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Wiktor Kubicki commented on NIFI-9294: -------------------------------------- Firstly - i dont think u should run nifi as root - it can be security leak. I guarantee you that nifi is usable in non-root enviroment. Personally i ignore warning about no java_home set, but i have very vanilla host with one version of java and nothing else. I believe this is important in more coplex enviroment. You could try add java_home in your .profile file (yours and root user if you use sudo). There is very similar case: https://stackoverflow.com/questions/34966648/java-home-is-not-defined-correctly-on-ubuntu. Try it and remember to give feedback here :) > nifi.sh: JAVA_HOME not set; results may vary > -------------------------------------------- > > Key: NIFI-9294 > URL: https://issues.apache.org/jira/browse/NIFI-9294 > Project: Apache NiFi > Issue Type: Bug > Components: Configuration, NiFi Registry, NiFi Stateless, Tools and > Build > Affects Versions: 1.14.0 > Environment: Ubuntu 20.04 > Reporter: Grivine Ochieng Otieno > Priority: Critical > Attachments: Screenshot from 2021-10-11 20-18-57.png, nifi-env.sh, > nifi.sh > > Original Estimate: 60h > Remaining Estimate: 60h > > I cant start NiFi after installing and setting up path for java on my > computer. The message returned on the terminal is as shown in the image and > attachments. Please can anyone help me resolve the issue? > JAVA_HOME is set already. I tried editing the nifi_env.sh file but it > returned an error saying java path is invalid. I am stuck and cannot proceed. > -- This message was sent by Atlassian Jira (v8.20.1#820001)