Spring 3 and MyBatis 3.0.4 / 3.0.6: MalformedParameterizedTypeException

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2012-04 ( 2)
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Spring+mybatis+maven Error creating bean with name 'sqlSessionFactory'java.lang.reflect.MalformedParameterizedTypeException org.springframework.beans.factory.BeanCreationException spring和mybatis集成报错

根据网络的资料通过maven构建了一个Spring+MyBatis项目，其中pom.xml文件中引入mybatis和Spring架包：

<!-- spring webmvc -->
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-webmvc</artifactId>
			<version>3.0.6.RELEASE</version>
		</dependency>

		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-orm</artifactId>
			<version>3.0.6.RELEASE</version>
		</dependency>
<!-- spring-mybatis -->
		<dependency>
			<groupId>org.mybatis</groupId>
			<artifactId>mybatis-spring</artifactId>
			<version>1.0.2</version>
		</dependency>
		<dependency>
			<groupId>org.mybatis</groupId>
			<artifactId>mybatis</artifactId>
			<version>3.0.4</version>
		</dependency>
		<dependency>
			<groupId>mysql</groupId>
			<artifactId>mysql-connector-java</artifactId>
			<version>5.1.14</version>
		</dependency>

结果运行后报错如下：

2012-04-01 15:51:29.842::WARN:  Failed startup of context org.mortbay.jetty.plugin.Jetty6PluginWebAppContext@170a650{/haiping,E:\MyEclipse9MWorkSpaces\haiping\src\main\webapp}
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory' defined in ServletContext resource [/WEB-INF/spring/root-context.xml]: Initialization of bean failed; nested exception is java.lang.reflect.MalformedParameterizedTypeException
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:527)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456)
	at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:293)
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:290)
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:192)
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:567)
	at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:895)
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:425)
	at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:282)
	at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:204)
	at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:47)
	at org.mortbay.jetty.handler.ContextHandler.startContext(ContextHandler.java:540)
	at org.mortbay.jetty.servlet.Context.startContext(Context.java:135)
	at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1220)
	at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:510)
	at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:448)
	at org.mortbay.jetty.plugin.Jetty6PluginWebAppContext.doStart(Jetty6PluginWebAppContext.java:110)
	at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:39)
	at org.mortbay.jetty.handler.HandlerCollection.doStart(HandlerCollection.java:152)
	at org.mortbay.jetty.handler.ContextHandlerCollection.doStart(ContextHandlerCollection.java:156)
	at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:39)
	at org.mortbay.jetty.handler.HandlerCollection.doStart(HandlerCollection.java:152)
	at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:39)
	at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
	at org.mortbay.jetty.Server.doStart(Server.java:222)
	at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:39)
	at org.mortbay.jetty.plugin.Jetty6PluginServer.start(Jetty6PluginServer.java:132)
	at org.mortbay.jetty.plugin.AbstractJettyMojo.startJetty(AbstractJettyMojo.java:371)
	at org.mortbay.jetty.plugin.AbstractJettyMojo.execute(AbstractJettyMojo.java:307)
	at org.mortbay.jetty.plugin.AbstractJettyRunMojo.execute(AbstractJettyRunMojo.java:203)
	at org.mortbay.jetty.plugin.Jetty6RunMojo.execute(Jetty6RunMojo.java:184)
	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:105)
	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:577)
	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:324)
	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:247)
	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:104)
	at org.apache.maven.cli.MavenCli.execute(MavenCli.java:427)
	at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:157)
	at org.apache.maven.cli.MavenCli.main(MavenCli.java:121)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
	at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
	at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
	at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
Caused by: java.lang.reflect.MalformedParameterizedTypeException
	at sun.reflect.generics.reflectiveObjects.ParameterizedTypeImpl.validateConstructorArguments(ParameterizedTypeImpl.java:42)
	at sun.reflect.generics.reflectiveObjects.ParameterizedTypeImpl.<init>(ParameterizedTypeImpl.java:35)
	at sun.reflect.generics.reflectiveObjects.ParameterizedTypeImpl.make(ParameterizedTypeImpl.java:77)
	at sun.reflect.generics.factory.CoreReflectionFactory.makeParameterizedType(CoreReflectionFactory.java:86)
	at sun.reflect.generics.visitor.Reifier.visitClassTypeSignature(Reifier.java:122)
	at sun.reflect.generics.tree.ClassTypeSignature.accept(ClassTypeSignature.java:31)
	at sun.reflect.generics.visitor.Reifier.visitArrayTypeSignature(Reifier.java:141)
	at sun.reflect.generics.tree.ArrayTypeSignature.accept(ArrayTypeSignature.java:24)
	at sun.reflect.generics.repository.ConstructorRepository.getParameterTypes(ConstructorRepository.java:76)
	at java.lang.reflect.Method.getGenericParameterTypes(Method.java:282)
	at org.springframework.core.GenericTypeResolver.getTargetType(GenericTypeResolver.java:65)
	at org.springframework.core.GenericTypeResolver.resolveParameterType(GenericTypeResolver.java:80)
	at org.springframework.beans.GenericTypeAwarePropertyDescriptor.getWriteMethodParameter(GenericTypeAwarePropertyDescriptor.java:147)
	at org.springframework.beans.GenericTypeAwarePropertyDescriptor.getPropertyType(GenericTypeAwarePropertyDescriptor.java:129)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.isExcludedFromDependencyCheck(AbstractAutowireCapableBeanFactory.java:1234)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.filterPropertyDescriptorsForDependencyCheck(AbstractAutowireCapableBeanFactory.java:1211)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1069)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:517)
	... 47 more
2012-04-01 15:51:29.846::WARN:  Nested in org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory' defined in ServletContext resource [/WEB-INF/spring/root-context.xml]: Initialization of bean failed; nested exception is java.lang.reflect.MalformedParameterizedTypeException:
java.lang.reflect.MalformedParameterizedTypeException
	at sun.reflect.generics.reflectiveObjects.ParameterizedTypeImpl.validateConstructorArguments(ParameterizedTypeImpl.java:42)
	at sun.reflect.generics.reflectiveObjects.ParameterizedTypeImpl.<init>(ParameterizedTypeImpl.java:35)
	at sun.reflect.generics.reflectiveObjects.ParameterizedTypeImpl.make(ParameterizedTypeImpl.java:77)
	at sun.reflect.generics.factory.CoreReflectionFactory.makeParameterizedType(CoreReflectionFactory.java:86)
	at sun.reflect.generics.visitor.Reifier.visitClassTypeSignature(Reifier.java:122)
	at sun.reflect.generics.tree.ClassTypeSignature.accept(ClassTypeSignature.java:31)
	at sun.reflect.generics.visitor.Reifier.visitArrayTypeSignature(Reifier.java:141)
	at sun.reflect.generics.tree.ArrayTypeSignature.accept(ArrayTypeSignature.java:24)
	at sun.reflect.generics.repository.ConstructorRepository.getParameterTypes(ConstructorRepository.java:76)
	at java.lang.reflect.Method.getGenericParameterTypes(Method.java:282)
	at org.springframework.core.GenericTypeResolver.getTargetType(GenericTypeResolver.java:65)
	at org.springframework.core.GenericTypeResolver.resolveParameterType(GenericTypeResolver.java:80)
	at org.springframework.beans.GenericTypeAwarePropertyDescriptor.getWriteMethodParameter(GenericTypeAwarePropertyDescriptor.java:147)
	at org.springframework.beans.GenericTypeAwarePropertyDescriptor.getPropertyType(GenericTypeAwarePropertyDescriptor.java:129)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.isExcludedFromDependencyCheck(AbstractAutowireCapableBeanFactory.java:1234)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.filterPropertyDescriptorsForDependencyCheck(AbstractAutowireCapableBeanFactory.java:1211)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1069)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:517)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456)
	at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:293)
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:290)
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:192)
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:567)
	at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:895)
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:425)
	at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:282)
	at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:204)
	at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:47)
	at org.mortbay.jetty.handler.ContextHandler.startContext(ContextHandler.java:540)
	at org.mortbay.jetty.servlet.Context.startContext(Context.java:135)
	at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1220)
	at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:510)
	at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:448)
	at org.mortbay.jetty.plugin.Jetty6PluginWebAppContext.doStart(Jetty6PluginWebAppContext.java:110)
	at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:39)
	at org.mortbay.jetty.handler.HandlerCollection.doStart(HandlerCollection.java:152)
	at org.mortbay.jetty.handler.ContextHandlerCollection.doStart(ContextHandlerCollection.java:156)
	at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:39)
	at org.mortbay.jetty.handler.HandlerCollection.doStart(HandlerCollection.java:152)
	at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:39)
	at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
	at org.mortbay.jetty.Server.doStart(Server.java:222)
	at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:39)
	at org.mortbay.jetty.plugin.Jetty6PluginServer.start(Jetty6PluginServer.java:132)
	at org.mortbay.jetty.plugin.AbstractJettyMojo.startJetty(AbstractJettyMojo.java:371)
	at org.mortbay.jetty.plugin.AbstractJettyMojo.execute(AbstractJettyMojo.java:307)
	at org.mortbay.jetty.plugin.AbstractJettyRunMojo.execute(AbstractJettyRunMojo.java:203)
	at org.mortbay.jetty.plugin.Jetty6RunMojo.execute(Jetty6RunMojo.java:184)
	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:105)
	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:577)
	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:324)
	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:247)
	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:104)
	at org.apache.maven.cli.MavenCli.execute(MavenCli.java:427)
	at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:157)
	at org.apache.maven.cli.MavenCli.main(MavenCli.java:121)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
	at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
	at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
	at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
2012-04-01 15:51:29.872::INFO:  Started SelectChannelConnector@0.0.0.0:8080
[INFO] Started Jetty Server

困恼啊一遍一遍查看代码都无发现重大错误后在国外的老外的一片文章中找到了和我出现一样问题

地址：http://stackoverflow.com/questions/7917770/spring-3-and-mybatis-3-0-4-3-0-6-malformedparameterizedtypeexception

看后顿然醒悟，原来自己”二二“地搞错了版本，解决方案，把mybatis的版本从3.0.4改成更高一点版本3.0.6便可：

		<dependency>
			<groupId>org.mybatis</groupId>
			<artifactId>mybatis</artifactId>
			<version>3.0.6</version>
		</dependency>

总结：问题不是很严重，只怪自己太小白，因为问题太简单了，别人都没出现这种”二“不能在“二”的低级错误，故写这篇文章来取消自己一下！

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check whether you have multiple ContextL ...

2012-04-01 16:10
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1 楼 makemyownlife 2012-04-01

有问题才有收获

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check whether you have multiple ContextLoader* definitions in your web.xml!

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