Every thing is running fine But the Nifi UI is not working. I have tried everything that are given below:.
Please can anyone help me to resolve my issue.
When you start NiFi, the UI does not become available until the application has completed loading.
The above command simply shows that the application is running, but does not indicate the UI is available yet.
To verify that NiFi has completed the startup process and the UI is now available, you will need to look in the nifi-app.log for the following lines:
2017-06-12 09:16:16,029 INFO [main] org.apache.nifi.web.server.JettyServer NiFi has started. The UI is available at the following URLs: 2017-06-12 09:16:16,029 INFO [main] org.apache.nifi.web.server.JettyServer http://<HOSTNAME>:8075/nifi 2017-06-12 09:16:16,031 INFO [main] org.apache.nifi.BootstrapListener Successfully initiated communication with Bootstrap 2017-06-12 09:16:16,031 INFO [main] org.apache.nifi.NiFi Controller initialization took 14617467433 nanoseconds.
Until you see these log lines, the UI will not be accessible.
You can also run the following linux command to see if "something" is listening on port 8075 yet:
netstat -ant|grep LISTEN|grep 8075
The problem may be is the host the NiFi web server listens on. Try to change the following parameter in Ambari then restart NiFi and wait a minute: