@Shelton  thanks for your reply ! this cross realm works when we want to setup cross realm between AD and MIT KDC server , but when your edge node is in different realm and datanodes are in different realm how will you setup corss realm ? my problem is when AD users will login edge node and  get kerberos ticket which will be communicated to namenode and namenode will gice delegate token to authenticate further , but as this case datanodes are in not in the same realm as edge node hence same delegate token won't work .  how do i setup cross realm between edge node and datanodes . do i need to setup like following : 1) cross realm MIT KDC (edge node ) to AD . 2) cross realm MIT KDC (datanodes ) to AD.   I have got confused with cross realm ideas though link provided you MIT KDC to AD trust I do understand but I am not able to get solution when edge node and data nodes both are in different real . thanks    ... View more

@Aditya Sirna Thanks Aditya , but is there a way instead of rest api , clients can be installed with the help of ambari . ... View more

@Jay Kumar SenSharma Qorg/apache/ambari/server/controller/AmbariServer.class class in file:/usr/lib/ambari-server/ambari-server-2.6.0.0.267.jar!/org/apache/ambari/server/controller/AmbariServer.class 05 Jan 2018 05:06:29,311 INFO [main] Configuration:3048 - Reading password from existing file 05 Jan 2018 05:06:29,320 INFO [main] Configuration:3542 - Hosts Mapping File null 05 Jan 2018 05:06:29,321 INFO [main] HostsMap:60 - Using hostsmap file null 05 Jan 2018 05:06:29,793 INFO [main] ControllerModule:224 - Detected POSTGRES as the database type from the JDBC URL 05 Jan 2018 05:06:29,842 INFO [main] ControllerModule:545 - Searching package org.apache.ambari.server for annotations matching [interface org.apache.ambari.server.EagerSingleton, interface org.apache.ambari.server.StaticallyInject, interface org.apache.ambari.server.AmbariService] 05 Jan 2018 05:06:30,128 INFO [main] ClasspathScannerUtils:54 - Checking package [org.apache.ambari.server] for binding candidates. 05 Jan 2018 05:06:30,664 INFO [main] ControllerModule:587 - Registering service class org.apache.ambari.server.controller.logging.LogSearchDataRetrievalService 05 Jan 2018 05:06:30,671 INFO [main] ControllerModule:587 - Registering service class org.apache.ambari.server.state.services.AlertNoticeDispatchService 05 Jan 2018 05:06:30,673 INFO [main] ControllerModule:587 - Registering service class org.apache.ambari.server.state.services.AmbariServerAlertService 05 Jan 2018 05:06:30,674 INFO [main] ControllerModule:587 - Registering service class org.apache.ambari.server.state.services.CachedAlertFlushService 05 Jan 2018 05:06:30,827 INFO [main] ControllerModule:587 - Registering service class org.apache.ambari.server.state.services.MetricsRetrievalService 05 Jan 2018 05:06:30,829 INFO [main] ControllerModule:587 - Registering service class org.apache.ambari.server.state.services.RetryUpgradeActionService 05 Jan 2018 05:06:30,849 INFO [main] ControllerModule:615 - Searching package org.apache.ambari.server.notifications.dispatchers for dispatchers matching interface org.apache.ambari.server.notifications.NotificationDispatcher 05 Jan 2018 05:06:30,930 INFO [main] ControllerModule:655 - Binding and registering notification dispatcher class org.apache.ambari.server.notifications.dispatchers.SNMPDispatcher 05 Jan 2018 05:06:30,937 INFO [main] ControllerModule:655 - Binding and registering notification dispatcher class org.apache.ambari.server.notifications.dispatchers.EmailDispatcher 05 Jan 2018 05:06:30,944 INFO [main] ControllerModule:655 - Binding and registering notification dispatcher class org.apache.ambari.server.notifications.dispatchers.AlertScriptDispatcher 05 Jan 2018 05:06:30,945 INFO [main] ControllerModule:655 - Binding and registering notification dispatcher class org.apache.ambari.server.notifications.dispatchers.AmbariSNMPDispatcher 05 Jan 2018 05:06:30,946 INFO [main] ControllerModule:679 - Searching package org.apache.ambari.server.checks for classes matching class org.apache.ambari.server.checks.AbstractCheckDescriptor 05 Jan 2018 05:06:31,111 INFO [main] ControllerModule:715 - Registered pre-upgrade check class org.apache.ambari.server.checks.HostsMasterMaintenanceCheck 05 Jan 2018 05:06:31,111 INFO [main] ControllerModule:715 - Registered pre-upgrade check class org.apache.ambari.server.checks.ServicesMaintenanceModeCheck tcp6 0 0 :::8080 :::* LISTEN 2710/java service iptables status : ● iptables.service - IPv4 firewall with iptables Loaded: loaded (/usr/lib/systemd/system/iptables.service; disabled; vendor preset: disabled) Active: inactive (dead) [root@namenode ~]# telnet 104.197.146.171 8080 Trying 104.197.146.171... telnet: connect to address 104.197.146.171: Connection timed out [root@namenode ~]# telnet namenode.c.famous-augury-181309.internal 8080 Trying 10.128.0.2... Connected to namenode.c.famous-augury-181309.internal. Escape character is '^]'. nOte : I am using google cloud platfrom vm instance to install cluster. [root@namenode ~]# telnet namenode.c.famous-augury-181309.internal 8080 Trying 10.128.0.2... Connected to namenode.c.famous-augury-181309.internal. Escape character is '^]'. if i open ambari web ui replacing ip address with hostname it shows : This site can’t be reached namenode.c.famous-augury-181309.internal’s server IP address could not be found. Search Google for namenode famous augury 181309 internal 8080 ERR_NAME_NOT_RESOLVED ... View more

hi , amabri -server status i have cehcked already it is in running state. when I try to access amabri web ui it shows me some DNS problem and if i repalce with ip it gives error as time out or more time taken, I have installed ambari server on machine that ip address i am taking as amabri server access. ... View more