spring中xml文件配置报错

Question

xml文件：<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:context="http://www.springframework.org/schema/context "
xsi:schemaLocation="http://www.springframework.org/schema/beans 
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/context 
http://www.springframework.org/schema/context/spring-context-2.5.xsd" >
<context:annotation-config/>..............
</beans>报错行：<context:annotation-config/>
错误提示：cvc-complex-type.2.4.c: The matching wildcard is strict, but no declaration can be found for element 
 'context:annotation-config'.

Answer 1

 xmlns:context="http://www.springframework.org/schema/context "
xxx了 原来这行多个空格，害我不少时间