There are several issues.
First of all you need to explicitly declare dependency on tools.jar in
your project poms. See Maven FAQ entry about this at
http://maven.apache.org/general.html#tools-jar-dependency
Unfortunately that won't resolve issue with your projects in
m2eclipse. We have to use embedded Maven version [1] and apparently
there is a regression that is affecting class loading from the
tools.jar. I been able to reproduce the same error from the command line
with Maven 2.1-SNAPSHOT used in m2eclipse, as well as with latest Maven
version from trunk.
I'd suggest to open JIRA issue to Maven project and attach your test
projects up there. See http://jira.codehaus.org/browse/MNG
regards,
Eugene
[1]
http://docs.codehaus.org/display/M2ECLIPSE/Project+FAQ#ProjectFAQ-WhatMavenversionisusedbyplugin
Yann wrote:
Hi,
If a Maven plugin uses classes from ${java.home}/lib/tools.jar
for instance : com.sun.mirror.apt.AnnotationProcessorFactory
and if a maven project use this plugin (with phase=generate-sources)
then I get the following error:
13.08.08 19:56:32 CEST: [FATAL ERROR]
org.test.simplePlugin.MyMojo#execute() caused a linkage error
(java.lang.NoClassDefFoundError).
I get this behaviour when I import the project or when I Update
Project Configuration.
And in maven commande line I don't have this issue.
I typically get this error with the maven-jaxb-schemagen-plugin but I
created also a simple test case.
Do you have an idea why this class is not found?
Thanks
Yann.
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