[jira] [Resolved] (NIFI-222) Versions of extensions should have no impact on ability to pull in artifacts

["Joseph Witt (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/NIFI-222?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joseph Witt resolved NIFI-222.
------------------------------
    Resolution: Fixed

believe this is now sorted.  the whole build still appears to work and now the root issue is solved.  Can't be sure we didn't kick the can down the road just yet.  But pretty sure the maven-release-plugin will take care of updating these versions anyway.

> Versions of extensions should have no impact on ability to pull in artifacts
> ----------------------------------------------------------------------------
>
>                 Key: NIFI-222
>                 URL: https://issues.apache.org/jira/browse/NIFI-222
>             Project: Apache NiFi
>          Issue Type: Bug
>          Components: Tools and Build
>            Reporter: Bryan Bende
>            Assignee: Joseph Witt
>              Labels: build, maven
>         Attachments: donothing-bundle.tar.gz
>
>
> Hi all,
> I'm trying to setup a Maven project for a custom nar and from looking at
> the other nars I created something like the following:
> 1) parent project with a pom that has two modules
> 2) a jar project where the main code lives, the pom for this project has a
> parent of the pom referenced in #1
> 3) a nar project that has a dependency on #2 and a parent of:
>  <parent>
>         <groupId>org.apache.nifi</groupId>
>         <artifactId>nar-bundle-parent</artifactId>
>         <version>0.0.1-SNAPSHOT</version>
>     </parent>
> Now all three of my poms had a version of 0.1-SNAPSHOT by default, so my
> nar project had something like this:
> <artifactId>example-nar</artifactId>
> <version>0.1-SNAPSHOT</version>
> <packaging>nar</packaging>
> When I ran mvn clean install from the root, the jar built fine, and when it
> hit the nar project it failed with this:
> The following artifacts could not be resolved:
> org.apache.nifi:nifi-api:jar:0.1-SNAPSHOT,
> org.apache.nifi:nifi-processor-utils:jar:0.1-SNAPSHOT
> For some reason it used the version of my nar to look for the Nifi
> artifacts, even though the dependencies I had declared in the jar project
> were:
> <dependency>
>             <groupId>org.apache.nifi</groupId>
>             <artifactId>nifi-api</artifactId>
>             <version>0.0.1-SNAPSHOT</version>
>             <scope>compile</scope>
>         </dependency>
>         <dependency>
>             <groupId>org.apache.nifi</groupId>
>             <artifactId>nifi-processor-utils</artifactId>
>             <version>0.0.1-SNAPSHOT</version>
>             <scope>compile</scope>
>         </dependency>
> Then I changed the version in my nar pom from 0.1-SNAPSHOT to
> 0.0.1-SNAPSHOT and the build works fine and I'm able to deploy the nar no
> problem.
> Is this the expected behavior, or did I set these projects up wrong?
> Thanks,
> Bryan
> ++++++
> As found here in maven docs:
> http://maven.apache.org/guides/introduction/introduction-to-the-pom.html#Project_Aggregation
> The following quote is key:
> "One factor to note is that these variables are processed after inheritance as outlined above. This means that if a parent project uses a variable, then its definition in the child, not the parent, will be the one eventually used."



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