错误:“schemaLocation 值 *** 必须具有偶数个 URI."关于 spring 调度程序中的命名空间

问题描述

我收到以下错误

<Ignored XML validation warning> org.xml.sax.SAXParseException; lineNumber: 9; columnNumber: 55;
SchemaLocation: schemaLocation value = 'http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
http://www.springframework.org/schema/tx' must have even number of URI's.

并且我的调度程序 servlet 具有以下命名空间

and my dispatcher servlet was having following namespaces

<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:p="http://www.springframework.org/schema/p"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
       http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
       http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd">  

我用以下内容替换了以上所有内容

and i replaced all above by following

<beans xmlns="http://www.springframework.org/schema/beans"
              xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
              xsi:schemaLocation="http://www.springframework.org/schema/beans
              http://www.springframework.org/schema/beans/spring-beans-2.5.xsd">  

我的错误消失了.
有没有人能说一下是怎么回事??

And my error got disappeared.
How it happened can any one tell??

推荐答案

schemaLocation 属性引用命名空间的 XML 架构文档.

The schemaLocation attribute references an XML Schema document for a namespace.

基本上在您输入时:

xmlns:expns="http://www.example.com"
xsi:schemaLocation="http://www.example.com
                    http://www.example.com/schema/example.xsd"

你是说:"我将使用前缀 expns 作为命名空间的元素 http://www.example.com.此外，为了验证这些元素，获取的 XSD 架构文件 http://www.example.com in http://www.example.com/schema/example.xsd"

You are saying: "I'm going to use the prefix expns for the elements of the namespace http://www.example.com. Also, so you can validate those elements, get the XSD Schema file for http://www.example.com in http://www.example.com/schema/example.xsd"

所以，换句话说，格式是:

So, in other words, the format is:

xsi:schemaLocation="namespace-a   where_to_get_the_xsd_for_namespace-a
                    namespace-b   where_to_get_the_xsd_for_namespace-b
                    namespace-c   where_to_get_the_xsd_for_namespace-c"

等等.

这就是为什么它必须是一个偶数.

That's why it must me an even number.


可以在此处找到更多信息和示例.

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