【Java 6】Invocation of init method failed

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背景叙述：

在调试SpringMVC时报错：

Error creating bean with name 'org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping#0': Invocation of init method failed

详情：

Context initialization failed

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping#0': Invocation of init method failed; nested exception is java.lang.IllegalStateException: Ambiguous mapping found. Cannot map 'userController' bean method

public java.lang.String cn.controller.UserController.Save(cn.entity.User,org.springframework.ui.Model)

to {[],methods=[],params=[],headers=[],consumes=[],produces=[],custom=[]}: There is already 'userController' bean method

public java.lang.String cn.controller.UserController.Create(org.springframework.ui.Model) mapped.

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1488)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:524)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:461)

at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:295)

at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:223)

at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:292)

at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)

at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:626)

at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:932)

at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:479)

at org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:651)

at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:599)

at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:665)

at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:518)

at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:459)

at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:136)

at javax.servlet.GenericServlet.init(GenericServlet.java:158)

at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1269)

at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1182)

at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1072)

at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:5368)

at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5660)

at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)

at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:899)

at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:875)

at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652)

at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1260)

at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:2002)

at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)

at java.util.concurrent.FutureTask.run(FutureTask.java:266)

at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)

at java.lang.Thread.run(Thread.java:748)

Caused by: java.lang.IllegalStateException: Ambiguous mapping found. Cannot map 'userController' bean method

public java.lang.String cn.controller.UserController.Save(cn.entity.User,org.springframework.ui.Model)

to {[],methods=[],params=[],headers=[],consumes=[],produces=[],custom=[]}: There is already 'userController' bean method

public java.lang.String cn.controller.UserController.Create(org.springframework.ui.Model) mapped.

at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.registerHandlerMethod(AbstractHandlerMethodMapping.java:178)

at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.detectHandlerMethods(AbstractHandlerMethodMapping.java:152)

at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.initHandlerMethods(AbstractHandlerMethodMapping.java:114)

at org.springframework.web.servlet.handler.AbstractHandlerMethodMapping.afterPropertiesSet(AbstractHandlerMethodMapping.java:94)

at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping.afterPropertiesSet(RequestMappingHandlerMapping.java:163)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1547)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1485)

... 32 more

五月 05, 2017 5:32:26 下午 org.apache.catalina.core.ApplicationContext log

严重: StandardWrapper.Throwable