We can use the latest (e.g. previous) release of the jena-guava shading
instead of SNAPSHOT, it only needs to be put into SNAPSHOT if master
upgrades Guava. (Even then it could be a time stamped SNAPSHOT, which the
release plugin would query to fixate at release time)



On 2 Dec 2016 1:48 pm, "Andy Seaborne" <[email protected]> wrote:

> No need to even build from the command line.
>
> Just don't import the shaded module in Eclipse.  Or for that matter, any
> of the non-java modules like parent, top or top of JDBC etc.
>
> For any dependency that is not a project in Eclipse, Eclipse will do the
> maven thing and download the jars from the snapshot repo (which should be
> setup in your global maven settings).
>
> It is only at the point the RM bumps the version number does this need
> something slightly different - it's nice if the RM kicks off a rebuild on
> the central jenkins server rather than wiat for the overnight dev build.
>
> Or you can "mvn install" like Adam says as well.  "mvn -Pbootstrap" to do
> it the fast way - it does the parent and shaded guava.  Then the fast local
> build of the core modules "mvn "-Pdev" works.
>
>     Andy
>
> On 02/12/16 12:31, A. Soroka wrote:
>
>> This is not a solution, it is a workaround, but I do a full build (at the
>> CLI) before importing. Then I just leave the Jena module project closed in
>> Eclipse. Then Eclipse tries to resolve it for the other projects like any
>> other Maven dependency, which works because I already built it and it is
>> available from my local repo.
>>
>> I agree that the whole thing is a bit odd, at best. At some point Rob had
>> a similar problem and I asked on-list why we shade Guava and it was
>> explained:
>>
>> https://lists.apache.org/thread.html/8fb52fc8f9d4cbdaa17853a
>> 07f8fcc16fcaaf7ef5d5cee07e38b6556@1433424160@%3Cdev.jena.apache.org%3E
>>
>> It is to avoid conflict with a transitive dependency on earlier versions
>> of Guava from Hadoop.
>>
>> https://issues.apache.org/jira/browse/HADOOP-10101
>>
>> looks like it last got a comment in October, when someone suggested that
>> Hadoop start shading _its_ archaic Guava, which (I think) would be both
>> polite and useful. There doesn't seem to be any action on that front, but I
>> am not at all involved with Hadoop.
>>
>> Another alternative was discussed in our thread above: managing and
>> releasing our shaded Guava independently of the main release. I think that
>> as long as we have to deal with the transitive issue, that is still a good
>> idea. But as Andy points out in that thread, it would create more work for
>> a release manager. I'm now a committer (which I was not then) so I can and
>> do heartily volunteer for that work for a shaded Guava subproject!
>>
>> ---
>> A. Soroka
>> The University of Virginia Library
>>
>> On Dec 2, 2016, at 6:15 AM, Claude Warren <[email protected]> wrote:
>>>
>>> I know that Rob commented on something similar about a year ago but I am
>>> wondering if there is a common solution to the following problem:
>>>
>>> I do a gig clone of the Jean repository.
>>> I do an eclipse import existing maven from the root Jena directory.
>>>
>>> Eclipse gets stuck in a null pointer loop during the build. (Maven builds
>>> fine).
>>> jena-arq fails to build and continiously loops.
>>> If I build the shaded guava first and force the eclipse build to point to
>>> the jar it seems to solve the problem.
>>>
>>> Other packages will not compile because they have references to the
>>> shaded
>>> package names but the shaded jar is not on the classpath.
>>>
>>> Seems to me we need a way to make sure the shaded jar appears in the
>>> maven
>>> dependencies so that it will be included in the pom.  However, I think
>>> that
>>> since the shaded guava does not have any source eclipse does not run it
>>> and
>>> so does not build the jar that is needed by the other projects.  I am not
>>> certian this is the case.
>>>
>>> Anybody have a solution to making Jena compile in Eclipse directly after
>>> doing a git clone?
>>>
>>> Thx,
>>> Claude
>>>
>>> --
>>> I like: Like Like - The likeliest place on the web
>>> <http://like-like.xenei.com>
>>> LinkedIn: http://www.linkedin.com/in/claudewarren
>>>
>>
>>

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