If you want to look at a large Maven project that builds several custom NARs from one unified build system, take a look at my data generation bundle here:
https://github.com/MikeThomsen/nifi-datageneration-bundle On Tue, Oct 16, 2018 at 9:53 AM Bryan Bende <bbe...@gmail.com> wrote: > In general, if your processor uses a controller service then the > processors pom file needs a provided dependency on the API of the CS, > and your NAR pom needs a NAR dependency on the NAR where the CS API > is. > > Example is shown here in the section linking processors and controller > services - > https://cwiki.apache.org/confluence/display/NIFI/Maven+Projects+for+Extensions > > Also, you do not want to include NiFI's standard processors in your > own NAR, this will result in two copies of every standard processor. > You will want to copy whatever code you need into your own NAR. > > In you last statement, if you made a new processor in > nifi-standard-processors and it didn't show up, it is most likely > because you didn't update META-INF/services file to include the new > processor. > On Tue, Oct 16, 2018 at 9:36 AM John McGinn > <amruginn-n...@yahoo.com.invalid> wrote: > > > > Ok, I am far from a maven expert, and am struggling on this problem. > > > > I created a new project using the maven generate process, and compiled > that sample processor and everything was fine, and I could see it in my > local NiFi instance. I then copied over the Wait processor on top of the > MyProcessor.java class, changed the package name, and the class name, and > attempted to compile. Got errors due to dependency issues. This is where I > get confused. > > > > In the processor directory, I modify the pom.xml with a dependency line > for nifi-api, nifi-utils, nifi-distribute-cache-client-service-api and > nifi-standard-processors. This seemed to make things work, and I get a 33 > meg NAR file, which contains lots of JARs. I load that up, and I get a > problem with CalculateStats, or similar, because of RecordReaderFactory. I > go back in and include nifi-record-serialization-services, and it compiles, > and the JAR is included in the NAR file now, and I still get class not > found. > > > > I've also tried to change the dependencies to a status of provided, and > therefore get a minimal 25k or so NAR file with no JARs included. I get the > same issue with the class not found. > > > > I had also attempted to copy Wait.java to AnotherWait.java within the > actually NiFi source code, and it compiles, and shows up in the JARs and > NARs as I'd expect, but I cannot get to it within my NiFi instance. > > > > Can someone let me know what I'm doing wrong. > > > > Thanks, > > John McGinn >
