Re: [equinox-dev] ClassCastException in LocalMetadataRepository

[David M Williams <david_williams@xxxxxxxxxx>]

I think "tycho-users" would be a better list,
as the RemoteMetadataRepository is a tycho class: 

 org.eclipse.tycho.p2.remote.RemoteMetadataRepositoryManager

But,  I think if you did ask there,
you'd learn that Tycho does not support the old-style "site.xml"
repositories, which is what the "findbugs" repo is, that you
referenced. p2 by itself (or tools that delegate completely to p2, such
as b3
aggregator) do handle these old-style
sites, by basically "downloading everything" and doing a "conversion
to new-style site" on the fly. 

You would probably also learn, if you
asked on tycho-users, that your options are to a) convince original project
(findbugs) to "move up", or b) make your own p2 repo "on
the side" from the old-style site, and then in your build point to
your new-style site. At least, that's what I learned by doing a web search
for "Tycho and site.xml" and finding 

http://stackoverflow.com/questions/22628911/how-to-use-a-site-xml-base-update-site-in-a-tycho-build

That stackoverflow answer also points to a URL with
an example of one way to accomplish this: 

http://wiki.eclipse.org/Tycho/Additional_Tools#publish-features-and-bundles_goal

Hope that helps, 







From:      
 "Arlo O'Keeffe"
<mailtoarlo@xxxxxxxxx>
To:      
 equinox-dev@xxxxxxxxxxx,

Date:      
 12/26/2014 12:01 PM
Subject:    
   [equinox-dev]
ClassCastException in LocalMetadataRepository
Sent by:    
   equinox-dev-bounces@xxxxxxxxxxx

---

Hello,

I am one of the maintainers of m2e-code-quality [1]. When I add the FindBugs
update site [2] as a p2 repository, the build fails [4]. 

Debugging into the problem I found that the problem is
LocalMetadataRepository:325 [4]. It's actually RemoteMetadataRepositoryManager
not a MetadataRepositoryManager. Therefore resolving the update site fails.

Am I doing something wrong? Or might this be a bug?

Regards,

Arlo

[1] https://github.com/m2e-code-quality/m2e-code-quality
[2] http://findbugs.cs.umd.edu/eclipse
[3] https://travis-ci.org/m2e-code-quality/m2e-code-quality/builds/45160703.
[4] http://git.eclipse.org/c/equinox/rt.equinox.p2.git/tree/bundles/org.eclipse.equinox.p2.metadata.repository/src/org/eclipse/equinox/internal/p2/metadata/repository/LocalMetadataRepository.java#n330_______________________________________________
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