dubbo的xsd文件The matching wildcard is strict, but no declaration can be found for element

dubbo配置xml文件报错

“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>.”

 直接操作  windows--->preference--->xml--->xml catelog   --->user specified  entries  -->add

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