[
http://jira.codehaus.org/browse/MGWT-271?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=259443#action_259443
]
Geoffrey De Smet edited comment on MGWT-271 at 3/9/11 3:22 AM:
---------------------------------------------------------------
There is something really odd. The error says:
{code}
... A required class is missing: org/codehaus/plexus/util/xml/XmlStreamReader
[ERROR] urls[0] =
file:/home/gdesmet/.m2/repository/org/codehaus/mojo/gwt-maven-plugin/2.2.0/gwt-maven-plugin-2.2.0.jar
[ERROR] urls[1] =
file:/home/gdesmet/.m2/repository/org/codehaus/plexus/plexus-utils/1.1/plexus-utils-1.1.jar
{code}
So it using org.codehaus.plexus:plexus-utils:1.1 for the gwt-maven-plugin.
But
http://repo1.maven.org/maven2/org/codehaus/mojo/gwt-maven-plugin/2.2.0/gwt-maven-plugin-2.2.0.pom
clearly states that it should use org.codehaus.plexus:plexus-utils:2.0.5
However, my local repository pom and the one on the jboss repo
http://repository.jboss.org/nexus/content/groups/public/org/codehaus/mojo/gwt-maven-plugin/2.2.0/gwt-maven-plugin-2.2.0.pom
contains:
{code}
<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
http://maven.apache.org/xsd/maven-4.0.0.xsd";>
<modelVersion>4.0.0</modelVersion>
<groupId>org.codehaus.mojo</groupId>
<artifactId>gwt-maven-plugin</artifactId>
<version>2.2.0</version>
<packaging>maven-plugin</packaging>
<description>POM was created by Sonatype Nexus</description>
</project>
{code}
So that's my problem. You had the correct one installed in your local repo, so
it never downloaded the wrong one from the jboss nexus instance. Not sure why
Nexus decided to generate the GWT mojo plugin pom instead of download it or
failing-fast as it should.
was (Author: ge0ffrey):
There is something really odd. The error says:
{code}
... A required class is missing: org/codehaus/plexus/util/xml/XmlStreamReader
[ERROR] urls[0] =
file:/home/gdesmet/.m2/repository/org/codehaus/mojo/gwt-maven-plugin/2.2.0/gwt-maven-plugin-2.2.0.jar
[ERROR] urls[1] =
file:/home/gdesmet/.m2/repository/org/codehaus/plexus/plexus-utils/1.1/plexus-utils-1.1.jar
{code}
So it using org.codehaus.plexus:plexus-utils:1.1 for the gwt-maven-plugin.
But
http://repo1.maven.org/maven2/org/codehaus/mojo/gwt-maven-plugin/2.2.0/gwt-maven-plugin-2.2.0.pom
clearly states that it should use org.codehaus.plexus:plexus-utils:2.0.5
However, my local repository pom and the one on the jboss repo
http://repository.jboss.org/nexus/content/groups/public/org/codehaus/mojo/gwt-maven-plugin/2.2.0/gwt-maven-plugin-2.2.0.pom
contains:
{code}
<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
http://maven.apache.org/xsd/maven-4.0.0.xsd";>
<modelVersion>4.0.0</modelVersion>
<groupId>org.codehaus.mojo</groupId>
<artifactId>gwt-maven-plugin</artifactId>
<version>2.2.0</version>
<packaging>maven-plugin</packaging>
<description>POM was created by Sonatype Nexus</description>
</project>
{code}
So that's my problem. You had the correct one installed in your local repo, so
it never downloaded the wrong one from the jboss nexus instance. Not sure why
Nexus decided to generate the GWT mojo plugin pom instead of failing-fast as it
should.
> Compilatin mojo fails with "A required class is missing:
> org/codehaus/plexus/util/xml/XmlStreamReader" [Regression in 2.2.0]
> ----------------------------------------------------------------------------------------------------------------------------
>
> Key: MGWT-271
> URL: http://jira.codehaus.org/browse/MGWT-271
> Project: Maven 2.x GWT Plugin
> Issue Type: Bug
> Affects Versions: 2.2.0
> Reporter: Geoffrey De Smet
> Fix For: 2.2.0
>
>
> Just upgraded guvnor locally to gwt 2.2.0 and gwt-maven-plugin 2.2.0 and I
> get this error:
> A required class is missing: org/codehaus/plexus/util/xml/XmlStreamReader
> Since 2.2.0 is just been released, I suspect the 2.2.0 release might be
> broken?
> to reproduce:
> git clone [email protected]:droolsjbpm/droolsjbpm-build-bootstrap.git
> droolsjbpm-build-bootstrap
> cd droolsjbpm-build-bootstrap
> gedit pom.xml // adjust gwt.version
> mvn clean install
> cd ..
> git clone [email protected]:droolsjbpm/guvnor.git guvnor
> cd guvnor
> gedit pom.xml // adjust gwt-maven-plugin version
> mvn clean install -DskipTests
> and you get:
> [INFO] Guvnor web application ............................ FAILURE [4.641s]
> [INFO]
> ------------------------------------------------------------------------
> [INFO] BUILD FAILURE
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Total time: 14.647s
> [INFO] Finished at: Wed Mar 02 14:42:24 CET 2011
> [INFO] Final Memory: 12M/297M
> [INFO]
> ------------------------------------------------------------------------
> [ERROR] Failed to execute goal
> org.codehaus.mojo:gwt-maven-plugin:2.2.0:compile (default) on project
> guvnor-webapp: Execution default of goal
> org.codehaus.mojo:gwt-maven-plugin:2.2.0:compile failed: Unable to load the
> mojo 'compile' in the plugin 'org.codehaus.mojo:gwt-maven-plugin:2.2.0'. A
> required class is missing: org/codehaus/plexus/util/xml/XmlStreamReader
> [ERROR] -----------------------------------------------------
> [ERROR] realm = plugin>org.codehaus.mojo:gwt-maven-plugin:2.2.0
> [ERROR] strategy = org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy
> [ERROR] urls[0] =
> file:/home/gdesmet/.m2/repository/org/codehaus/mojo/gwt-maven-plugin/2.2.0/gwt-maven-plugin-2.2.0.jar
> [ERROR] urls[1] =
> file:/home/gdesmet/.m2/repository/com/google/gwt/gwt-servlet/2.2.0/gwt-servlet-2.2.0.jar
> [ERROR] urls[2] =
> file:/home/gdesmet/.m2/repository/com/google/gwt/gwt-user/2.2.0/gwt-user-2.2.0.jar
> [ERROR] urls[3] =
> file:/home/gdesmet/.m2/repository/com/google/gwt/gwt-dev/2.2.0/gwt-dev-2.2.0.jar
> [ERROR] urls[4] =
> file:/home/gdesmet/.m2/repository/org/codehaus/plexus/plexus-utils/1.1/plexus-utils-1.1.jar
> [ERROR] Number of foreign imports: 1
> [ERROR] import: Entry[import from realm
> ClassRealm[project>org.droolsjbpm:guvnor:5.2.0-SNAPSHOT, parent:
> ClassRealm[maven.api, parent: null]]]
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