概述
在写springMVC的demo时，产生下面错误
HTTP Status 500 – Internal Server Error
Type Exception Report
Message Servlet.init() for servlet [springmvc] threw exception
Description The server encountered an unexpected condition that prevented it from fulfilling the request.
Exception
javax.servlet.ServletException: Servlet.init() for servlet [springmvc] threw exception
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:660)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:798)
org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
org.apache.coyote.AbstractProtocol
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ConnectionHandler.process(AbstractProtocol.java:806) org.apache.tomcat.util.net.NioEndpoint
ConnectionHandler.process(AbstractProtocol.java:806)org.apache.tomcat.util.net.NioEndpointSocketProcessor.doRun(NioEndpoint.java:1498)
org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
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Worker.run(ThreadPoolExecutor.java:617) org.apache.tomcat.util.threads.TaskThread
Worker.run(ThreadPoolExecutor.java:617)org.apache.tomcat.util.threads.TaskThreadWrappingRunnable.run(TaskThread.java:61)
java.lang.Thread.run(Thread.java:745)
Root Cause
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’ available
org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:378)
org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:110)
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1665)
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1417)
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:592)
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515)
org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean
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0(AbstractBeanFactory.java:320) org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:849) org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:877) org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:549) org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:701) org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:667) org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:715) org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:590) org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:529) org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:169) javax.servlet.GenericServlet.init(GenericServlet.java:158) org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:660) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343) org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:798) org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) org.apache.coyote.AbstractProtocol
0(AbstractBeanFactory.java:320)org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318)org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199)org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:849)org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:877)org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:549)org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:701)org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:667)org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:715)org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:590)org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:529)org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:169)javax.servlet.GenericServlet.init(GenericServlet.java:158)org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493)org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:660)org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:798)org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)org.apache.coyote.AbstractProtocolConnectionHandler.process(AbstractProtocol.java:806)
org.apache.tomcat.util.net.NioEndpoint
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SocketProcessor.doRun(NioEndpoint.java:1498) org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) java.util.concurrent.ThreadPoolExecutor
SocketProcessor.doRun(NioEndpoint.java:1498)org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)java.util.concurrent.ThreadPoolExecutorWorker.run(ThreadPoolExecutor.java:617)
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
java.lang.Thread.run(Thread.java:745)
Root Cause
org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named ‘cacheManager’ available
org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanDefinition(DefaultListableBeanFactory.java:775)
org.springframework.beans.factory.support.AbstractBeanFactory.getMergedLocalBeanDefinition(AbstractBeanFactory.java:1221)
org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:294)
org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199)
org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:367)
org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:110)
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1665)
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1417)
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:592)
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515)
org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean
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0(AbstractBeanFactory.java:320) org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:849) org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:877) org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:549) org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:701) org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:667) org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:715) org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:590) org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:529) org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:169) javax.servlet.GenericServlet.init(GenericServlet.java:158) org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:660) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343) org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:798) org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) org.apache.coyote.AbstractProtocol
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o
r
SocketProcessor.doRun(NioEndpoint.java:1498) org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) java.util.concurrent.ThreadPoolExecutor
SocketProcessor.doRun(NioEndpoint.java:1498)org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)java.util.concurrent.ThreadPoolExecutorWorker.run(ThreadPoolExecutor.java:617)
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
java.lang.Thread.run(Thread.java:745)
Note The full stack trace of the root cause is available in the server logs.
错误原因
xml命名空间和xsd约束问题
修改
xml文件头中idea推荐使用如下xml头
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/cache"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/cache
http://www.springframework.org/schema/cache/spring-cache.xsd">
<!--注解方式-->
<mvc:annotation-driven />
<context:component-scan base-package="com.modest.handler" />
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<!--<property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/>-->
<!--<property name="prefix" value="/jsp/"/>-->
<!--<property name="suffix" value=".jsp"/>-->
</bean>
</beans>
使用 mvc 属性时，要将cache修改成mvc，否则报如上错误
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/cache/spring-mvc.xsd">
<!--注解方式-->
<mvc:annotation-driven />
<context:component-scan base-package="com.modest.handler" />
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
</bean>
</beans>
最后
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