[
https://issues.apache.org/jira/browse/FLINK-19688?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Robert Metzger updated FLINK-19688:
-----------------------------------
Attachment: logs.tgz
> Flink job gets into restart loop caused by InterruptedExceptions
> ----------------------------------------------------------------
>
> Key: FLINK-19688
> URL: https://issues.apache.org/jira/browse/FLINK-19688
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Network, Runtime / Task
> Affects Versions: 1.12.0
> Reporter: Robert Metzger
> Priority: Critical
> Attachments: logs.tgz
>
>
> I have a benchmarking test job, that throws RuntimeExceptions at any operator
> at a configured, random interval. When using low intervals, such as mean
> failure rate = 60 s, the job will get into a state where it frequently fails
> with InterruptedExceptions.
> The same job does not have this problem on Flink 1.11.2 (at least not after
> running the job for 15 hours, on 1.12-SN, it happens within a few minutes)
> This is the job:
> https://github.com/rmetzger/flip1-bench/blob/master/flip1-bench-jobs/src/main/java/com/ververica/TPCHQuery3.java
> This is the exception:
> {code}
> 2020-10-16 16:02:15,653 WARN org.apache.flink.runtime.taskmanager.Task
> [] - CHAIN GroupReduce (GroupReduce at
> main(TPCHQuery3.java:199)) -> Map (Map at
> appendMapper(KillerClientMapper.java:38)) (8/8)#1
> (06d656f696bf4ed98831938a7ac2359d_c1c4a56fea0536703d37867c057f0cc8_7_1)
> switched from RUNNING to FAILED.
> java.lang.Exception: The data preparation for task 'CHAIN GroupReduce
> (GroupReduce at main(TPCHQuery3.java:199)) -> Map (Map at
> appendMapper(KillerClientMapper.java:38))' , caused an error:
> java.util.concurrent.ExecutionException: java.lang.RuntimeException: Error
> obtaining the sorted input: Thread 'SortMerger Reading Thread' terminated due
> to an exception: Connection for partition
> 060d457c4163472f65a4b741993c83f8#0@06d656f696bf4ed98831938a7ac2359d_0bcc9fbf9ac242d5aac540917d980e44_0_1
> not reachable.
> at org.apache.flink.runtime.operators.BatchTask.run(BatchTask.java:481)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.operators.BatchTask.invoke(BatchTask.java:370)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:722)
> [flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:547)
> [flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at java.lang.Thread.run(Thread.java:748) [?:1.8.0_222]
> Caused by: org.apache.flink.util.WrappingRuntimeException:
> java.util.concurrent.ExecutionException: java.lang.RuntimeException: Error
> obtaining the sorted input: Thread 'SortMerger Reading Thread' terminated due
> to an exception: Connection for partition
> 060d457c4163472f65a4b741993c83f8#0@06d656f696bf4ed98831938a7ac2359d_0bcc9fbf9ac242d5aac540917d980e44_0_1
> not reachable.
> at
> org.apache.flink.runtime.operators.sort.ExternalSorter.getIterator(ExternalSorter.java:253)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.operators.BatchTask.getInput(BatchTask.java:1122)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.operators.GroupReduceDriver.prepare(GroupReduceDriver.java:99)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at org.apache.flink.runtime.operators.BatchTask.run(BatchTask.java:475)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> ... 4 more
> Caused by: java.util.concurrent.ExecutionException:
> java.lang.RuntimeException: Error obtaining the sorted input: Thread
> 'SortMerger Reading Thread' terminated due to an exception: Connection for
> partition
> 060d457c4163472f65a4b741993c83f8#0@06d656f696bf4ed98831938a7ac2359d_0bcc9fbf9ac242d5aac540917d980e44_0_1
> not reachable.
> at
> java.util.concurrent.CompletableFuture.reportGet(CompletableFuture.java:357)
> ~[?:1.8.0_222]
> at
> java.util.concurrent.CompletableFuture.get(CompletableFuture.java:1895)
> ~[?:1.8.0_222]
> at
> org.apache.flink.runtime.operators.sort.ExternalSorter.getIterator(ExternalSorter.java:250)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.operators.BatchTask.getInput(BatchTask.java:1122)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.operators.GroupReduceDriver.prepare(GroupReduceDriver.java:99)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at org.apache.flink.runtime.operators.BatchTask.run(BatchTask.java:475)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> ... 4 more
> Caused by: java.lang.RuntimeException: Error obtaining the sorted input:
> Thread 'SortMerger Reading Thread' terminated due to an exception: Connection
> for partition
> 060d457c4163472f65a4b741993c83f8#0@06d656f696bf4ed98831938a7ac2359d_0bcc9fbf9ac242d5aac540917d980e44_0_1
> not reachable.
> at
> org.apache.flink.runtime.operators.sort.ExternalSorter.lambda$getIterator$1(ExternalSorter.java:247)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> java.util.concurrent.CompletableFuture.uniExceptionally(CompletableFuture.java:870)
> ~[?:1.8.0_222]
> at
> java.util.concurrent.CompletableFuture$UniExceptionally.tryFire(CompletableFuture.java:852)
> ~[?:1.8.0_222]
> at
> java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:474)
> ~[?:1.8.0_222]
> at
> java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:1977)
> ~[?:1.8.0_222]
> at
> org.apache.flink.runtime.operators.sort.ExternalSorterBuilder.lambda$doBuild$1(ExternalSorterBuilder.java:363)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.operators.sort.ThreadBase.internalHandleException(ThreadBase.java:123)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.operators.sort.ThreadBase.run(ThreadBase.java:82)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> Caused by: java.io.IOException: Thread 'SortMerger Reading Thread' terminated
> due to an exception: Connection for partition
> 060d457c4163472f65a4b741993c83f8#0@06d656f696bf4ed98831938a7ac2359d_0bcc9fbf9ac242d5aac540917d980e44_0_1
> not reachable.
> at
> org.apache.flink.runtime.operators.sort.ThreadBase.run(ThreadBase.java:83)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> Caused by:
> org.apache.flink.runtime.io.network.partition.consumer.PartitionConnectionException:
> Connection for partition
> 060d457c4163472f65a4b741993c83f8#0@06d656f696bf4ed98831938a7ac2359d_0bcc9fbf9ac242d5aac540917d980e44_0_1
> not reachable.
> at
> org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.requestSubpartition(RemoteInputChannel.java:160)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.internalRequestPartitions(SingleInputGate.java:305)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.requestPartitions(SingleInputGate.java:277)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.taskmanager.InputGateWithMetrics.requestPartitions(InputGateWithMetrics.java:93)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.api.reader.AbstractRecordReader.getNextRecord(AbstractRecordReader.java:91)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.api.reader.MutableRecordReader.next(MutableRecordReader.java:47)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.operators.util.ReaderIterator.next(ReaderIterator.java:59)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.operators.sort.ReadingThread.go(ReadingThread.java:68)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.operators.sort.ThreadBase.run(ThreadBase.java:79)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> Caused by: java.io.IOException: java.util.concurrent.ExecutionException:
> org.apache.flink.runtime.io.network.netty.exception.RemoteTransportException:
> Connecting to remote task manager '/192.168.2.172:52366' has failed. This
> might indicate that the remote task manager has been lost.
> at
> org.apache.flink.runtime.io.network.netty.PartitionRequestClientFactory.createPartitionRequestClient(PartitionRequestClientFactory.java:85)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.netty.NettyConnectionManager.createPartitionRequestClient(NettyConnectionManager.java:67)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.requestSubpartition(RemoteInputChannel.java:157)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.internalRequestPartitions(SingleInputGate.java:305)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.requestPartitions(SingleInputGate.java:277)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.taskmanager.InputGateWithMetrics.requestPartitions(InputGateWithMetrics.java:93)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.api.reader.AbstractRecordReader.getNextRecord(AbstractRecordReader.java:91)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.api.reader.MutableRecordReader.next(MutableRecordReader.java:47)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.operators.util.ReaderIterator.next(ReaderIterator.java:59)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.operators.sort.ReadingThread.go(ReadingThread.java:68)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.operators.sort.ThreadBase.run(ThreadBase.java:79)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> Caused by: java.util.concurrent.ExecutionException:
> org.apache.flink.runtime.io.network.netty.exception.RemoteTransportException:
> Connecting to remote task manager '/192.168.2.172:52366' has failed. This
> might indicate that the remote task manager has been lost.
> at
> java.util.concurrent.CompletableFuture.reportGet(CompletableFuture.java:357)
> ~[?:1.8.0_222]
> at
> java.util.concurrent.CompletableFuture.get(CompletableFuture.java:1895)
> ~[?:1.8.0_222]
> at
> org.apache.flink.runtime.io.network.netty.PartitionRequestClientFactory.createPartitionRequestClient(PartitionRequestClientFactory.java:83)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.netty.NettyConnectionManager.createPartitionRequestClient(NettyConnectionManager.java:67)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.requestSubpartition(RemoteInputChannel.java:157)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.internalRequestPartitions(SingleInputGate.java:305)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.requestPartitions(SingleInputGate.java:277)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.taskmanager.InputGateWithMetrics.requestPartitions(InputGateWithMetrics.java:93)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.api.reader.AbstractRecordReader.getNextRecord(AbstractRecordReader.java:91)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.api.reader.MutableRecordReader.next(MutableRecordReader.java:47)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.operators.util.ReaderIterator.next(ReaderIterator.java:59)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.operators.sort.ReadingThread.go(ReadingThread.java:68)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.operators.sort.ThreadBase.run(ThreadBase.java:79)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> Caused by:
> org.apache.flink.runtime.io.network.netty.exception.RemoteTransportException:
> Connecting to remote task manager '/192.168.2.172:52366' has failed. This
> might indicate that the remote task manager has been lost.
> at
> org.apache.flink.runtime.io.network.netty.PartitionRequestClientFactory.connect(PartitionRequestClientFactory.java:122)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.netty.PartitionRequestClientFactory.connectWithRetries(PartitionRequestClientFactory.java:101)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.netty.PartitionRequestClientFactory.lambda$createPartitionRequestClient$1(PartitionRequestClientFactory.java:78)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.concurrent.FutureUtils.completeFromCallable(FutureUtils.java:88)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.netty.PartitionRequestClientFactory.createPartitionRequestClient(PartitionRequestClientFactory.java:78)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.netty.NettyConnectionManager.createPartitionRequestClient(NettyConnectionManager.java:67)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.requestSubpartition(RemoteInputChannel.java:157)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.internalRequestPartitions(SingleInputGate.java:305)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.requestPartitions(SingleInputGate.java:277)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.taskmanager.InputGateWithMetrics.requestPartitions(InputGateWithMetrics.java:93)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.api.reader.AbstractRecordReader.getNextRecord(AbstractRecordReader.java:91)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.api.reader.MutableRecordReader.next(MutableRecordReader.java:47)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.operators.util.ReaderIterator.next(ReaderIterator.java:59)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.operators.sort.ReadingThread.go(ReadingThread.java:68)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.operators.sort.ThreadBase.run(ThreadBase.java:79)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> Caused by: java.lang.InterruptedException
> at java.lang.Object.wait(Native Method) ~[?:1.8.0_222]
> at java.lang.Object.wait(Object.java:502) ~[?:1.8.0_222]
> at
> org.apache.flink.shaded.netty4.io.netty.util.concurrent.DefaultPromise.await(DefaultPromise.java:252)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.shaded.netty4.io.netty.channel.DefaultChannelPromise.await(DefaultChannelPromise.java:131)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.shaded.netty4.io.netty.channel.DefaultChannelPromise.await(DefaultChannelPromise.java:30)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.netty.PartitionRequestClientFactory.connect(PartitionRequestClientFactory.java:114)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.netty.PartitionRequestClientFactory.connectWithRetries(PartitionRequestClientFactory.java:101)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.netty.PartitionRequestClientFactory.lambda$createPartitionRequestClient$1(PartitionRequestClientFactory.java:78)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.concurrent.FutureUtils.completeFromCallable(FutureUtils.java:88)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.netty.PartitionRequestClientFactory.createPartitionRequestClient(PartitionRequestClientFactory.java:78)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.netty.NettyConnectionManager.createPartitionRequestClient(NettyConnectionManager.java:67)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.partition.consumer.RemoteInputChannel.requestSubpartition(RemoteInputChannel.java:157)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.internalRequestPartitions(SingleInputGate.java:305)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.requestPartitions(SingleInputGate.java:277)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.taskmanager.InputGateWithMetrics.requestPartitions(InputGateWithMetrics.java:93)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.api.reader.AbstractRecordReader.getNextRecord(AbstractRecordReader.java:91)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.io.network.api.reader.MutableRecordReader.next(MutableRecordReader.java:47)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.operators.util.ReaderIterator.next(ReaderIterator.java:59)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.operators.sort.ReadingThread.go(ReadingThread.java:68)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> at
> org.apache.flink.runtime.operators.sort.ThreadBase.run(ThreadBase.java:79)
> ~[flink-dist_2.11-1.12-SNAPSHOT.jar:1.12-SNAPSHOT]
> {code}
> I will attach all logs to this ticket.
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