Maven embedder importance

[Nitko2 <ni...@gmail.com>]

Hi, I asked a question about embedder few days ago, but I didn't get any answer, so I suppose it is 
a bug.

Anyway, I think it is very important to get maven embedder working. Everyone will benefit form it.

Maven developers will have more time because there will be less questions on mailing list. For 
instance, i wouldn't ask about resource pom inheritance if I was able to debug it in eclipse.

Maven users will learn faster and will be able to determine if something is a bug or they made a 
mistake. And when they find a bug they will be able to report it(or patch it) more accurately.

If I had embedder working I would save at least 10 days in configuring my build process.


Filip




-------- Original Message --------
Subject: running maven in eclipse using embedder
Date: Thu, 15 Dec 2005 13:16:28 +0100
From: Nitko2 <ni...@gmail.com>
To: Maven Users List <us...@maven.apache.org>

Hi,
I managed to start maven inside eclipse using maven embedder, but I can't force embedder to use
plugins which are also imported in eclipse. If I add eclipse project containing maven plugin in
classpath I get an error:


org.apache.maven.lifecycle.LifecycleExecutionException: Internal error in the plugin manager
executing goal 'org.apache.maven.plugins:maven-assembly-plugin:2.0:assembly': Unable to find the
mojo 'org.apache.maven.plugins:maven-assembly-plugin:2.0:assembly' in the plugin
'org.apache.maven.plugins:maven-assembly-plugin'

org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:534)
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:472)
....
....
Caused by: org.codehaus.plexus.component.composition.CompositionException: Composition failed for
the field archiverManager in object of type org.apache.maven.plugin.assembly.AssemblyMojo at
org.codehaus.plexus.component.composition.FieldComponentComposer.assignRequirementToField(FieldComponentComposer.java:144)at 

org.codehaus.plexus.component.composition.FieldComponentComposer.assembleComponent(FieldComponentComposer.java:73)at 

org.codehaus.plexus.component.composition.DefaultComponentComposerManager.assembleComponent(DefaultComponentComposerManager.java:68)
org.codehaus.plexus.DefaultPlexusContainer.composeComponent(DefaultPlexusContainer.java:1486)
org.codehaus.plexus.personality.plexus.lifecycle.phase.CompositionPhase.execute(CompositionPhase.java:29)
	... 18 more
....
....
Caused by: java.lang.IllegalArgumentException
	at sun.reflect.UnsafeObjectFieldAccessorImpl.set(Unknown Source)
	at java.lang.reflect.Field.set(Unknown Source)
	at
org.codehaus.plexus.component.composition.FieldComponentComposer.assignRequirementToField(FieldComponentComposer.java:137)
	... 22 more


Can someone help me with this?


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