Knox: Unable to access NiFi Service from Knox UI
Issue
User cannot access NiFi UI from Knox Web UI with these error messages:
An unexpected error has occurred
{"cause0":"javax.ws.rs.core.UriBuilderException: The provided context path [/gateway/cdp-proxy/nifi-app] was not registered as allowed []","message":"javax.ws.rs.core.UriBuilderException: The provided context path [/gateway/cdp-proxy/nifi-app] was not registered as allowed []","url":"/nifi-api/flow/current-user","status":"500"}
Caused
"The provided context path [/gateway/cdp-proxy/nifi-app] was not registered as allowed []"
Resolution
In NiFi > Configuration > nifi.web.proxy.context.path
, replace default value with /gateway/cdp-proxy/nifi-app
and restart all NiFi server