What is a 'component' in this context? This class exists in the maven-artifact-ant-2.0-dep.jar.
[artifact:pom] [ERROR] Nonexistent component: org.apache.maven.usability.diagnostics.ErrorDiagnostics <?xml version="1.0" ?> <project name="MessageClient" default="build" basedir="." xmlns:artifact="urn:maven-artifact-ant"> <echo message="Building MessageClient jar"/> <typedef resource="org/apache/maven/artifact/ant/antlib.xml" uri="urn:maven-artifact-ant"> <classpath> <pathelement location="../../lib/maven-artifact-ant-2.0-dep/maven- artifact-ant-2.0-dep.jar" /> </classpath> </typedef> <artifact:pom id="maven.project" file="pom.xml" />
