It seems that jCoverage uses log4j and that causes the collision. Try launching jCoverage in separate JVM (fork="true")
-- Alexei Barantsev, ISP RAS E-mail: [EMAIL PROTECTED] ICQ : 3959207 > -----Original Message----- > From: Mark Langley [mailto:[EMAIL PROTECTED] > Sent: Tuesday, June 24, 2003 10:55 PM > To: Maven Developers List > Subject: Classloader problems when writing plugin > > > Two questions: > > #1: I've written a plugin to integrate jCoverage > (http://www.jcoverage.com) with Maven. The plugin itself > works fine, but I get a class loader conflict later on in the run: > > xdoc:generate-from-pom: > [echo] Generating xdocs from POM ... > > BUILD FAILED > null:58:30: <attainGoal> null:25:30: <attainGoal> > null:363:9: <velocity:merge> Class org/apache/log4j/Layout > violates loader constraints Total time: 1 minutes 48 seconds > > If I disable jCoverage the build executes flawlessly. > > I've confirmed that I'm using the correct (root) > classloader in the plugin's project.xml (see below). Is > there anything else I should consider in troubleshooting this? > > #2: Once this is working, is it best donated back to > maven.apache.org or to the maven-plugins.sourceforge.net > group? I vaguely remember some discussion on the list about > keeping GPL dependencies out of the Jakarta codebase...? > > Thanks for any assistance. > > Mark Langley > > > > (Plugin's project.xml dependencies follow...) > > <dependencies> > <dependency> > <id>jcoverage</id> > <version>1.0.4</version> > <properties> > <classloader>root</classloader> > </properties> > </dependency> > <dependency> > <id>log4j</id> > <version>1.2.7</version> > <properties> > <classloader>root</classloader> > </properties> > </dependency> > <dependency> > <id>bcel</id> > <version>5.0</version> > <properties> > <classloader>root</classloader> > </properties> > </dependency> > <dependency> > <id>oro</id> > <version>2.0.7</version> > <properties> > <classloader>root</classloader> > </properties> > </dependency> > <dependency> > <id>java-getopt</id> > <version>1.0.9</version> > <properties> > <classloader>root</classloader> > </properties> > </dependency> > </dependencies> > > > ------------------------------------------------------------ > --------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
