I have a problem about Nifi Web UI. When I set nifi.web.http.host=luan-ht01, I could not access Nifi Web UI on browsers by public IP, example: http://localhost:8080/nifi/, http://107.113.193.160:8080/nifi. I only could access Nifi Web by host name, example: http://luan-ht01:8080/nifi/ . Do you have any solutions? Thank you very much. I 'm using Nifi 1.9.0. ... View more

Ambari; 2.7.3.0 HDP: 3.1.0 Ubuntu 16.04 Hi there, I want to use HttpFS. But when I run command: hdfs httpfs start But I faced this error: Exception in thread "main" java.io.IOException: Unable to initialize WebAppContext at org.apache.hadoop.http.HttpServer2.start(HttpServer2.java:1156) at org.apache.hadoop.fs.http.server.HttpFSServerWebServer.start(HttpFSServerWebServer.java:132) at org.apache.hadoop.fs.http.server.HttpFSServerWebServer.main(HttpFSServerWebServer.java:165) Caused by: java.lang.RuntimeException: Could not read HttpFS signature secret file: /usr/hdp/3.1.0.0-78/hadoop/conf/httpfs-signature.secret at org.apache.hadoop.fs.http.server.HttpFSAuthenticationFilter.getConfiguration(HttpFSAuthenticationFilter.java:95) Can you help me? Thank you. ... View more

Ambari version: 2.7.3.0 Ubuntu version: 16.04 When I used Ambari to deploy Hadoop cluster, Ambari created 2 file in apt source.list.d (ambari-hdp-1.list and hdp.list). So they could not run. ... View more