I enabled HDFS ranger plugin and tried restarting HDFS but i am getting below error in logs - File "/var/lib/ambari-agent/cache/common-services/HDFS/2.1.0.2.0/package/scripts/hdfs_namenode.py", line 50, in namenode setup_ranger_hdfs(rolling_upgrade = rolling_restart) File "/var/lib/ambari-agent/cache/common-services/HDFS/2.1.0.2.0/package/scripts/setup_ranger_hdfs.py", line 51, in setup_ranger_hdfs hdp_version_override = hdp_version) File "/usr/lib/python2.6/site-packages/resource_management/libraries/functions/setup_ranger_plugin.py", line 73, in setup_ranger_plugin policy_user) File "/usr/lib/python2.6/site-packages/resource_management/libraries/functions/ranger_functions.py", line 106, in create_ranger_repository raise Fail('{0} Repository creation failed in Ranger admin'.format(component.title())) resource_management.core.exceptions.Fail: Hdfs Repository creation failed in Ranger admin Can you let me know how to resolve this issue? ... View more

In Ambari Ui all service action buttons are disabled. On top it shows "Add Service Wizard In Progress" Can you help how to resolve the issue? Below is the screenshot attached - ... View more

Can anyone guide me link on how to create policies in Ranger using API? ... View more

Can we run multiple pig versions in same cluster? ... View more

[root@hdp-2 QA]# hive hive.execution.engine=mr; WARNING: Use "yarn jar" to launch YARN applications. Logging initialized using configuration in file:/etc/hive/2.3.6.0-3796/0/hive-log4j.properties Exception in thread "main" java.lang.RuntimeException: org.apache.tez.dag.api.SessionNotRunning: TezSession has already shutdown. Application application_1478000219594_0017 failed 2 times due to Error launching appattempt_1478000219594_0017_000002. Got exception: java.net.NoRouteToHostException: No Route to Host from hdp-2.3master.server.org/10.200.80.245 to hdp-2.3slave1.server.org:45454 failed on socket timeout exception: java.net.NoRouteToHostException: No route to host; For more details see: http://wiki.apache.org/hadoop/NoRouteToHost at sun.reflect.GeneratedConstructorAccessor89.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:422) at org.apache.hadoop.net.NetUtils.wrapWithMessage(NetUtils.java:801) at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:758) at org.apache.hadoop.ipc.Client.call(Client.java:1459) at org.apache.hadoop.ipc.Client.call(Client.java:1392) at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229) at com.sun.proxy.$Proxy89.startContainers(Unknown Source) at org.apache.hadoop.yarn.api.impl.pb.client.ContainerManagementProtocolPBClientImpl.startContainers(ContainerManagementProtocolPBClientImpl.java:96) at sun.reflect.GeneratedMethodAccessor165.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497) at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:256) at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:104) at com.sun.proxy.$Proxy90.startContainers(Unknown Source) at org.apache.hadoop.yarn.server.resourcemanager.amlauncher.AMLauncher.launch(AMLauncher.java:118) at org.apache.hadoop.yarn.server.resourcemanager.amlauncher.AMLauncher.run(AMLauncher.java:250) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) Caused by: java.net.NoRouteToHostException: No route to host at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717) at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206) at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:531) at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:495) at org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:649) at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:744) at org.apache.hadoop.ipc.Client$Connection.access$3000(Client.java:397) at org.apache.hadoop.ipc.Client.getConnection(Client.java:1521) at org.apache.hadoop.ipc.Client.call(Client.java:1431) ... View more