MapReduce服务 MRS-为什么splitWAL期间HMaster日志中频繁打印出FileNotFoundException及no lease信息:问题

时间：2023-11-01 16:25:29

MapReduce服务 MRS

问题

当集群重启后会进行split WAL操作，在splitWAL期间，HMaster出现不能close log，日志中频繁打印出FileNotFoundException及no lease信息。

2017-06-10 09:50:27,586 | ERROR | split-log-closeStream-2 | Couldn't close log at hdfs://hacluster/hbase/data/default/largeT1/2b48346d087275fe751fc049334fda93/recovered.edits/0000000000000000000.temp | org.apache.hadoop.hbase.wal.WALSplitter$LogRecoveredEditsOutputSink$2.call(WALSplitter.java:1330)java.io.FileNotFoundException: No lease on /hbase/data/default/largeT1/2b48346d087275fe751fc049334fda93/recovered.edits/0000000000000000000.temp (inode 1092653): File does not exist. [Lease.  Holder: DFSClient_NONMAPREDUCE_1202985678_1, pendingcreates: 1936]?at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkLease(FSNamesystem.java:3432)?at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.analyzeFileState(FSNamesystem.java:3223)?at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getNewBlockTargets(FSNamesystem.java:3057)?at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:3011)?at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.addBlock(NameNodeRpcServer.java:842)?at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.addBlock(ClientNamenodeProtocolServerSideTranslatorPB.java:526)?at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)?at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:616)?at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:973)?at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2260)?at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2256)?at java.security.AccessController.doPrivileged(Native Method)?at javax.security.auth.Subject.doAs(Subject.java:422)?at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1769)?at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2254)?at sun.reflect.GeneratedConstructorAccessor40.newInstance(Unknown Source)?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.DataStreamer.locateFollowingBlock(DataStreamer.java:1842)?at org.apache.hadoop.hdfs.DataStreamer.nextBlockOutputStream(DataStreamer.java:1639)?at org.apache.hadoop.hdfs.DataStreamer.run(DataStreamer.java:665)

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