808080}// Hadoop configuration{color}
> .withConfiguration(configHadoop)
> {color:#808080}// build OrcTableSource{color} .build()
>
> ------------The following is stack info --------------------
> Root exception
> Timestamp: 2019-08-08, 20:15:05
> java.lang.Exception: The data preparation for task 'CHAIN GroupReduce
> (GroupReduce at
> com.jd.risk.flink.analysis.framework.core.EventOfflineServiceFrameWork.startService(EventOfflineServiceFrameWork.scala:41))
> -> Map (Key Extractor)' , caused an error: Error obtaining the sorted input:
> Thread 'SortMerger spilling thread' terminated due to an exception: Index:
> 97, Size: 17
> at org.apache.flink.runtime.operators.BatchTask.run(BatchTask.java:479)
> at org.apache.flink.runtime.operators.BatchTask.invoke(BatchTask.java:368)
> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:712)
> at java.lang.Thread.run(Thread.java:748)
> Caused by: java.lang.RuntimeException: Error obtaining the sorted input:
> Thread 'SortMerger spilling thread' terminated due to an exception: Index:
> 97, Size: 17
> at
> org.apache.flink.runtime.operators.sort.UnilateralSortMerger.getIterator(UnilateralSortMerger.java:650)
> at
> org.apache.flink.runtime.operators.BatchTask.getInput(BatchTask.java:1108)
> at
> org.apache.flink.runtime.operators.GroupReduceDriver.prepare(GroupReduceDriver.java:99)
> at org.apache.flink.runtime.operators.BatchTask.run(BatchTask.java:473)
> ... 3 more
> Caused by: java.io.IOException: Thread 'SortMerger spilling thread'
> terminated due to an exception: Index: 97, Size: 17
> at
> org.apache.flink.runtime.operators.sort.UnilateralSortMerger$ThreadBase.run(UnilateralSortMerger.java:831)
> Caused by: java.lang.IndexOutOfBoundsException: Index: 97, Size: 17
> at java.util.ArrayList.rangeCheck(ArrayList.java:653)
> at java.util.ArrayList.get(ArrayList.java:429)
> at
> com.esotericsoftware.kryo.util.MapReferenceResolver.getReadObject(MapReferenceResolver.java:42)
> at com.esotericsoftware.kryo.Kryo.readReferenceOrNull(Kryo.java:805)
> at com.esotericsoftware.kryo.Kryo.readClassAndObject(Kryo.java:759)
> at
> org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer.deserialize(KryoSerializer.java:315)
> at
> org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer.deserialize(KryoSerializer.java:335)
> at
> org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer.copy(KryoSerializer.java:350)
> at
> org.apache.flink.api.java.typeutils.runtime.TupleSerializerBase.copy(TupleSerializerBase.java:99)
> at
> org.apache.flink.api.scala.typeutils.TraversableSerializer.copy(TraversableSerializer.scala:84)
> at
> org.apache.flink.api.java.typeutils.runtime.TupleSerializerBase.copy(TupleSerializerBase.java:99)
> at
> org.apache.flink.api.java.typeutils.runtime.TupleSerializerBase.copy(TupleSerializerBase.java:99)
> at
> org.apache.flink.runtime.operators.sort.NormalizedKeySorter.writeToOutput(NormalizedKeySorter.java:519)
> at
> org.apache.flink.runtime.operators.sort.UnilateralSortMerger$SpillingThread.go(UnilateralSortMerger.java:1375)
> at
> org.apache.flink.runtime.operators.sort.UnilateralSortMerger$ThreadBase.run(UnilateralSortMerger.java:827)
> CHAIN GroupReduce (GroupReduce at
> com.jd.risk.flink.analysis.framework.core.EventOfflineServiceFrameWork.startService(EventOfflineServiceFrameWork.scala:41))
> -> Map (Key Extractor) (305/480)
> Timestamp: 2019-08-08, 20:15:05 Location:
> LF-BCC-POD0-172-21-60-234.hadoop.jd.local:15837
> java.lang.Exception: The data preparation for task 'CHAIN GroupReduce
> (GroupReduce at
> com.jd.risk.flink.analysis.framework.core.EventOfflineServiceFrameWork.startService(EventOfflineServiceFrameWork.scala:41))
> -> Map (Key Extractor)' , caused an error: Error obtaining the sorted input:
> Thread 'SortMerger spilling thread' terminated due to an exception: Index:
> 97, Size: 17
> at org.apache.flink.runtime.operators.BatchTask.run(BatchTask.java:479)
> at org.apache.flink.runtime.operators.BatchTask.invoke(BatchTask.java:368)
> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:712)
> at java.lang.Thread.run(Thread.java:748)
> Caused by: java.lang.RuntimeException: Error obtaining the sorted input:
> Thread 'SortMerger spilling thread' terminated due to an exception: Index:
> 97, Size: 17
> at
> org.apache.flink.runtime.operators.sort.UnilateralSortMerger.getIterator(UnilateralSortMerger.java:650)
> at
> org.apache.flink.runtime.operators.BatchTask.getInput(BatchTask.java:1108)
> at
> org.apache.flink.runtime.operators.GroupReduceDriver.prepare(GroupReduceDriver.java:99)
> at org.apache.flink.runtime.operators.BatchTask.run(BatchTask.java:473)
> ... 3 more
> Caused by: java.io.IOException: Thread 'SortMerger spilling thread'
> terminated due to an exception: Index: 97, Size: 17
> at
> org.apache.flink.runtime.operators.sort.UnilateralSortMerger$ThreadBase.run(UnilateralSortMerger.java:831)
> Caused by: java.lang.IndexOutOfBoundsException: Index: 97, Size: 17
> at java.util.ArrayList.rangeCheck(ArrayList.java:653)
> at java.util.ArrayList.get(ArrayList.java:429)
> at
> com.esotericsoftware.kryo.util.MapReferenceResolver.getReadObject(MapReferenceResolver.java:42)
> at com.esotericsoftware.kryo.Kryo.readReferenceOrNull(Kryo.java:805)
> at com.esotericsoftware.kryo.Kryo.readClassAndObject(Kryo.java:759)
> at
> org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer.deserialize(KryoSerializer.java:315)
> at
> org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer.deserialize(KryoSerializer.java:335)
> at
> org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer.copy(KryoSerializer.java:350)
> at
> org.apache.flink.api.java.typeutils.runtime.TupleSerializerBase.copy(TupleSerializerBase.java:99)
> at
> org.apache.flink.api.scala.typeutils.TraversableSerializer.copy(TraversableSerializer.scala:84)
> at
> org.apache.flink.api.java.typeutils.runtime.TupleSerializerBase.copy(TupleSerializerBase.java:99)
> at
> org.apache.flink.api.java.typeutils.runtime.TupleSerializerBase.copy(TupleSerializerBase.java:99)
> at
> org.apache.flink.runtime.operators.sort.NormalizedKeySorter.writeToOutput(NormalizedKeySorter.java:519)
> at
> org.apache.flink.runtime.operators.sort.UnilateralSortMerger$SpillingThread.go(UnilateralSortMerger.java:1375)
> at
> org.apache.flink.runtime.operators.sort.UnilateralSortMerger$ThreadBase.run(UnilateralSortMerger.java:827)
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