Bryan and Mark, I suspect that will do it. I'll check tomorrow.
Brandon On Mon, Aug 10, 2015, 4:23 PM Bryan Bende <bbe...@gmail.com> wrote: > Not sure if this is helpful, but there is a section about adding > dependencies on controller services at the end of this wiki page: > > > https://cwiki.apache.org/confluence/display/NIFI/Maven+Projects+for+Custom+Processors > > > On Monday, August 10, 2015, Mark Payne <marka...@hotmail.com> wrote: > > > Brandon, > > > > I've seen this occur when I forgot to add a dependency on the > > ssl-context-service-api-nar in my NAR's pom. > > > > You should have something like: > > <dependency> > > <groupId>org.apache.nifi</groupId> > > <artifactId>ssl-context-service-api</artifactId> > > <version>0.3.0-SNAPSHOT</version> > > <type>nar</type> > > </dependency> > > > > Is that by chance the issue, or is there something else going on? > > > > Thanks > > -Mark > > > > ---------------------------------------- > > > From: b...@jhu.edu <javascript:;> > > > Date: Mon, 10 Aug 2015 19:13:50 +0000 > > > Subject: Re: Help required with my custom controller service > > > To: dev@nifi.apache.org <javascript:;> > > > > > > All, > > > > > > Was this ever solved / explained? I'm having a similar issue. If > there's > > > a simple answer that I'm missing that would be great... otherwise I > might > > > post an example set of NARs somewhere tomorrow. Probably the simplest > > > question first is, if I want to create a custom processor that uses a > > > SSLContextService, what dependencies do I need to add where (assuming > > we're > > > using the processor NAR archetype)? I've created an example that > > compiles, > > > loads in NiFi, and can be dropped on the graph. However, it can not be > > > configured to use any currently existing SSLContextService, and any > that > > > are created have the same UUID issue described by David. Thoughts? > > > > > > Brandon > > > > > > > > > > > > On Tue, Jul 28, 2015 at 10:50 AM Mark Payne <marka...@hotmail.com > > <javascript:;>> wrote: > > > > > >> Dave, > > >> > > >> In addition to the points that Aldrin brought up, are your > CacheService > > >> interface > > >> and StandardCacheService classes in the same NAR? > > >> > > >> If they are not in the same NAR, does your NAR for > StandardCacheService > > >> have a Maven dependency > > >> on the NAR that houses CacheService? > > >> > > >> Thanks > > >> -Mark > > >> > > >> ---------------------------------------- > > >>> From: aldrinp...@gmail.com <javascript:;> > > >>> Date: Mon, 27 Jul 2015 23:26:58 -0400 > > >>> Subject: Re: Help required with my custom controller service > > >>> To: dev@nifi.apache.org <javascript:;>; davidrsm...@btinternet.com > > <javascript:;> > > >>> > > >>> Dave, > > >>> > > >>> Some quick notes as I work through your setup. > > >>> > > >>> Did you create an entry in your > > >>> NAR's org.apache.nifi.controller.ControllerService file? This would > be > > in > > >>> src/main/resources/META-INF/services directory of your project. It > > seems > > >>> like this isn't likely the case, but a point that can sometimes get > > >>> overlooked. > > >>> > > >>> Your accessing of the service property in your processor looks good. > > >>> > > >>> Did you accidentally override > > AbstractControllerService#getIdentifier()? > > >>> It seems like this could lead to the error you are seeing, but it is > > hard > > >>> to be sure. > > >>> > > >>> If you are able to share more code with us, we can provide some more > > >>> pointed assistance. Have you managed to get your processor and > > controller > > >>> service running within the test framework [1]? If not, I would > suggest > > >>> doing so to cut down on iterations in debugging your problems as well > > as > > >>> providing a means for you to easily step through the code. > > >>> > > >>> [1] > > >> > http://nifi.apache.org/docs/nifi-docs/html/developer-guide.html#testing > > >>> > > >>> On Sun, Jul 26, 2015 at 4:45 PM, DAVID SMITH < > > davidrsm...@btinternet.com <javascript:;> > > >>> > > >>> wrote: > > >>> > > >>>> Hi > > >>>> I have been trying to write a simple Cache Controller Service that > > uses > > >> a > > >>>> Map to hold <String, String> key/value pairs. I am using > > >>>> nifi-0.1.0-incubating. I have created an Interface called > CacheService > > >>>> which extends ControllerService.public interface CacheService > extends > > >>>> ControllerService { > > >>>> > > >>>> I have created an implementation called StandardCacheService which > is > > as > > >>>> follows: > > >>>> public class StandardCacheService extends AbstractControllerService > > >>>> implements CacheService { > > >>>> I have compiled the StandardCacheService and created a nar which I > > have > > >>>> then put into my NiFi lib directory, my StandardCacheService > > Controller > > >>>> Service appears in the Controller services tab of the NiFi Flow > > Settings > > >>>> panel, I can edit it and enable it. Also there are no abnormal log > > >> messages. > > >>>> However, when I try to configure the CacheService in my test > > Processor, > > >>>> again I get no errors but when I cannot see my StandardCacheService. > > My > > >>>> processor has the following snippets to implement the Cache > > >>>> Service/Controller: > > >>>> public static final PropertyDescriptor CACHE_SERVICE = new > > >>>> PropertyDescriptor.Builder() > > >>>> .name("Cache Service") > > >>>> .description("The Controller Service to use in order to obtain a > > >>>> Cache Service") > > >>>> .required(false) > > >>>> .identifiesControllerService(CacheService.class) > > >>>> .build(); > > >>>> > > >>>> final CacheService cache = > > >>>> > > >> > > > context.getProperty(CACHE_SERVICE).asControllerService(CacheService.class); > > >>>> > > >>>> > > >>>> > > >>>> > > >>>> When configuring the processor, the 'Cache Service' drop down > doesn't > > >> show > > >>>> a populated list showing my StandardCacheService, but it does allow > me > > >> to > > >>>> create a new service, the resulting panel allows me to then select > > >>>> StandardCacheService. When I select 'create' I get a UUID value in > the > > >>>> Value property of the Configure Processor panel. When I then apply > > this > > >>>> the processor shows a yellow triangle, when I hover over it I get > the > > >>>> following message: > > >>>> 'Cache Service validated against <UUID> is invalid because Invalid > > >>>> Controller service <UUID> is not a valid Controller service > Identifier > > >> or > > >>>> does not reference the correct type of Controller service.' > > >>>> Can you help please > > >>>> Many thanksDave > > >>>> > > >>>> > > >> > > > > > > -- > Sent from Gmail Mobile >
