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Wei-Chiu Chuang commented on HDFS-14013: ---------------------------------------- I read the description and wondered why use HDFS to store credential file for ZKFC. Now that I read the patch I realized the intent is to exclude HDFS path during ZKFC startup. Can we change the jira summary to make it more clear? > HDFS ZKFC on standby NN not starting with credentials stored in hdfs > -------------------------------------------------------------------- > > Key: HDFS-14013 > URL: https://issues.apache.org/jira/browse/HDFS-14013 > Project: Hadoop HDFS > Issue Type: Bug > Components: hdfs > Affects Versions: 3.1.1 > Reporter: Krzysztof Adamski > Assignee: Stephen O'Donnell > Priority: Major > Labels: zkfc > Attachments: HDFS-14013.001.patch, hadoop-hdfs-zkfc-server1.log > > > HDFS ZKFailoverController is not starting correctly on strandby NameNode when > credential provideris stored in hdfs. Removing credential provider entry from > core-site helps. See full exception stack attached. > It looks like if it only checks the credentials on the same host namenode, > not redirects to the active one. It may make sense to delay credential check > after active namenode is elected and redirect to the active namenode as well. > > > {code:java} > 2018-10-22 08:17:09,251 FATAL tools.DFSZKFailoverController > (DFSZKFailoverController.java:main(197)) - DFSZKFailOverController exiting > due to earlier exception java.io.IOException: Configuration problem with > provider path. 2018-10-22 08:17:09,252 DEBUG util.ExitUtil > (ExitUtil.java:terminate(209)) - Exiting with status 1: java.io.IOException: > Configuration problem with provider path. 1: java.io.IOException: > Configuration problem with provider path. at > org.apache.hadoop.util.ExitUtil.terminate(ExitUtil.java:265) at > org.apache.hadoop.hdfs.tools.DFSZKFailoverController.main(DFSZKFailoverController.java:199) > Caused by: java.io.IOException: Configuration problem with provider path. > at > org.apache.hadoop.conf.Configuration.getPasswordFromCredentialProviders(Configuration.java:2363) > at > org.apache.hadoop.conf.Configuration.getPassword(Configuration.java:2282) > at > org.apache.hadoop.security.SecurityUtil.getZKAuthInfos(SecurityUtil.java:732) > at > org.apache.hadoop.ha.ZKFailoverController.initZK(ZKFailoverController.java:343) > at > org.apache.hadoop.ha.ZKFailoverController.doRun(ZKFailoverController.java:194) > at > org.apache.hadoop.ha.ZKFailoverController.access$000(ZKFailoverController.java:60) > at > org.apache.hadoop.ha.ZKFailoverController$1.run(ZKFailoverController.java:175) > at > org.apache.hadoop.ha.ZKFailoverController$1.run(ZKFailoverController.java:171) > at java.security.AccessController.doPrivileged(Native Method) at > javax.security.auth.Subject.doAs(Subject.java:360) at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1710) > at > org.apache.hadoop.security.SecurityUtil.doAsLoginUserOrFatal(SecurityUtil.java:480) > at > org.apache.hadoop.ha.ZKFailoverController.run(ZKFailoverController.java:171) > at > org.apache.hadoop.hdfs.tools.DFSZKFailoverController.main(DFSZKFailoverController.java:195) > Caused by: > org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.ipc.StandbyException): > Operation category READ is not supported in state standby. Visit > https://s.apache.org/sbnn-error at > org.apache.hadoop.hdfs.server.namenode.ha.StandbyState.checkOperation(StandbyState.java:88) > at > org.apache.hadoop.hdfs.server.namenode.NameNode$NameNodeHAContext.checkOperation(NameNode.java:1951) > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkOperation(FSNamesystem.java:1427) > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getFileInfo(FSNamesystem.java:3100) > at > org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getFileInfo(NameNodeRpcServer.java:1154) > at > org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getFileInfo(ClientNamenodeProtocolServerSideTranslatorPB.java:966) > at > org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java) > at > org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:524) > at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1025) at > org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:876) at > org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:822) 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:1730) > at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2682) > at org.apache.hadoop.ipc.Client.getRpcResponse(Client.java:1497) at > org.apache.hadoop.ipc.Client.call(Client.java:1443) at > org.apache.hadoop.ipc.Client.call(Client.java:1353) at > org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:228) > at > org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:116) > at com.sun.proxy.$Proxy9.getFileInfo(Unknown Source) at > org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:900) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) > 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$Call.invokeOnce(RetryInvocationHandler.java:95) > at > org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:359) > at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source) at > org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:1654) at > org.apache.hadoop.hdfs.DistributedFileSystem$29.doCall(DistributedFileSystem.java:1583) > at > org.apache.hadoop.hdfs.DistributedFileSystem$29.doCall(DistributedFileSystem.java:1580) > at > org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81) > at > org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1595) > at org.apache.hadoop.fs.FileSystem.exists(FileSystem.java:1734) at > org.apache.hadoop.security.alias.JavaKeyStoreProvider.keystoreExists(JavaKeyStoreProvider.java:65) > at > org.apache.hadoop.security.alias.AbstractJavaKeyStoreProvider.locateKeystore(AbstractJavaKeyStoreProvider.java:319) > at > org.apache.hadoop.security.alias.AbstractJavaKeyStoreProvider.<init>(AbstractJavaKeyStoreProvider.java:86) > at > org.apache.hadoop.security.alias.JavaKeyStoreProvider.<init>(JavaKeyStoreProvider.java:49) > at > org.apache.hadoop.security.alias.JavaKeyStoreProvider.<init>(JavaKeyStoreProvider.java:41) > at > org.apache.hadoop.security.alias.JavaKeyStoreProvider$Factory.createProvider(JavaKeyStoreProvider.java:100) > at > org.apache.hadoop.security.alias.CredentialProviderFactory.getProviders(CredentialProviderFactory.java:73) > at > org.apache.hadoop.conf.Configuration.getPasswordFromCredentialProviders(Configuration.java:2344) > ... 13 more{code} > -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org