eclipse中xsd的验证问题cvc-complex-type error with xsd

基于spring开发了个自定义标签，功能测试正常，在myeclipse中提示编译错误:

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 'fw:annotation-handler'.
- schema_reference.4: Failed to read schema document 'http://www.300.cn/schema/annotation-handler.xsd', because 1) could not find the
document; 2) the document could not be read; 3) the root element of the document is not .
这个问题在以前改动struts配置文件的时候也出现过。在引入一些第三方jar容易出现这个问题。
虽然不影响使用，但是看着挺讨厌的，找了一下解决方法。
菜单-->windows-->prefreneces 找到XML Catalog,在User Specified Entries添加xsd文件