spring IOC 启动的时候,会报这个错误。
Caused by: org.xml.sax.SAXParseException; systemId: http://www.springframework.org/schema/tx/spring-tx-3.0.xsd; lineNumber: 1; columnNumber: 50; White spaces are required between publicId and systemId.
Reasons: i think the most possible reasons is that you lost the jar. 最有可能得情况是没有在classpath里面添加该jar。
Solution: check if you have the jar and add to your classpath. 检查在工程里面是否有该jar.
Affiliated:spring beans example. spring xmls example.
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
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.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.0.xsd">
另外:对于 xmlns 更像是声明这下关键字的(context,aop)的使用空间。xsi:schemalocation更像是相应的文件的路径。