Duplicate entry 'xxx' for key 'xxx'
插入数据的时候 报错，Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry 'xxx-xxx-xxx-xxx-xxx' for key 'AA ...
原文：Build path contains duplicate entry:'src' for project 'XXX'
导入别人的工程提示： Build path contains duplicate entry: src for project XXX 原因：该工程使用的SDK版本和我们当前使用的版本不同 解决方法：找到该工程的project.properties文件， 修改target android 修改后面的数字 ...
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