Thanks. Above information was very much usefull.

Thanks
Shashi

On Tue, Sep 6, 2016 at 6:16 PM, Matt Gilman <[email protected]> wrote:

> That is correct. Currently, each NAR can only have a single NAR
> dependency. Typically we package the Controller Service APIs together or
> establish a chain. By establishing a chain this is building a transitive
> NAR dependency. Any Controller Service APIs bundled in ancestor NARs will
> be available.
>
> Note, I'm specifically calling out Controller Service APIs as the
> implementations of the Controller Services do not need to be in this NAR
> dependency chain I'm describing. They can be bundled in a separate adjacent
> NARs that share the same Controller Service API NAR dependency.
>
> Thanks
>
> Matt
>
> On Tue, Sep 6, 2016 at 6:27 AM, Shashi Vishwakarma <
> [email protected]> wrote:
>
>> Hi
>>
>> I am developing a two custom processor , one having a dependency on
>> controller service 1  and another having a dependency on controller service
>> 2.
>>
>> In processor nar pom , i tried to include both dependency as below.
>>
>>  <dependency>
>> <groupId>com.abc.nifi</groupId>
>> <artifactId>nifi-custom1-service-api-nar</artifactId>
>> <version>0.3.0-SNAPSHOT</version>
>> <type>nar</type>
>> </dependency>
>>
>> <dependency>
>> <groupId>com.abc.nifi.services</groupId>
>> <artifactId>nifi-custom2-services-nar</artifactId>
>> <version>0.3.0-SNAPSHOT</version>
>> <type>nar</type>
>> </dependency>
>>
>> After compiling , it is giving following error.
>>
>>  Failed to execute goal org.apache.nifi:nifi-nar-maven-plugin:1.1.0:nar
>> (default-nar) on project nifi-custom-nar: Error assembling NAR: Each NAR
>> represents a ClassLoader. A NAR dependency allows that NAR's ClassLoader to
>> be used as the parent of this NAR's ClassLoader. As a result, only a single
>> NAR dependency is allowed.
>>
>> Does that means I cant not include two nar dependency? Is there any
>> way/workaround for this?
>>
>> Thanks
>> Shashi
>>
>
>

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