***修改eclipse
代码提示级别
1.单个项目修改
项目上右键-->properties-->java
compiler-->building-->enable project specific
setting-->build path problems-->选中abort Incomplete
build path/Circular dependencies
这两个选项修改为Warning
2.整个环境修改
window->preferences->java->compiler->building->build
path problems-->选中abort Incomplete build path/Circular
dependencies
这两个选项修改为Warning
原文链接：http://blog.csdn.net/echineselearning/article/details/7013084