Re: [recommenders-dev] Need help to collect completion proposals made by

[Michael Kutschke <kutschke.michael@xxxxxxxxxxxxxx>]

Hi Andreas,

reading Muhammads message made me look at our git repos. It seems that 
the examples repo is empty, where has it moved?

Regards,
Michael

Am 16.01.2014 17:00, schrieb Andreas Sewe:
> Hi Muhammad,
>
> > Good day. I have tried to use the new Code Recommenders code base
> > (2.0). I follow the steps described here:
> > http://git.eclipse.org/c/recommenders/org.eclipse.recommenders.git/about/
> >
> > After that I  include the org.eclipse.recommenders.examples to the
> > build path. But there are some errors in the
> > EclipseOrgCallRecommenderMain.java file (only in this file).
> yes, I am afraid the examples haven't been looked at in a while. if you
> want to see them updated, please file an enhancement request in Bugzilla
> [1].
>
> > I ignore
> > the error and run SingleZipCallRecommenderMain.java file. But it gives
> > me the following error:
> >
> > //+++++++++++++++++++++++++++++++++++++++++
> > SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
> >
> > SLF4J: Defaulting to no-operation (NOP) logger implementation
> >
> > SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for
> > further details.
> >
> > Exception in thread "main" java.lang.NoSuchMethodError:
> > com.google.common.cache.CacheBuilder.maximumSize(J)Lcom/google/common/cache/CacheBuilder;
> >
> > at org.eclipse.recommenders.calls.SingleZipCallModelProvider.<init>(SingleZipCallModelProvider.java:51)
> >
> > at org.eclipse.recommenders.examples.calls.SingleZipCallRecommender.<init>(SingleZipCallRecommender.java:34)
> >
> > at org.eclipse.recommenders.examples.calls.SingleZipCallRecommenderMain.main(SingleZipCallRecommenderMain.java:18)
> >
> > +++++++++++++++++++++++++++++++++++++++++++++++++++++++
> > Previously, there was no error after I included
> > org.eclipse.recommenders.examples to the build path and also the files
> > (like SingleZipCallRecommenderMain.java) run without any error (for
> > the previous code base).
> >
> >   This is the entry point for me to collect code completion result. I
> > have tried multiple times but nothing changed. Could you please let me
> > know how to fix the problem.
> The Problem is that OSGi, which Code Recommenders is based on by virtue
> of being an Eclipse plugin, has a more complex classpath model. Thus,
> the examples can depend on Google Guava, version *14.0* even though some
> older classes (10.0) are used by one of its libraries (the m2e Maven
> runtime). Apparently, Eclipse puts the older version of Guava first on
> the flat classpath a plain old "Java Application" uses.
>
> The only workaround I have found (its quite ugly) is to manually add an
> "External JAR" to your "Java Application's" Run Configuration:
> $WORKSPACE/.metadata/.plugins/org.eclipse.pde.core/.bundle_pool/plugins/com.google.guava_14.0.1.v20130703-1129.jar
>
> That JAR has to go before the "org.eclipse.recommenders.calls" entry.
> Then Eclipse picks up the right version of Guava.
>
> A proper solution would be to write a real OSGi application (see
> org.eclipse.equinox.app.IApplication) rather than using the good old
> "main" as entry point.
>
> If you really want to go the public-static-void-main route, try running
>
>    mvn dependency:build-classpath
>
> below the org.eclipse.recommenders.calls project to get the flat
> classpath of that project (and hope that you don't have to reorder it).
>
> Hope that helps.
>
> Andreas
>
> [1] <https://bugs.eclipse.org/bugs/enter_bug.cgi?product=Recommenders>