Hi All, I am facing one issue during the nifi cluster upgrade to 1.12 version from 1.8 version.
I have a *custom processor for AWSCredentialsProviderControllerService controller service. this has been build on top of 1.8* version . the structure for custom processor in flow.xml.gz file is: <name>AWSCredentialsProviderControllerService100</name> <class>org.apache.nifi.processors.aws.credentials.provider.service.AWSCredentialsProviderControllerService</class> <bundle> <group>com.xxx.xx1234</group> <artifact>nifi-custom-ping-credentials-controller-service</artifact> <version>*1.0.0*</version> </bundle> There are also *default AWSCredentialsProviderControllerService *controller service of 1.8version is present which is having below configuration in flow.xml <name>AWSCredentialsProviderControllerService180</name> <class>org.apache.nifi.processors.aws.credentials.provider.service.AWSCredentialsProviderControllerService</class> <bundle> <group>org.apache.nifi</group> <artifact>nifi-aws-nar</artifact> <version>*1.8.0*</version> So I am upgrading the nifi cluster , which means putting this flow.xml.gz file from 1.8 cluster to 1.12 cluster . After the cluster up I am seeing the *default AWSCredentialsProviderControllerService(1.8 version) controller is not auto upgraded to 1.12* bundle and getting invalid with error: Error: missing controller service validated against "any property" is invalid because controler service of this type org.apache.nifi.processors.aws.credentials.provider.service.AWSCredentialsProviderControllerService, but this is not a valid reporting task type. log I am seeing : 2020-10-14 17:14:56,042 ERROR [main] o.a.nifi.controller.ExtensionBuilder Could not create Controller Service of type org.apache.nifi.processors.aws.credentials.provider.service.AWSCredentialsProviderControllerService for ID 25defb18-0175-1000-5bb4-febb1b1a21db due to: Unable to find bundle for coordinate org.apache.nifi:nifi-aws-nar:1.8.0; creating "Ghost" implementation 2020-10-14 17:14:56,042 INFO [main] o.a.nifi.groups.StandardProcessGroup StandardControllerServiceNode[service=GhostControllerService[id=25defb18-0175-1000-5bb4-febb1b1a21db, type=org.apache.nifi.processors.aws.credentials.provider.service.AWSCredentialsProviderControllerService], versionedComponentId=null, processGroup=StandardProcessGroup[identifier=8cb90667-0174-1000-8741-3bfe7f19db7f], active=false] added to StandardProcessGroup[identifier=8cb90667-0174-1000-8741-3bfe7f19db7f] There is *no issue in the custom processor *(nifi-custom-ping-credentials-controller-service 1.0.0) as 1.0.0 version nar file is present in the 1.12 cluster Also *no issue with other 1.8 version processor *& controller service , all are auto upgraded to 1.12 version. Could you please let me know what should be done to avoid this type of issue in upgrade? -- Sanjeet Kumar Rath, mob- +91 8777577470