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https://issues.apache.org/jira/browse/MNG-7479?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17536986#comment-17536986
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ASF GitHub Bot commented on MNG-7479:
-------------------------------------
laeubi commented on PR #740:
URL: https://github.com/apache/maven/pull/740#issuecomment-1126664745
> how do you expect filtering to happen to know which instance of EventSpy
is expected in your Mojo instance?
I don't have a mojo here, just o (project scoped) extension, according to
the code I won't expect *thousands* but one instance per session?
> Perhaps this study about LifecycleParticipant could help you
Not really, just in case I accesses the Session and the Execution request,
but calling:
```
MavenExecutionRequest request = mavenSession.getRequest();
EventSpyDispatcher dispatcher = request.getEventSpyDispatcher();
```
results in ClassNotFoundException:
org.apache.maven.eventspy.internal.EventSpyDispatcher... so no luck here.
> Export the package org.apache.maven.eventspy
> --------------------------------------------
>
> Key: MNG-7479
> URL: https://issues.apache.org/jira/browse/MNG-7479
> Project: Maven
> Issue Type: Improvement
> Components: Core
> Affects Versions: 3.8.5
> Reporter: Christoph Läubrich
> Priority: Major
>
> I'm currently try to fetch a specific EventSpy to inject an event there
> (maven-profiler).
> Sadly in my maven plugin when I try to get it injected:
> @Requirement(role = EventSpy.class, hint = "profiler", optional = true)
> EventSpy eventSpy;
> This results in ClassNotFoundException: org.apache.maven.eventspy.EventSpy
> I noticed that the maven-core do not export the 'org.apache.maven.eventspy'
> package and that is the cause of this, I'd like to suggest to export the
> package as there seem no other standard way to interact/access event spys
> otherwise.
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