Did the issue is solved? If you have multiple nifi nodes in a cluster, you need to remove flow.xml.gz in all nodes before restarting them. If that also didn't help, as Matt mentioned, please attach flow.xml.gz. ... View more

Yes, you can extract provenance event for a specific flow file. For this you need to search provenance by "flowfileuuid". This can be done by logging in to NiFi UI -> click on menu in upper right hand corner ->select Data Provenance -> select search button -> enter the flowfile's uuid in "FlowFile UUID" text box -> Click search. The same thing can be done via Rest api. To get to Rest api doc, in NiFi UI, click on menu in upper right hand corner and click Help option. When the help doc opens, browse to the bottom of the left pane window and select Rest Api under "Developer" section. You can also access data along with the event by using rest apis GET /provenance-events/{id}/content/input and GET /provenance-events/{id}/content/output. ... View more