@Jay Kumar SenSharma yarn.resourcemanager.hostname.[RM_ID] was missing in yarn-site config, thanks a lot ! ... View more

Update: /var/logs/ambari-server/ambari-server.log shows: ERROR [ambari-client-thread-27] ReadHandler:102 - Caught a runtime exception executing a query java.lang.NullPointerException at org.apache.ambari.server.controller.internal.ResourceManagerHttpPropertyRequest.getConfigResourceManagerId(ResourceManagerHttpPropertyRequest.java:111) at org.apache.ambari.server.controller.internal.ResourceManagerHttpPropertyRequest.getPort(ResourceManagerHttpPropertyRequest.java:92) at org.apache.ambari.server.controller.internal.ResourceManagerHttpPropertyRequest.getUrl(ResourceManagerHttpPropertyRequest.java:77) at org.apache.ambari.server.controller.internal.HttpPropertyProvider.populateResource(HttpPropertyProvider.java:137) at org.apache.ambari.server.controller.internal.HttpPropertyProvider.populateResources(HttpPropertyProvider.java:121) at org.apache.ambari.server.controller.internal.ClusterControllerImpl.populateResources(ClusterControllerImpl.java:155) ... 31 oct. 2017 12:39:21,312 ERROR [ambari-client-thread-27] ContainerResponse:419 - The RuntimeException could not be mapped to a response, re-throwing to the HTTP container java.lang.NullPointerException at org.apache.ambari.server.controller.internal.ResourceManagerHttpPropertyRequest.getConfigResourceManagerId(ResourceManagerHttpPropertyRequest.java:111) at org.apache.ambari.server.controller.internal.ResourceManagerHttpPropertyRequest.getPort(ResourceManagerHttpPropertyRequest.java:92) at org.apache.ambari.server.controller.internal.ResourceManagerHttpPropertyRequest.getUrl(ResourceManagerHttpPropertyRequest.java:77) at org.apache.ambari.server.controller.internal.HttpPropertyProvider.populateResource(HttpPropertyProvider.java:137) at org.apache.ambari.server.controller.internal.HttpPropertyProvider.populateResources(HttpPropertyProvider.java:121) at org.apache.ambari.server.controller.internal.ClusterControllerImpl.populateResources(ClusterControllerImpl.java:155) at org.apache.ambari.server.api.query.QueryImpl.queryForSubResources(QueryImpl.java:500) 31 oct. 2017 12:39:21,315 WARN [ambari-client-thread-27] ServletHandler:561 - Error Processing URI: /api/v1/clusters/CLUSTER_NAME/components/ - (java.lang.NullPointerException) null 31 oct. 2017 12:39:21,315 WARN [ambari-client-thread-27] ServletHandler:561 - Error Processing URI: /api/v1/clusters/CLUSTER_NAME/components/ - (java.lang.NullPointerException) null 31 oct. 2017 12:39:21,461 INFO [ambari-client-thread-26] QuickLinkVisibilityControllerFactory:44 - No quick link profile is set, will display all quicklinks. ... View more

@Jay SenSharma The "timeline Sink" service is started properly and the Connection to $AMS_HOST 6188 port [tcp/*] succeeded! No Errors in /var/log/ambari-metrics-collector/ambari-metrics-collector.log yet ! /usr/lib/ambari-metrics-hadoop-sink/ambari-metrics-hadoop-sink-with-common-2.5.2.0.298.jar is loaded correctly by NameNode but not by DataNode ! ... View more

Hi @Jay SenSharma, No It's a fresh deployment ! ... View more