venkata ram kumar ch created HDFS-14014: -------------------------------------------
Summary: Unable to change the state of DN to maintenance using dfs.hosts.maintenance Key: HDFS-14014 URL: https://issues.apache.org/jira/browse/HDFS-14014 Project: Hadoop HDFS Issue Type: Bug Reporter: venkata ram kumar ch hdfs-site.xml configurations : <property> <name>dfs.namenode.maintenance.replication.min</name> <value>1</value> </property> <property> <name>dfs.namenode.hosts.provider.classname</name> <value>org.apache.hadoop.hdfs.server.blockmanagement.CombinedHostFileManager</value> </property> <property> <name>dfs.hosts.maintenance</name> <value>/opt/lifeline2/install/hadoop/namenode/etc/hadoop/maintenance</value> </property> </configuration> maintenance file : { "hostName": "vm1", "port": 50076, "adminState": "IN_MAINTENANCE", "maintenanceExpireTimeInMS" : 1540204025000} Command : /hadoop/namenode/bin # ./hdfs dfsadmin -refreshNodes 2018-10-22 17:45:54,286 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable Refresh nodes failed for vm1:65110 Refresh nodes failed for vm2:65110 refreshNodes: 2 exceptions [org.apache.hadoop.ipc.RemoteException(java.io.FileNotFoundException): (No such file or directory) at java.io.FileInputStream.open0(Native Method) at java.io.FileInputStream.open(FileInputStream.java:195) at java.io.FileInputStream.<init>(FileInputStream.java:138) at java.io.FileInputStream.<init>(FileInputStream.java:93) at org.apache.hadoop.hdfs.util.CombinedHostsFileReader.readFile(CombinedHostsFileReader.java:75) at org.apache.hadoop.hdfs.server.blockmanagement.CombinedHostFileManager.refresh(CombinedHostFileManager.java:215) at org.apache.hadoop.hdfs.server.blockmanagement.CombinedHostFileManager.refresh(CombinedHostFileManager.java:210) at org.apache.hadoop.hdfs.server.blockmanagement.DatanodeManager.refreshHostsReader(DatanodeManager.java:1195) at org.apache.hadoop.hdfs.server.blockmanagement.DatanodeManager.refreshNodes(DatanodeManager.java:1177) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.refreshNodes(FSNamesystem.java:4488) at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.refreshNodes(NameNodeRpcServer.java:1270) at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.refreshNodes(ClientNamenodeProtocolServerSideTranslatorPB.java:913) 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$RpcCall.run(Server.java:872) at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:818) 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:1729) at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2678) , org.apache.hadoop.ipc.RemoteException(java.io.FileNotFoundException): (No such file or directory) at java.io.FileInputStream.open0(Native Method) at java.io.FileInputStream.open(FileInputStream.java:195) at java.io.FileInputStream.<init>(FileInputStream.java:138) at java.io.FileInputStream.<init>(FileInputStream.java:93) at org.apache.hadoop.hdfs.util.CombinedHostsFileReader.readFile(CombinedHostsFileReader.java:75) at org.apache.hadoop.hdfs.server.blockmanagement.CombinedHostFileManager.refresh(CombinedHostFileManager.java:215) at org.apache.hadoop.hdfs.server.blockmanagement.CombinedHostFileManager.refresh(CombinedHostFileManager.java:210) at org.apache.hadoop.hdfs.server.blockmanagement.DatanodeManager.refreshHostsReader(DatanodeManager.java:1195) at org.apache.hadoop.hdfs.server.blockmanagement.DatanodeManager.refreshNodes(DatanodeManager.java:1177) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.refreshNodes(FSNamesystem.java:4488) at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.refreshNodes(NameNodeRpcServer.java:1270) at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.refreshNodes(ClientNamenodeProtocolServerSideTranslatorPB.java:913) at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$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$RpcCall.run(Server.java:872) at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:818) 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:1729) at 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