Can you check in nifi-users.xml the authorization error? This will show us the principal which is trying to connect. It should be the owner of the certificate store into keystore.jks. Make sure that matches with the principals that are created into users.xml ... View more

If you plan upgrade to Cloudera Flow Management 2.1.4, which includes NiFi 1.16, you can follow the migration Paths that are listed in the next document: https://docs.cloudera.com/cfm/2.1.4/upgrade-paths/topics/cfm-upgrade-paths.html   ... View more

You need to create a DBCPConnectionPool service and set the required connection properties. On DataBase driver location you can enter the folder where the jar files are located, this folder must be accesible by nifi service user and must be present in all of the NiFI nodes.   https://nifi.apache.org/docs/nifi-docs/components/org.apache.nifi/nifi-dbcp-service-nar/1.16.0/org.apache.nifi.dbcp.DBCPConnectionPool/index.html   Then you can use a SQL processor, such as PutSQL to insert data into the data base: https://nifi.apache.org/docs/nifi-docs/components/org.apache.nifi/nifi-standard-nar/1.16.0/org.apache.nifi.processors.standard.PutSQL/   ... View more

Can you share a snapshot of nifi-user.log file captured when you get 403 error?   ... View more

Can you share a screenshoot of current users listed on NiFI UI? Are the node listed?  Also provide the related failed authorization messages from nifi-user.log please. ... View more

What NiFi version are you running? Are you able to connect with ftp command from nifi host using same ftp credentials? ... View more

The node identity is taken from the owner of the keystore certificate. Make sure that each nifi node has its own keystore with the right private key certificate owner. And only one private key entry by keystore. ... View more

In the following link you can find how to call Cloudera Manager API to modify Safety valves: https://docs.cloudera.com/cdp-private-cloud-base/latest/configuring-clusters/topics/cm-api-set-snippet.html   ... View more

logback.xml configuration must be edited with Cloudera Manager, You need to go to NiFi Service > Configuration and search for logback.xml. These property will preserve the custom logback.xml changes and will be added to the logback.xml created during process start   ... View more

Could you share authorizations.xml and users.xml files? ... View more