http://blog.csdn.net/smst1987/article/details/6871495

问题：maven-dependency-plugin (goals "copy-dependencies","unpack") is not supported by m2e

解决方法：

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          org.eclipse.m2e
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          lifecycle-mapping
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          1.0.0
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               org.apache.maven.plugins
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               maven-dependency-plugin
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               [2.0,)
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                copy-dependencies
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         org.apache.maven.plugins
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         maven-dependency-plugin
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          36                         
          
           copy-dependencies
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           package
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            copy-dependencies
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            ${project.build.directory}/lib
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            false
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            true
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