错误明细：
Errors occurred during the build.
Errors running builder 'Maven Project Builder' on project 'zxwl'.
org/apache/maven/project/MavenProject
An internal error occurred during: "Creating maven-archetype-quickstart".
loader constraint violation: loader (instance of org/eclipse/osgi/internal/baseadaptor/DefaultClassLoader) previously initiated loading for a different type with name "org/apache/maven/project/MavenProject"
An internal error occurred during: "Updating Maven Dependencies".
org/apache/maven/project/MavenProject
An internal error occurred during: "Creating maven-archetype-quickstart".
loader constraint violation: loader (instance of org/eclipse/osgi/internal/baseadaptor/DefaultClassLoader) previously initiated loading for a different type with name "org/apache/maven/project/MavenProject"
原因是因为MyEclipse 2013自带了m2e插件，之后我又自己安装了m2e插件，冲突了，移除自己的插件，就能解决。