Some times though moving master wizard is completed still UI shows the message as "Move Master Wizard In Progress". To fix this problem you can follow below steps. Step-1) curl -u admin:admin -i -H 'X-Requested-By: ambari' -X POST -d '{"wizard-data":"{\"userName\":\"admin\",\"controllerName\":\"reassignMasterController\"}"}'http://ambari.example.com:8080/api/v1/persist Step-2). Login to the Ambari UI with "admin" user. Step-3). Create a new "local" user with some name like "admin1" (any password like "admin1") Step-4). Open another browser and login with the "admin1" user. User might see that the "Add Service Wizard in Progress" link is blinking at the top. Step-5). Now from the earlier browser where we logged in with "admin" user. We will need to click on the "Actions" => "Add Service" Step-6). Now if the "admin" user does nothing. Or Shuts down his/her laptop. Still the other admin users (like "admin1") will not be able to perform any action in the ambari UI and will keep seeing the "Add Service Wizard in Progress" link is blinking at the top. Note: *.This is tried and tested in Ambari-2.4.2 version. ... View more

How to increase Read time out value from Ambari stand alone view server to Ambari main server Stand alone Ambari view server makes below call to fetch configurations from Remote server. http://REMOTEAMBARI:8080/api/v1/clusters/CLUSTER_NAME?fields=services/ServiceInfo,hosts,Clusters If this takes more than 10 seconds you will be exception in the logs. because of that non of the views would work. Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.socketRead(SocketInputStream.java:116) at java.net.SocketInputStream.read(SocketInputStream.java:170) at java.net.SocketInputStream.read(SocketInputStream.java:141) at java.io.BufferedInputStream.fill(BufferedInputStream.java:246) at java.io.BufferedInputStream.read1(BufferedInputStream.java:286) at java.io.BufferedInputStream.read(BufferedInputStream.java:345) at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:704) at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:647) at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1536) at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1441) at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:480) at org.apache.ambari.server.controller.internal.URLStreamProvider.processURL(URLStreamProvider.java:218) at org.apache.ambari.server.controller.internal.URLStreamProvider.processURL(URLStreamProvider.java:142) at org.apache.ambari.server.view.RemoteAmbariStreamProvider.readFrom(RemoteAmbariStreamProvider.java:67) at org.apache.ambari.server.view.RemoteAmbariCluster.readFromUrlJSON(RemoteAmbariCluster.java:297) at org.apache.ambari.server.view.RemoteAmbariCluster.access$000(RemoteAmbariCluster.java:51) at org.apache.ambari.server.view.RemoteAmbariCluster$1.load(RemoteAmbariCluster.java:83) at org.apache.ambari.server.view.RemoteAmbariCluster$1.load(RemoteAmbariCluster.java:80) at com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3524) at com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2317) ... 109 more Add the below configuration in Remote/Main Ambari server /etc/ambari-server/conf/ambari.properties file. please note that this needs Ambari-server restart. views.request.read.timeout.millis=20000 Note: This is tried and tested in Ambari-2.5.0.3 version ... View more

If Ambari wrongly shows as "Add Service Wizard in Progress", starting from Ambari-2.5.x you can fix this reset the UI state. here is the steps. 1. Go to http://AMBARI-HOST:8080/#/experimental 2. Click on "Reset UI state" button 3. Now login and check the UI. it will be showing all the service options. Note: This is applicable only from Ambari-2.5.x ... View more

some times if you run some curl calls expecting to fix some other issues - it may turn out to that Ambari UI does not even load the UI. Running the below call would fix the issue and load the UI. curl -u admin:admin -i -H 'X-Requested-By: ambari' -X POST -d '{"wizard-data":"{\"userName\":\"admin\",\"controllerName\":\"\"}"}'http://AMBARIHOST:8080/api/v1/persist Note: Please note that these call should run with caution. contact Hortonworks support team. This is tried and tested with Ambari-2.4.x ... View more