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https://issues.apache.org/jira/browse/FLINK-13874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16917833#comment-16917833
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Gyula Fora commented on FLINK-13874:
------------------------------------
And while the lease revoking process seem to time out for certain files, for
others it runs in 1-2 seconds, within the same taskmanager.
> StreamingFileSink fails to recover (truncate) properly
> ------------------------------------------------------
>
> Key: FLINK-13874
> URL: https://issues.apache.org/jira/browse/FLINK-13874
> Project: Flink
> Issue Type: Bug
> Components: Connectors / FileSystem
> Affects Versions: 1.9.0
> Reporter: Gyula Fora
> Priority: Blocker
>
> It seems that there might be some problem with the truncate / recovery logic
> for the HadoopRecoverableFsDataOutputStream.
> I keep hitting the following error:
>
> {noformat}
> java.io.IOException: Problem while truncating file:
> hdfs:/user/root/flink/filesink/transaction-test1-text/2019-08-27--07/.part-1-1.inprogress.7e882941-ab98-4404-b16b-87a26256bf4d
> at
> org.apache.flink.runtime.fs.hdfs.HadoopRecoverableFsDataOutputStream.safelyTruncateFile(HadoopRecoverableFsDataOutputStream.java:166)
> at
> org.apache.flink.runtime.fs.hdfs.HadoopRecoverableFsDataOutputStream.<init>(HadoopRecoverableFsDataOutputStream.java:89)
> at
> org.apache.flink.runtime.fs.hdfs.HadoopRecoverableWriter.recover(HadoopRecoverableWriter.java:72)
> at
> org.apache.flink.streaming.api.functions.sink.filesystem.Bucket.restoreInProgressFile(Bucket.java:140)
> at
> org.apache.flink.streaming.api.functions.sink.filesystem.Bucket.<init>(Bucket.java:127)
> at
> org.apache.flink.streaming.api.functions.sink.filesystem.Bucket.restore(Bucket.java:396)
> at
> org.apache.flink.streaming.api.functions.sink.filesystem.DefaultBucketFactoryImpl.restoreBucket(DefaultBucketFactoryImpl.java:64)
> at
> org.apache.flink.streaming.api.functions.sink.filesystem.Buckets.handleRestoredBucketState(Buckets.java:177)
> at
> org.apache.flink.streaming.api.functions.sink.filesystem.Buckets.initializeActiveBuckets(Buckets.java:165)
> at
> org.apache.flink.streaming.api.functions.sink.filesystem.Buckets.initializeState(Buckets.java:149)
> at
> org.apache.flink.streaming.api.functions.sink.filesystem.StreamingFileSink.initializeState(StreamingFileSink.java:334)
> at
> org.apache.flink.streaming.util.functions.StreamingFunctionUtils.tryRestoreFunction(StreamingFunctionUtils.java:178)
> at
> org.apache.flink.streaming.util.functions.StreamingFunctionUtils.restoreFunctionState(StreamingFunctionUtils.java:160)
> at
> org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator.initializeState(AbstractUdfStreamOperator.java:96)
> at
> org.apache.flink.streaming.api.operators.AbstractStreamOperator.initializeState(AbstractStreamOperator.java:281)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.initializeState(StreamTask.java:878)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:392)
> at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:705)
> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:530)
> at java.lang.Thread.run(Thread.java:748)
> Caused by:
> org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.hdfs.protocol.AlreadyBeingCreatedException):
> Failed to TRUNCATE_FILE
> /user/root/flink/filesink/transaction-test1-text/2019-08-27--07/.part-1-1.inprogress.7e882941-ab98-4404-b16b-87a26256bf4d
> for DFSClient_NONMAPREDUCE_-1189574442_56 on 172.31.114.177 because
> DFSClient_NONMAPREDUCE_-1189574442_56 is already the current lease holder.
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.recoverLeaseInternal(FSNamesystem.java:2522)
> at
> org.apache.hadoop.hdfs.server.namenode.FSDirTruncateOp.truncate(FSDirTruncateOp.java:119)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.truncate(FSNamesystem.java:2091)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.truncate(NameNodeRpcServer.java:1070)
> at
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.truncate(ClientNamenodeProtocolServerSideTranslatorPB.java:669)
> at
> org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:523)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:991)
> at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:869)
> at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:815)
> 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:1875)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2675)
> at org.apache.hadoop.ipc.Client.getRpcResponse(Client.java:1499)
> at org.apache.hadoop.ipc.Client.call(Client.java:1445)
> at org.apache.hadoop.ipc.Client.call(Client.java:1355)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:228)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:116)
> at com.sun.proxy.$Proxy17.truncate(Unknown Source)
> at
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.truncate(ClientNamenodeProtocolTranslatorPB.java:366)
> at sun.reflect.GeneratedMethodAccessor71.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:422)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeMethod(RetryInvocationHandler.java:165)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invoke(RetryInvocationHandler.java:157)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeOnce(RetryInvocationHandler.java:95)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:359)
> at com.sun.proxy.$Proxy18.truncate(Unknown Source)
> at org.apache.hadoop.hdfs.DFSClient.truncate(DFSClient.java:1545)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem$18.doCall(DistributedFileSystem.java:862)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem$18.doCall(DistributedFileSystem.java:859)
> at
> org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem.truncate(DistributedFileSystem.java:869)
> at sun.reflect.GeneratedMethodAccessor70.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> org.apache.flink.runtime.fs.hdfs.HadoopRecoverableFsDataOutputStream.truncate(HadoopRecoverableFsDataOutputStream.java:197)
> at
> org.apache.flink.runtime.fs.hdfs.HadoopRecoverableFsDataOutputStream.safelyTruncateFile(HadoopRecoverableFsDataOutputStream.java:164){noformat}
> Seems like even though we waited for the lease before starting the truncate,
> it's still not ours
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