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From "Arnaud Heritier (JIRA)" <j...@codehaus.org>
Subject [jira] Closed: (MAVEN-1576) expecects ForeheadClassLoader, finds sun.misc.Launcher$AppClassLoader
Date Thu, 03 Aug 2006 12:34:01 GMT
     [ http://jira.codehaus.org/browse/MAVEN-1576?page=all ]

Arnaud Heritier closed MAVEN-1576.
----------------------------------

    Resolution: Won't Fix

Not enough important to fix it.

> expecects ForeheadClassLoader, finds sun.misc.Launcher$AppClassLoader
> ---------------------------------------------------------------------
>
>                 Key: MAVEN-1576
>                 URL: http://jira.codehaus.org/browse/MAVEN-1576
>             Project: Maven
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 1.0.2
>         Environment: Linux
>            Reporter: Willie Milnor
>
> I am trying to get around using com.werken.forehead.Forehead to run Maven, and instead
use my own class that extends org.apache.maven.cli.App.  However, I get the following error
no matter what I try:
> java.lang.ClassCastException: sun.misc.Launcher$AppClassLoader
>         at org.apache.maven.plugin.PluginManager.processDependencies(PluginManager.java:437)
>         at org.apache.maven.plugin.PluginManager.attainGoals(PluginManager.java:642)
>         at org.apache.maven.MavenSession.attainGoals(MavenSession.java:263)
>         at MyApp.myDoMain(MyApp.java:80)
>         at MyApp.main(MyApp.java:575)
> I know that this is caused by the following line:
> ForeheadClassLoader projectClassLoader = (ForeheadClassLoader)project.getContext().getClassLoader();
> I assume that when com.werken.forehead.Forehead is called, it somehow sets the class
loader (for the context) to an instance of ForeheadClassLoader; but by calling my class directly,
the context uses an instance of sun.misc.Launcher$AppClassLoader.
> I am able to run my own class calling com.werken.forehead.Forehead first (I edited the
forehead.conf file), and it works as it should.  I tried setting the class loader for the
context using a ForeheadClassLoader, but that loader is changed somewhere along the way to
processing the dependencies.
> Is there a way around this problem?  I am using maven 1.0.2...is there a newer beta version
of maven that expects simply a ClassLoader rather than a ForeheadClassLoader?

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