Eclipse import maven项目时候，经常会遇到如下问题：
如果有对应插件，安装可以解决以上问题，但有时候是没有对应插件。
可以参考https://stackoverflow.com/questions/6352208/how-to-solve-plugin-execution-not-covered-by-lifecycle-configuration-for-sprin进行处理。
我用的主要是
In Eclipse Luna 4.4.0, you can chose to ignore this error in preferences
Window > Preferences > Maven > Errors/Warnings > Plugin execution not covered by lifecycle configuration. Select Ignore / Warning / Error as you wish.
Also, in the quick fix (Ctrl + 1) for this error, it gives an option to mark goal as ignored in Eclipse build in Eclipse preferences (experimental)
