@Kyle Pifer This is very strange. No there is no problem on using problem 8080. Whats in the log when hit the browser? netstat -anp | grep 8080 ... View more

@Kyle Pifer Thanks for sharing the ambari.properties. See this article https://docs.hortonworks.com/HDPDocuments/Ambari-2.2.0.0/bk_ambari_reference_guide/content/_optional_changing_the_default_ambari_server_port.html You are using default port for sure otherwise you should have client.api.port defined. Steps: ambari-server stop mv/var/log/ambari-server/ambari-server.log /var/log/ambari-server/ambari-server.log.bakup ambari-server start now, check whats in the log file. ... View more

@Kyle Pifer Please attach /etc/ambari-server/conf/ambari.properties ... View more

@Shaofeng Shi Thanks for sharing all the comments. I wonder if it;s possible to post them as an article...Please ... View more

@Willem Van Asperen @Robert Pappas @Goran Štrok Did it work? ... View more

@Rainer Geissendoerfer You may have to run this before deleting in case delete complains In Ambari server curl --user admin:admin -i -H "X-Requested-By: ambari" -X PUT http://`hostname -f`:8080/api/v1/clusters/HDPTEST/services/NIFI -d '{"RequestInfo": {"context" :"Stop NIFI via REST"}, "Body": {"ServiceInfo": {"state": "INSTALLED"}}}' ... View more

@Rainer Geissendoerfer You can try this Delete the service run this in ambari server curl --user admin:admin -i -H "X-Requested-By: ambari" -X DELETE http://`hostname -f`:8080/api/v1/clusters/clustername/services/NIFI cleanup everything under /var/log/nifi and /var/run/nifi and try to add it back using Ambari after making sure that nifi directory exists under /var/log and /var/run with proper permissions or Wait for the official release of Amabri Service. 🙂 ... View more

@Rainer Geissendoerfer You can search git code to get an idea on directory structure https://github.com/abajwa-hw/ambari-nifi-service/search?utf8=%E2%9C%93&q=%2Fvar%2F ... View more

@Rainer Geissendoerfer If you look deeply 😉 it's still permission issue. Make sure that you create directories for nifi user under /var/log, /var/run etc. ... View more

@Rainer Geissendoerfer Couple of things: 1) Ambari service for NiFi is not officially released yet. You are using git code. 2) This is based on existing issue. I don't know how your setup looks like so you may want to check this. In git code, user nifi is starting nifi ..make sure that nifi user has privilieges to write to /var/log code link ... View more