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https://issues.apache.org/jira/browse/MNG-7662?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17656469#comment-17656469
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ASF GitHub Bot commented on MNG-7662:
-------------------------------------
gnodet commented on PR #948:
URL: https://github.com/apache/maven/pull/948#issuecomment-1376836725
> > > Also, there is an existing workaround which I think I've used
somewhere, but I can't recall where exactly.
> >
> >
> > This seems simlar to my aproach here, jsut that I more liek to fix it in
maven itself than in my beans :-)
> > > I still think this should be done automatically, but not sure I'll
have the time to dig much into sisu/guice...
> >
> >
> > maybe but I must confess that lazy lookup here seems easier ...
> > > It may be preferable to use the workaround which will work on any
maven version imho.
> >
> >
> > I already have some workarounds, bt my goal i to get it fixed instead of
running into the same issues again afterwards.
>
> I think the
[`SessionScoped`](https://github.com/apache/maven/blob/master/maven-core/src/main/java/org/apache/maven/session/scope/internal/SessionScope.java)
class (and execution scope) could be a good candidate to implement transparent
proxying.
See #950 @laeubi
> Allow Graphbuilder to use session scoped components
> ---------------------------------------------------
>
> Key: MNG-7662
> URL: https://issues.apache.org/jira/browse/MNG-7662
> Project: Maven
> Issue Type: Bug
> Reporter: Christoph Läubrich
> Priority: Major
>
> Currently DefaultMaven gets the Graphbuilder injected as a strict requirement
> at a very early stage. This leads to the problem, that a GraphBuilder
> implementation can not use any SessionScoped Components (because the session
> scope is not setup yet).
> The error then is
> {code:java}
> 1) Error in custom provider, com.google.inject.OutOfScopeException: Cannot
> access Key[type=org.apache.maven.execution.MavenSession, annotation=[none]]
> outside of a scoping block
> at
> org.apache.maven.session.scope.internal.SessionScopeModule.configure(SessionScopeModule.java:64)
> (via modules: org.eclipse.sisu.wire.WireModule ->
> org.apache.maven.session.scope.internal.SessionScopeModule)
> while locating org.apache.maven.execution.MavenSession
> for the 1st parameter of
> org.eclipse.tycho.helper.PluginRealmHelper.<init>(Unknown Source)
> at ClassRealm[coreExtension>org.eclipse.tycho:tycho-build:${tycho-version},
> parent: ClassRealm[plexus.core, parent: null]] (via modules:
> org.eclipse.sisu.wire.WireModule ->
> org.eclipse.sisu.plexus.PlexusBindingModule)
> while locating org.eclipse.tycho.helper.PluginRealmHelper
> at ClassRealm[coreExtension>org.eclipse.tycho:tycho-build:${tycho-version},
> parent: ClassRealm[plexus.core, parent: null]] (via modules:
> org.eclipse.sisu.wire.WireModule ->
> org.eclipse.sisu.plexus.PlexusBindingModule)
> while locating org.eclipse.tycho.p2maven.InstallableUnitGenerator
> at ClassRealm[coreExtension>org.eclipse.tycho:tycho-build:${tycho-version},
> parent: ClassRealm[plexus.core, parent: null]] (via modules:
> org.eclipse.sisu.wire.WireModule ->
> org.eclipse.sisu.plexus.PlexusBindingModule)
> while locating org.eclipse.tycho.p2maven.MavenProjectDependencyProcessor
> while locating org.eclipse.tycho.build.TychoGraphBuilder
> {code}
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