解决:dubbo找不到dubbo.xsd报错

构建dubbo项目的时候会遇到:

Multiple annotations found at this line:

- cvc-complex-type.2.4.c: The matching wildcard is strict, but no declaration can be found for element 'dubbo:application'.
- schema_reference.4: Failed to read schema document 'http://code.alibabatech.com/schema/dubbo/dubbo.xsd', because 1) could not find the document; 2) the document could not be read; 3) the root element 

of the document is not <xsd:schema>.

http://blog.csdn.net/gjldwz/article/details/50555922