Getting below error post the integration with kerberos
Error starting ResourceManager org.apache.hadoop.service.ServiceStateException: java.io.IOException: DestHost:destPort ces1pub.pbm.ihost.com:8020 , LocalHost:localPort cdp2pub.pbm.ihost.com/129.40.6.167:0. Failed on local exception: java.io.IOException: Server asks us to fall back to SIMPLE auth, but this client is configured to only allow secure connections. at org.apache.hadoop.service.ServiceStateException.convert(ServiceStateException.java:105) at org.apache.hadoop.service.AbstractService.start(AbstractService.java:203) at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$RMActiveServices.serviceStart(ResourceManager.java:866) at org.apache.hadoop.service.AbstractService.start(AbstractService.java:194) at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.startActiveServices(ResourceManager.java:1269) at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$1.run(ResourceManager.java:1310) at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$1.run(ResourceManager.java:1306) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1898) at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.transitionToActive(ResourceManager.java:1306) at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceStart(ResourceManager.java:1357) at org.apache.hadoop.service.AbstractService.start(AbstractService.java:194) at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.main(ResourceManager.java:1547) Caused by: java.io.IOException: DestHost:destPort ces1pub.pbm.ihost.com:8020 , LocalHost:localPort cdp2pub.pbm.ihost.com/129.40.6.167:0. Failed on local exception: java.io.IOException: Server asks us to fall back to SIMPLE auth, but this client is configured to only allow secure connections. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at org.apache.hadoop.net.NetUtils.wrapWithMessage(NetUtils.java:831) at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:806) at org.apache.hadoop.ipc.Client.getRpcResponse(Client.java:1566) at org.apache.hadoop.ipc.Client.call(Client.java:1508) at org.apache.hadoop.ipc.Client.call(Client.java:1405) at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:233) at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:118) at com.sun.proxy.$Proxy89.mkdirs(Unknown Source) at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.mkdirs(ClientNamenodeProtocolTranslatorPB.java:666) 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:431) at org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeMethod(RetryInvocationHandler.java:166) at org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invoke(RetryInvocationHandler.java:158) at org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeOnce(RetryInvocationHandler.java:96) at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:362) at com.sun.proxy.$Proxy90.mkdirs(Unknown Source) at org.apache.hadoop.hdfs.DFSClient.primitiveMkdir(DFSClient.java:2463) at org.apache.hadoop.hdfs.DFSClient.mkdirs(DFSClient.java:2439) at org.apache.hadoop.hdfs.DistributedFileSystem$27.doCall(DistributedFileSystem.java:1476) at org.apache.hadoop.hdfs.DistributedFileSystem$27.doCall(DistributedFileSystem.java:1473) at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81) at org.apache.hadoop.hdfs.DistributedFileSystem.mkdirsInternal(DistributedFileSystem.java:1490) at org.apache.hadoop.hdfs.DistributedFileSystem.mkdirs(DistributedFileSystem.java:1465) at org.apache.hadoop.fs.FileSystem.mkdirs(FileSystem.java:2374) at org.apache.hadoop.yarn.server.resourcemanager.recovery.FileSystemRMStateStore$3.run(FileSystemRMStateStore.java:679) at org.apache.hadoop.yarn.server.resourcemanager.recovery.FileSystemRMStateStore$3.run(FileSystemRMStateStore.java:676) at org.apache.hadoop.yarn.server.resourcemanager.recovery.FileSystemRMStateStore$FSAction.runWithRetries(FileSystemRMStateStore.java:792) at org.apache.hadoop.yarn.server.resourcemanager.recovery.FileSystemRMStateStore.mkdirsWithRetries(FileSystemRMStateStore.java:682) at org.apache.hadoop.yarn.server.resourcemanager.recovery.FileSystemRMStateStore.startInternal(FileSystemRMStateStore.java:160) at org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore.serviceStart(RMStateStore.java:824) at org.apache.hadoop.service.AbstractService.start(AbstractService.java:194) ... 12 more Caused by: java.io.IOException: Server asks us to fall back to SIMPLE auth, but this client is configured to only allow secure connections. at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:851) at org.apache.hadoop.ipc.Client$Connection.access$3800(Client.java:413) at org.apache.hadoop.ipc.Client.getConnection(Client.java:1636) at org.apache.hadoop.ipc.Client.call
