使用Idea构建springmvc框架,出现no bean named 'cacheManager' is defined 错误
使用Idea构建springmvc框架,出现no bean named ‘cacheManager’ is defined 错误。
不可否认IDEA确实是最好的java开发软件,各种提示智能的有点非人类,集成的git也很强大,git命令几乎都不需要敲啦,界面也比较美观。。。:
但也是由于提示太多啦也导致一堆的问题:
下面是我构建springmvc的步骤:其中就是由于一个不注意,产生一大波错误困扰我好久好久……
首先创建一个maven项目,在pom文件中添加依赖的jar包
4.0.0 me.seaOf spring-mvc war 1.0-SNAPSHOT spring-mvc Maven Webapp http://maven.apache.org <!--Junit4测试包-->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
<!--spring-ioc&di start-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>3.2.3.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>3.2.3.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>3.2.3.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
<version>3.2.3.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-expression</artifactId>
<version>3.2.3.RELEASE</version>
</dependency>
<!--spring-ioc&di end-->
<!--spring AOP start-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aop</artifactId>
<version>3.2.3.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aspects</artifactId>
<version>3.2.3.RELEASE</version>
</dependency>
<dependency>
<groupId>aopalliance</groupId>
<artifactId>aopalliance</artifactId>
<version>1.0</version>
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjrt</artifactId>
<version>1.7.4</version>
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>1.7.4</version>
</dependency>
<!--spring AOP end-->
<!--sping jdbc整合 start-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>3.2.3.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>3.2.3.RELEASE</version>
</dependency>
<!-- spring 事务控制 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>3.2.3.RELEASE</version>
</dependency>
<!--sping jdbc整合 end-->
<!--spring -mvc start-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>3.2.3.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>3.2.3.RELEASE</version>
</dependency>
<!--spring -mvc end-->
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.0.1</version>
</dependency>
<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
<version>1.0.4</version>
</dependency>
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.2.2</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-validator</artifactId>
<version>4.1.0.Final</version>
</dependency>
<dependency>
<groupId>org.codehaus.jackson</groupId>
<artifactId>jackson-core-asl</artifactId>
<version>1.9.13-atlassian-2</version>
<type>pom</type>
</dependency>
<dependency>
<groupId>org.codehaus.jackson</groupId>
<artifactId>jackson-mapper-asl</artifactId>
<version>1.9.13</version>
</dependency>
<dependency>
<groupId>javax.servlet.jsp.jstl</groupId>
<artifactId>jstl-api</artifactId>
<version>1.2</version>
</dependency>
<dependency>
<groupId>org.glassfish.web</groupId>
<artifactId>jstl-impl</artifactId>
<version>1.2</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.5.8</version>
</dependency>
<dependency>
groupId>javax.inject/groupId>
<artifactId>com.springsource.javax.inject</artifactId>
<version>1.0.0</version>
</dependency>
</dependencies>
<build>
<finalName>spring-mvc</finalName>
</build>
这个是所以的依赖,我这主要是出错啦 为防止意外所以
以相关的包都导入啦。
- 配置springmvc-servlet.xml文件,配置好包扫描,mvc注解,及视图解释配置
由于IDEA的自动补全功能非常强大,当你配置<mvc:annotation-driven/>
后编译器会帮你自动补全上面两个配置文件约束。这个时候如果你没注意的就会爆出一个很莫名奇妙的错:
- 上面主要爆这个错:九月 25, 2017 823 上午 org.apache.catalina.core.ApplicationContext log
信息: Initializing Spring FrameworkServlet ‘springmvc’
九月 25, 2017 823 上午 org.apache.catalina.core.ApplicationContext log
严重: StandardWrapper.Throwable
org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘org.springframework.cache.interceptor.CacheInterceptor#0’: Cannot resolve reference to bean ‘cacheManager’ while setting bean property ‘cacheManager’; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named ‘cacheManager’ is defined
at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:329).getSingleton(DefaultSingletonBeanRegistry.java:223)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:292)。
报错原因是:Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named ‘cacheManager’ is defined
这里主要是因为上面springmvc-servlet.xml配置文件中由于IDEA自动配置啦cache,但配置文件中又没有指定缓存的空间,JVM虚拟机中也有个cacheManage,这就导致spring进行bean管理时扫描到两个cache Manage 导致都不能正常加载,爆错,而你在配置时明明没有使用到缓存,却老是报一个缓存的错误,实在很懵逼。
- 解决办法
正确的配置文件是这个样子的
<?xml version=”1.0” encoding=”UTF-8”?>
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