org.xml.sax.SAXParseException:no declaration can be found for element 'context:component-scan'

Caused by:  org.xml.sax.SAXParseException: cvc-complex-type.2.4.c: The matching  wildcard is strict, but no declaration can be found for element  'context:component-scan'

可能

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
 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" xmlns:context="http://www.springframework.org/schema/context"
 xmlns:p="http://www.springframework.org/schema/p"
 xsi:schemaLocation=" 
          http://www.springframework.org/schema/beans
          http://www.springframework.org/schema/beans/spring-beans-3.0.xsd 
          http://www.springframework.org/schema/tx
          http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
          http://www.springframework.org/schema/context
          http://www.springframework.org/schema/context/spring-context-3.0.xsd
          http://www.springframework.org/schema/aop
          http://www.springframework.org/schema/aop/spring-aop-3.0.xsd"
 default-autowire="byName">

 

少引用了红色部分