[FLINK-21250] Failure to finalize checkpoint due to org.apache.hadoop.fs.FileAlreadyExistsException: /user/flink/checkpoints/9e36ed4ec2f6685f836e5ee5395f5f2e/chk-11096/_metadata for client xxx.xx.xx.xxx already exists

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Not A Problem
• Affects Version/s: 1.10.1
• Component/s: Runtime / Checkpointing
• Assignee: Unassigned
• Reporter: Fangliang Liu
• Created: 03/Feb/21 09:18
• Updated: 23/Feb/23 08:47
• Resolved: 05/Feb/21 16:56

Description

Flink Version :1.10.1

The following exception will occasionally be thrown when the flink job is running on yarn. Checkpoint will always fail after the first exception is thrown.

level:WARNlocation:org.apache.flink.runtime.scheduler.SchedulerBase.lambda$acknowledgeCheckpoint$4(SchedulerBase.java:796)log:2021-02-03 15:39:03,447 bigbase_kafka_to_hive_push_push_user_date_active WARN  org.apache.flink.runtime.jobmaster.JobMaster                  - Error while processing checkpoint acknowledgement message
message:Error while processing checkpoint acknowledgement messagethread:jobmanager-future-thread-34throwable:org.apache.flink.runtime.checkpoint.CheckpointException: Could not finalize the pending checkpoint 11096. Failure reason: Failure to finalize checkpoint.
	at org.apache.flink.runtime.checkpoint.CheckpointCoordinator.completePendingCheckpoint(CheckpointCoordinator.java:863)
	at org.apache.flink.runtime.checkpoint.CheckpointCoordinator.receiveAcknowledgeMessage(CheckpointCoordinator.java:781)
	at org.apache.flink.runtime.scheduler.SchedulerBase.lambda$acknowledgeCheckpoint$4(SchedulerBase.java:794)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.hadoop.fs.FileAlreadyExistsException: /user/flink/checkpoints/140ba889671225dea822a4e1f569379a/chk-11096/_metadata for client 172.xx.xx.xxx already exists
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.startFileInternal(FSNamesystem.java:3021)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.startFileInt(FSNamesystem.java:2908)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.startFile(FSNamesystem.java:2792)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.create(NameNodeRpcServer.java:615)
	at org.apache.hadoop.hdfs.server.namenode.AuthorizationProviderProxyClientProtocol.create(AuthorizationProviderProxyClientProtocol.java:117)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.create(ClientNamenodeProtocolServerSideTranslatorPB.java:413)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:617)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1073)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2278)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2274)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1924)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2272)

	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at org.apache.hadoop.ipc.RemoteException.instantiateException(RemoteException.java:106)
	at org.apache.hadoop.ipc.RemoteException.unwrapRemoteException(RemoteException.java:73)
	at org.apache.hadoop.hdfs.DFSOutputStream.newStreamForCreate(DFSOutputStream.java:1841)
	at org.apache.hadoop.hdfs.DFSClient.create(DFSClient.java:1698)
	at org.apache.hadoop.hdfs.DFSClient.create(DFSClient.java:1633)
	at org.apache.hadoop.hdfs.DistributedFileSystem$7.doCall(DistributedFileSystem.java:448)
	at org.apache.hadoop.hdfs.DistributedFileSystem$7.doCall(DistributedFileSystem.java:444)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.create(DistributedFileSystem.java:459)
	at org.apache.hadoop.hdfs.DistributedFileSystem.create(DistributedFileSystem.java:387)
	at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:910)
	at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:891)
	at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:788)
	at org.apache.flink.runtime.fs.hdfs.HadoopFileSystem.create(HadoopFileSystem.java:141)
	at org.apache.flink.runtime.fs.hdfs.HadoopFileSystem.create(HadoopFileSystem.java:37)
	at org.apache.flink.runtime.state.filesystem.FsCheckpointMetadataOutputStream.<init>(FsCheckpointMetadataOutputStream.java:65)
	at org.apache.flink.runtime.state.filesystem.FsCheckpointStorageLocation.createMetadataOutputStream(FsCheckpointStorageLocation.java:109)
	at org.apache.flink.runtime.checkpoint.PendingCheckpoint.finalizeCheckpoint(PendingCheckpoint.java:274)
	at org.apache.flink.runtime.checkpoint.CheckpointCoordinator.completePendingCheckpoint(CheckpointCoordinator.java:854)
	... 9 more
Caused by: org.apache.hadoop.ipc.RemoteException: /user/flink/checkpoints/140ba889671225dea822a4e1f569379a/chk-11096/_metadata for client 172.xx.xx.xxx already exists
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.startFileInternal(FSNamesystem.java:3021)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.startFileInt(FSNamesystem.java:2908)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.startFile(FSNamesystem.java:2792)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.create(NameNodeRpcServer.java:615)
	at org.apache.hadoop.hdfs.server.namenode.AuthorizationProviderProxyClientProtocol.create(AuthorizationProviderProxyClientProtocol.java:117)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.create(ClientNamenodeProtocolServerSideTranslatorPB.java:413)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:617)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1073)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2278)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2274)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1924)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2272)

	at org.apache.hadoop.ipc.Client.call(Client.java:1476)
	at org.apache.hadoop.ipc.Client.call(Client.java:1413)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
	at com.sun.proxy.$Proxy25.create(Unknown Source)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.create(ClientNamenodeProtocolTranslatorPB.java:296)
	at sun.reflect.GeneratedMethodAccessor63.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:191)
	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
	at com.sun.proxy.$Proxy26.create(Unknown Source)
	at org.apache.hadoop.hdfs.DFSOutputStream.newStreamForCreate(DFSOutputStream.java:1836)
	... 25 more