The validator XML Schema Validator is a delegating validator but no delegate can found for it 解决
莫名其妙出了个这错误
把 web.xml 中换成
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<web-app version= "2.4 "
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xmlns= "http://JAVA.sun.com/xml/ns/j2ee "
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xmlns:xsi= "http://www.w3.org/2001/xmlSchema-instance "
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xsi:schemaLocation= "http://JAVA.sun.com/xml/ns/j2ee http://JAVA.sun.com/xml/ns/j2ee/web-app_2_4.xsd ">
5![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
听说是个bug