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https://issues.apache.org/jira/browse/HDFS-13404?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16856326#comment-16856326
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Takanobu Asanuma commented on HDFS-13404:
-----------------------------------------
Seems 10ms sleep is not enough. Let's use 100ms. If possible, we don't want to
use a fixed amount for sleep. However, as I mentioned before in this jira, it
is difficult to avoid it.
Uploaded the 1st addendum patch.
> RBF: TestRouterWebHDFSContractAppend.testRenameFileBeingAppended fails
> ----------------------------------------------------------------------
>
> Key: HDFS-13404
> URL: https://issues.apache.org/jira/browse/HDFS-13404
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: test
> Reporter: Takanobu Asanuma
> Assignee: Takanobu Asanuma
> Priority: Major
> Fix For: HDFS-13891
>
> Attachments: HDFS-13404-HDFS-13891-addendum.1.patch,
> HDFS-13404.1.patch, HDFS-13404.2.patch, detailed_error.log
>
>
> This is reported by [~elgoiri].
> {noformat}
> java.io.FileNotFoundException:
> Failed to append to non-existent file /test/test/target for client 127.0.0.1
> at
> org.apache.hadoop.hdfs.server.namenode.FSDirAppendOp.appendFile(FSDirAppendOp.java:104)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:2621)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:805)
> at
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:485)
> 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$RpcCall.run(Server.java:815)
> at javax.security.auth.Subject.doAs(Subject.java:422)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1682)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2675)
> ...
> 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:121)
> at
> org.apache.hadoop.ipc.RemoteException.unwrapRemoteException(RemoteException.java:110)
> at
> org.apache.hadoop.hdfs.web.WebHdfsFileSystem.toIOException(WebHdfsFileSystem.java:549)
> at
> org.apache.hadoop.hdfs.web.WebHdfsFileSystem.validateResponse(WebHdfsFileSystem.java:527)
> at
> org.apache.hadoop.hdfs.web.WebHdfsFileSystem.access$200(WebHdfsFileSystem.java:136)
> at
> org.apache.hadoop.hdfs.web.WebHdfsFileSystem$FsPathOutputStreamRunner$1.close(WebHdfsFileSystem.java:1013)
> at
> org.apache.hadoop.fs.contract.AbstractContractAppendTest.testRenameFileBeingAppended(AbstractContractAppendTest.java:139)
> {noformat}
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