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Re: [tycho-user] Problem building bundle 
No, this does not bypass OSGi classpath isolation.

--
Regards,
Igor

On 11-10-11 9:33 AM, Ben Abernathy wrote:

Igor,

Thank you for the reply. I was able to use the Confluence page to fix
my problem. I have a follow up question. After adding dependencies to
the pom and telling the platform configuration to consider them, tycho
and m2e will still respect the OSGi convention where a package or set
of classes will be available to an OSGi plugin only if that plugin
imports the package, right? In other words, adding the dependency does
not short circuit OSGi's class path isolation.

Thanks again,

Ben

On Mon, Oct 10, 2011 at 5:03 PM, Igor Fedorenko<igor@xxxxxxxxxxxxxx>  wrote:

Tycho provides limited support for resolving dependencies from Maven
repositories. Please read [1] for information how to configure this and
also about limitations of this approach.

[1]
https://docs.sonatype.org/display/TYCHO/Dependency+on+pom-first+artifacts

--
Regards,
Igor

On 11-10-10 3:48 PM, Ben Abernathy wrote:


All,

I am pretty new to tycho and maven in general so I would appreciate
some help. I have a bundle called com.myco.archive that imports the
following packages:
org.apache.commons.compress.archivers[1.1.0,2)
org.apache.commons.compress.compressors[1.1.0,2)

This is an actual plug-in and not a fragment. When trying to install
the bundle using "mvn clean install", I get the following exception:

[INFO] Scanning for projects...
[WARNING] No explicit target runtime environment configuration. Build
is platform dependent.
[INFO] Resolving target platform for project MavenProject:
com.myco:com.myco.archive:1.0.0 @
c:\Users\ben.abernathy\src\managed\com.myco.archive\pom.xml
[INFO] Adding repository http://download.eclipse.org/releases/helios/
[INFO] Adding repository http://download.eclipse.org/releases/helios/
[INFO] Cannot complete the request.  Generating details.
[INFO]
{org.osgi.framework.executionenvironment=OSGi/Minimum-1.0,OSGi/Minimum-1.1,
osgi.ws=win32, osgi.arch=x86_64, osgi.os=win32,
org.eclipse.update.install.features=true,
org.osgi.framework.system.packages=}
[INFO] [Software being installed: com.myco.archive 1.0.0, Missing
requirement: com.myco.archive 1.0.0 requires 'package
org.apache.commons.compress.archivers [1.1.0,2.0.0)' but it could not
be found]
[ERROR] Internal error: java.lang.RuntimeException:
org.eclipse.equinox.p2.core.ProvisionException: No solution found
because the problem is unsatisfiable. ->    [Help 1]
org.apache.maven.InternalErrorException: Internal error:
java.lang.RuntimeException:
org.eclipse.equinox.p2.core.ProvisionException: No solution found
because the problem is unsatisfiable.
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:168)
        at org.apache.maven.cli.MavenCli.execute(MavenCli.java:534)
        at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
        at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at
org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
        at
org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
        at
org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
        at
org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
Caused by: java.lang.RuntimeException:
org.eclipse.equinox.p2.core.ProvisionException: No solution found
because the problem is unsatisfiable.
        at
org.sonatype.tycho.p2.impl.resolver.ProjectorResolutionStrategy.resolve(ProjectorResolutionStrategy.java:100)
        at
org.sonatype.tycho.p2.impl.resolver.P2ResolverImpl.resolveProject(P2ResolverImpl.java:360)
        at
org.sonatype.tycho.p2.impl.resolver.P2ResolverImpl.resolveProject(P2ResolverImpl.java:325)
        at
org.sonatype.tycho.p2.facade.P2TargetPlatformResolver.doResolvePlatform(P2TargetPlatformResolver.java:472)
        at
org.sonatype.tycho.p2.facade.P2TargetPlatformResolver.resolvePlatform(P2TargetPlatformResolver.java:151)
        at
org.codehaus.tycho.resolver.DefaultTychoDependencyResolver.resolveProject(DefaultTychoDependencyResolver.java:86)
        at
org.codehaus.tycho.maven.TychoMavenLifecycleParticipant.afterProjectsRead(TychoMavenLifecycleParticipant.java:94)
        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:273)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
        ... 11 more
Caused by: org.eclipse.equinox.p2.core.ProvisionException: No solution
found because the problem is unsatisfiable.
        ... 20 more

Is this occurring because the p2 site I'm pointed at does not contain
the org.apache.commons.compress bundle? If so, what is the best way to
handle this? This bundle is kind of an interesting case because if you
look at the jar, it is both osgi-ized and is available via the maven
repository. Can maven not realize this and grab it from the repo?

Thanks,

Ben
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