Devin, This WIki page shows how to create the appropriate dependencies between your NAR and the ControllerService:
https://cwiki.apache.org/confluence/display/NIFI/Maven+Projects+for+Extensions#MavenProjectsforExtensions-LinkingProcessorsandControllerServices I also created an example project on GitHub to show a working example: https://github.com/bbende/nifi-dependency-example Hope that helps. -Bryan On Tue, Mar 15, 2016 at 7:33 PM, Oleg Zhurakousky < ozhurakou...@hortonworks.com> wrote: > Devin > > Your problem is most likely in your NAR poms where you may satisfy compile > dependency but not NAR to participate in class loader runtime inheritance. > Is there a way to look at your poms and also the general structure of the > project? > > Oleg > > Sent from my iPhone > > > On Mar 15, 2016, at 18:51, Devin Fisher < > devin.fis...@perfectsearchcorp.com> wrote: > > > > I'm having issues using a standard controller service > (DBCPConnectionPool) > > that is provided by nifi-dbcp-service-nar. But I'm having issues with my > > nar. I have included a dependency on nifi-dbcp-service-api in my maven > pom > > and have used the property description that is the same as ExecuteSQL for > > the DBCP_SERVICE property. When I load my processor in nifi I don't get a > > list of DBCPConnectionPool controller service like I expect. I have an > > ExecuteSQL processor in the same flow (for testing) and it list the > > controller service I created just fine and uses it just fine. > > > > The problem seems to me (I don't have a development environment to > confirm) > > that the DBCPService.class that I use in my processor is not seen as the > > same class object (because of the isolation features of NAR) as the one > > that DBCPCOnnectionPool implements. I think I have mostly confirmed this > by > > implementing a dummy controller service that implements DBCPService in > the > > same NAR as my processor and my processor is able to list it just fine. > But > > the ExecuteSQL don't list my dummy controller service. So they seem to be > > considered different classes. > > > > I think I'm doing something wrong because ExecuteSQL is not in the same > nar > > as DBCPConnectionPool. So they play nice together somehow but I don't see > > what I need to do so that my nar works the same way. > > > > I'm enjoying developing against nifi and sorry if this is a rookie > mistake. > > > > Devin >
