Hi,
Until recently we were using nifi-1.6 nifi-hbase_1_1_2-client-service-nar compiled with mapr profile. It has been working fine connecting to mapr database without any issues. Recently we are upgrading to nifi-1.7, hbase client service is failing to connect with same mapr distribution. Appreciate any insights to understand what changed in nifi 1.7 that is failing to connect with maprdb. Below is the error message, appreciate any help: Wed Nov 21 06:09:13 UTC 2018, RpcRetryingCaller{globalStartTime=1542780553492, pause=100, retries=3}, org.apache.hadoop.hbase.MasterNotRunningException: org.apache.hadoop.hbase.MasterNotRunningException: Can't get connection to ZooKeeper: KeeperErrorCode = AuthFailed for /hbase Wed Nov 21 06:09:13 UTC 2018, RpcRetryingCaller{globalStartTime=1542780553492, pause=100, retries=3}, org.apache.hadoop.hbase.MasterNotRunningException: org.apache.hadoop.hbase.MasterNotRunningException: Can't get connection to ZooKeeper: KeeperErrorCode = AuthFailed for /hbase at org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithRetries(RpcRetryingCaller.java:147) at org.apache.hadoop.hbase.client.HBaseAdmin.executeCallable(HBaseAdmin.java:3917) at org.apache.hadoop.hbase.client.HBaseAdmin.listTableNames(HBaseAdmin.java:413) at org.apache.hadoop.hbase.client.HBaseAdmin.listTableNames(HBaseAdmin.java:397) at org.apache.nifi.hbase.HBase_1_1_2_ClientService.onEnabled(HBase_1_1_2_ClientService.java:264) 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.nifi.util.ReflectionUtils.invokeMethodsWithAnnotations(ReflectionUtils.java:142) at org.apache.nifi.util.ReflectionUtils.invokeMethodsWithAnnotations(ReflectionUtils.java:130) at org.apache.nifi.util.ReflectionUtils.invokeMethodsWithAnnotations(ReflectionUtils.java:75) at org.apache.nifi.util.ReflectionUtils.invokeMethodsWithAnnotation(ReflectionUtils.java:52) at org.apache.nifi.controller.service.StandardControllerServiceNode$2.run(StandardControllerServiceNode.java:433) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.apache.hadoop.hbase.MasterNotRunningException: org.apache.hadoop.hbase.MasterNotRunningException: Can't get connection to ZooKeeper: KeeperErrorCode = AuthFailed for /hbase at org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation$StubMaker.makeStub(ConnectionManager.java:1533) at org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation$MasterServiceStubMaker.makeStub(ConnectionManager.java:1553) at org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.getKeepAliveMasterService(ConnectionManager.java:1704) at org.apache.hadoop.hbase.client.MasterCallable.prepare(MasterCallable.java:38) at org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithRetries(RpcRetryingCaller.java:124) ... 20 common frames omitted Caused by: org.apache.hadoop.hbase.MasterNotRunningException: Can't get connection to ZooKeeper: KeeperErrorCode = AuthFailed for /hbase at org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.checkIfBaseNodeAvailable(ConnectionManager.java:906) at org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.access$400(ConnectionManager.java:545) at org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation$StubMaker.makeStubNoRetries(ConnectionManager.java:1483) at org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation$StubMaker.makeStub(ConnectionManager.java:1524) ... 24 common frames omitted Caused by: org.apache.zookeeper.KeeperException$AuthFailedException: KeeperErrorCode = AuthFailed for /hbase at org.apache.zookeeper.KeeperException.create(KeeperException.java:123) at org.apache.zookeeper.KeeperException.create(KeeperException.java:51) at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:1045) at org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.exists(RecoverableZooKeeper.java:221) at org.apache.hadoop.hbase.zookeeper.ZKUtil.checkExists(ZKUtil.java:541) at org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.checkIfBaseNodeAvailable(ConnectionManager.java:895) ... 27 common frames omitted Thanks, Ravi Papisetti