No, I think the issue is in m2eclipse not in maven because I don't have
any problem when I run in commande line.
And moreover I get the error from the m2eclipse console in eclipse.
I think the error could be that m2eclipse use more recent classes (for
instances maven embedder 2.1...) that are not compatible with some
classes of the eclipse plugin.
The fact to use wtpapplicationxml to true means the eclipse:m2eclipse
goal uses the XMLWriter class (in order to generate the application.xml
file) and this could explains why I get the error "loader constraints
violated when linking org/codehaus/plexus/util/xml/XMLWriter class"...
what do you think ?
Igor Fedorenko a écrit :
This mailing list is really about m2eclipse project
(http://m2eclipse.codehaus.org/). Your problem appears to be with
maven-eclipse-plugin and I believe maven user-list is the place to ask
for help/advice with this maven plugin.
Yann wrote:
I tried either with the embedded maven runtime or the external maven
runtime and in both cases I get the same exception.
After doing some tests I found which maven option trigger this error:
<plugin>
<artifactId>maven-eclipse-plugin</artifactId>
<configuration>
<wtpapplicationxml>true</wtpapplicationxml>
<wtpversion>1.5</wtpversion>
</configuration>
</plugin>
If I set wtpapplicationxml to false then I don't have any error...
Should I raise a Jira issue ?
Yann.
Igor Fedorenko a écrit :
You can try using external 2.0.x maven runtime, see [1] for more
details how to configure m2eclipse to use external maven runtimes
[1] http://docs.codehaus.org/display/M2ECLIPSE/Maven+Settings
Yann wrote:
Hi,
I tried to use m2eclipse on an EAR project.
When importing an EAR project as a maven project I get the following
exception:
15.07.08 19:40:07 CEST: [INFO] [eclipse:m2eclipse]
15.07.08 19:40:07 CEST: [INFO] Adding support for WTP version 1.5.
15.07.08 19:40:07 CEST: [INFO] Using source status cache:
C:\soft\dev\eclipse\ganymede\target\mvn-eclipse-cache.properties
15.07.08 19:40:08 CEST: [INFO] Using as WTP server : null
15.07.08 19:40:08 CEST: [FATAL ERROR]
org.apache.maven.plugin.eclipse.M2EclipseMojo#execute() caused a
linkage error (java.lang.LinkageError). Check the realms:
NOTE:
Plugin realm is:
/plugins/org.apache.maven.plugins:maven-eclipse-plugin:[EMAIL PROTECTED]/thread:Worker-39
Container realm is: plexus.core
Realm ID:
/plugins/org.apache.maven.plugins:maven-eclipse-plugin:[EMAIL PROTECTED]/thread:Worker-39
urls[0] =
file:/c:/soft/javalib/maven2/local-repository/org/apache/maven/plugins/maven-eclipse-plugin/2.5.1/maven-eclipse-plugin-2.5.1.jar
urls[1] =
file:/c:/soft/javalib/maven2/local-repository/org/codehaus/plexus/plexus-archiver/1.0-alpha-7/plexus-archiver-1.0-alpha-7.jar
urls[2] =
file:/c:/soft/javalib/maven2/local-repository/org/codehaus/plexus/plexus-utils/1.4.5/plexus-utils-1.4.5.jar
urls[3] =
file:/c:/soft/javalib/maven2/local-repository/junit/junit/3.8.1/junit-3.8.1.jar
urls[4] =
file:/c:/soft/javalib/maven2/local-repository/org/apache/maven/maven-plugin-registry/2.0.8/maven-plugin-registry-2.0.8.jar
urls[5] =
file:/c:/soft/javalib/maven2/local-repository/org/codehaus/plexus/plexus-interactivity-jline/1.0-alpha-5/plexus-interactivity-jline-1.0-alpha-5.jar
urls[6] =
file:/c:/soft/javalib/maven2/local-repository/jline/jline/0.9.1/jline-0.9.1.jar
urls[7] =
file:/c:/soft/javalib/maven2/local-repository/org/apache/maven/maven-archiver/2.2/maven-archiver-2.2.jar
urls[8] =
file:/c:/soft/javalib/maven2/local-repository/org/codehaus/plexus/plexus-resources/1.0-alpha-4/plexus-resources-1.0-alpha-4.jar
urls[9] =
file:/c:/soft/javalib/maven2/local-repository/biz/aQute/bndlib/0.0.145/bndlib-0.0.145.jar
urls[10] =
file:/c:/soft/javalib/maven2/local-repository/org/apache/maven/shared/maven-osgi/0.2.0/maven-osgi-0.2.0.jar
urls[11] =
file:/c:/soft/javalib/maven2/local-repository/org/eclipse/core/resources/3.3.0-v20070604/resources-3.3.0-v20070604.jar
Realm ID: plexus.core
loader constraints violated when linking
org/codehaus/plexus/util/xml/XMLWriter class
The side effect of this exception is once the error happens all
others projects importing in the same time fail.
Do you have an idea on how to avoid this exception ?
Thanks
Yann.
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