Nifi installed on Windows Server 2008 R2 using the Windows msi without any errors. The service starts up but when I attempt to open nifi in the Web browser using http://localhost:8080/nifi, I get the Nifi water drop but the canvas never appears. The error appears in the nifi user log. Do I need to enable HTTPS? 2018-04-10 14:52:07,061 INFO [NiFi Web Server-119] org.apache.nifi.web.filter.RequestLogger Attempting request for (<no user found>) POST http://localhost:8080/nifi-api/access/kerberos (source ip: 127.0.0.1) 2018-04-10 14:52:07,062 INFO [NiFi Web Server-119] o.a.n.w.a.c.IllegalStateExceptionMapper java.lang.IllegalStateException: Access tokens are only issued over HTTPS.. Returning Conflict response. 2018-04-10 14:52:07,235 INFO [NiFi Web Server-128] org.apache.nifi.web.filter.RequestLogger Attempting request for (<no user found>) POST http://localhost:8080/nifi-api/access/oidc/exchange (source ip: 127.0.0.1) 2018-04-10 14:52:07,236 INFO [NiFi Web Server-128] o.a.n.w.a.c.IllegalStateExceptionMapper java.lang.IllegalStateException: User authentication/authorization is only supported when running over HTTPS.. Returning Conflict response. 2018-04-10 14:52:07,842 INFO [NiFi Web Server-129] org.apache.nifi.web.filter.RequestLogger Attempting request for (anonymous) GET http://localhost:8080/nifi-api/flow/current-user (source ip: 127.0.0.1) 2018-04-10 14:52:08,418 INFO [NiFi Web Server-128] org.apache.nifi.web.filter.RequestLogger Attempting request for (anonymous) GET http://localhost:8080/nifi-api/flow/client-id (source ip: 127.0.0.1) 2018-04-10 14:52:08,419 INFO [NiFi Web Server-114] org.apache.nifi.web.filter.RequestLogger Attempting request for (anonymous) GET http://localhost:8080/nifi-api/flow/config (source ip: 127.0.0.1) 2018-04-10 14:52:08,422 INFO [NiFi Web Server-131] org.apache.nifi.web.filter.RequestLogger Attempting request for (anonymous) GET http://localhost:8080/nifi-api/flow/cluster/summary (source ip: 127.0.0.1) 2018-04-10 14:52:09,634 INFO [NiFi Web Server-45] org.apache.nifi.web.filter.RequestLogger Attempting request for (anonymous) GET http://localhost:8080/nifi-api/flow/banners (source ip: 127.0.0.1) 2018-04-10 14:52:11,046 INFO [NiFi Web Server-133] org.apache.nifi.web.filter.RequestLogger Attempting request for (anonymous) GET http://localhost:8080/nifi-api/flow/processor-types (source ip: 127.0.0.1) 2018-04-10 14:52:11,076 INFO [NiFi Web Server-128] org.apache.nifi.web.filter.RequestLogger Attempting request for (anonymous) GET http://localhost:8080/nifi-api/flow/about (source ip: 127.0.0.1) 2018-04-10 14:52:11,262 INFO [NiFi Web Server-130] org.apache.nifi.web.filter.RequestLogger Attempting request for (<no user found>) GET http://localhost:8080/nifi-api/access/config (source ip: 127.0.0.1) 2018-04-10 14:52:12,613 INFO [NiFi Web Server-131] org.apache.nifi.web.filter.RequestLogger Attempting request for (anonymous) GET http://localhost:8080/nifi-api/flow/controller-service-types (source ip: 127.0.0.1) 2018-04-10 14:52:15,440 INFO [NiFi Web Server-119] org.apache.nifi.web.filter.RequestLogger Attempting request for (anonymous) GET http://localhost:8080/nifi-api/flow/reporting-task-types (source ip: 127.0.0.1) 2018-04-10 14:52:26,157 INFO [NiFi Web Server-113] org.apache.nifi.web.filter.RequestLogger Attempting request for (anonymous) GET http://localhost:8080/nifi-api/flow/prioritizers (source ip: 127.0.0.1) ... View more

I provisioned an HDP 2.6 cluster using HD Cloud. When I first start up the cluster I get a critical Ambari alert for HiveServer2 interactive. I tried restarting zookeeper and hive, restarting the master host, but I still get the error. Ambari is unable to make a connection to the interactive port of Hiveserver2: ExecutionFailed: Execution of '! beeline -u 'jdbc:hive2://ip-10-0-68-150.us-west-1.compute.internal:10500/;transportMode=binary' -e '' 2>&1| awk '{print}'|grep -i -e 'Connection refused' -e 'Invalid URL'' returned 1. Error: Could not open client transport with JDBC Uri: jdbc:hive2://ip-10-0-68-150.us-west-1.compute.internal:10500/;transportMode=binary: java.net.ConnectException: Connection refused (Connection refused) (state=08S01,code=0) Error: Could not open client transport with JDBC Uri: jdbc:hive2://ip-10-0-68-150.us-west-1.compute.internal:10500/;transportMode=binary: java.net.ConnectException: Connection refused (Connection refused) (state=08S01,code=0) ) Hiveserver2 interactive log has the following error indicating an issue with Zookeeper: 2017-04-29 18:38:05,175 INFO [main-SendThread(ip-10-0-68-150.us-west-1.compute.internal:2181)]: zookeeper.ClientCnxn (ClientCnxn.java:logStartConnect(1019)) - Opening socket connection to server ip-10-0-68-150.us-west-1.compute.internal/10.0.68.150:2181. Will not attempt to authenticate using SASL (unknown error) The zookeeper log contains the following error messages: 2017-04-29 18:40:05,624 - INFO [ProcessThread(sid:0 cport:-1)::PrepRequestProcessor@645] - Got user-level KeeperException when processing sessionid:0x15bbae5b75a000a type:delete cxid:0x338 zxid:0x20e txntype:-1 reqpath:n/a Error Path:/registry/users/hive/services/org-apache-slider/llap0 Error:KeeperErrorCode = Directory not empty for /registry/users/hive/services/org-apache-slider/llap0 2017-04-29 18:40:05,992 - INFO [ProcessThread(sid:0 cport:-1)::PrepRequestProcessor@645] - Got user-level KeeperException when processing sessionid:0x15bbb0169d00008 type:create cxid:0x1 zxid:0x213 txntype:-1 reqpath:n/a Error Path:/services Error:KeeperErrorCode = NodeExists for /services 2017-04-29 18:40:05,998 - INFO [ProcessThread(sid:0 cport:-1)::PrepRequestProcessor@645] - Got user-level KeeperException when processing sessionid:0x15bbb0169d00008 type:create cxid:0x2 zxid:0x214 txntype:-1 reqpath:n/a Error Path:/services/slider Error:KeeperErrorCode = NodeExists for /services/slider 2017-04-29 18:40:05,999 - INFO [ProcessThread(sid:0 cport:-1)::PrepRequestProcessor@645] - Got user-level KeeperException when processing sessionid:0x15bbb0169d00008 type:create cxid:0x3 zxid:0x215 txntype:-1 reqpath:n/a Error Path:/services/slider/users Error:KeeperErrorCode = NodeExists for /services/slider/users 2017-04-29 18:40:06,000 - INFO [ProcessThread(sid:0 cport:-1)::PrepRequestProcessor@645] - Got user-level KeeperException when processing sessionid:0x15bbb0169d00008 type:create cxid:0x4 zxid:0x216 txntype:-1 reqpath:n/a Error Path:/services/slider/users/hive Error:KeeperErrorCode = NodeExists for /services/slider/users/hive 2017-04-29 18:40:06,043 - INFO [ProcessThread(sid:0 cport:-1)::PrepRequestProcessor@645] - Got user-level KeeperException when processing sessionid:0x15bbb0169d00009 type:delete cxid:0x1 zxid:0x218 txntype:-1 reqpath:n/a Error Path:/registry/users/hive/services/org-apache-slider/llap0 Error:KeeperErrorCode = NoNode for /registry/users/hive/services/org-apache-slider/llap0 2017-04-29 18:40:21,698 - INFO [ProcessThread(sid:0 cport:-1)::PrepRequestProcessor@645] - Got user-level KeeperException when processing sessionid:0x15bbb0169d0000a type:delete cxid:0x1 zxid:0x21d txntype:-1 reqpath:n/a Error Path:/registry/users/hive/services/org-apache-slider/llap0 Error:KeeperErrorCode = NoNode for /registry/users/hive/services/org-apache-slider/llap0 2017-04-29 18:40:21,728 - INFO [ProcessThread(sid:0 cport:-1)::PrepRequestProcessor@645] - Got user-level KeeperException when processing sessionid:0x15bbb0169d0000a type:create cxid:0x2 zxid:0x21e txntype:-1 reqpath:n/a Error Path:/registry/users/hive/services/org-apache-slider Error:KeeperErrorCode = NodeExists for /registry/users/hive/services/org-apache-slider 2017-04-29 18:41:00,709 - INFO [ProcessThread(sid:0 cport:-1)::PrepRequestProcessor@645] - Got user-level KeeperException when processing sessionid:0x15bbb0169d0000f type:create cxid:0x1 zxid:0x22e txntype:-1 reqpath:n/a Error Path:/hiveserver2-hive2 Error:KeeperErrorCode = NodeExists for /hiveserver2-hive2 Any help would be much appreciated. ... View more

I am provisioning a cluster using version 1.14.0 of Hortonworks Data Cloud. The Autoscaling status slider is in the off position, but cluster provisioning fails with the following error on the auto scaling token: Infrastructure creation failed. Reason: com.amazonaws.AmazonServiceException: The security token included in the request is expired (Service: AmazonAutoScaling; Status Code: 403; Error Code: ExpiredToken; Request ID: cf2aebb0-2cec-11e7-8985-4100dda4669c) The autoscaling tab on the failed cluster in the cloud controller, shows the cluster trying to autoscale to 3 nodes: ... View more