1、错误描述

usage: java org.apache.catalina.startup.Catalina [ -config {pathname} ] [ -nonaming ]  { -help | start | stop }
2014-11-16 15:20:57 org.apache.catalina.core.AprLifecycleListener init
信息: Loaded APR based Apache Tomcat Native library 1.1.24 using APR version 1.4.6.
2014-11-16 15:20:58 org.apache.catalina.core.AprLifecycleListener init
信息: APR capabilities: IPv6 [true], sendfile [true], accept filters [false], random [true].
2014-11-16 15:20:59 org.apache.catalina.core.AprLifecycleListener initializeSSL
信息: OpenSSL successfully initialized (OpenSSL 1.0.1c 10 May 2012)
2014-11-16 15:21:01 org.apache.coyote.AbstractProtocol init
信息: Initializing ProtocolHandler ["http-apr-8080"]
2014-11-16 15:21:01 org.apache.coyote.AbstractProtocol init
信息: Initializing ProtocolHandler ["ajp-apr-8009"]
2014-11-16 15:21:01 org.apache.catalina.startup.Catalina load
信息: Initialization processed in 5382 ms
2014-11-16 15:21:01 org.apache.catalina.core.StandardService startInternal
信息: Starting service Catalina
2014-11-16 15:21:01 org.apache.catalina.core.StandardEngine startInternal
信息: Starting Servlet Engine: Apache Tomcat/7.0.32
2014-11-16 15:21:01 org.apache.catalina.startup.HostConfig deployDirectory
信息: Deploying web application directory D:\MyEclipse\apache-tomcat-7.0.32\webapps\buganalysis
2014-11-16 15:21:10 org.apache.catalina.core.ApplicationContext log
信息: No Spring WebApplicationInitializer types detected on classpath
2014-11-16 15:21:10 org.apache.catalina.util.SessionIdGenerator createSecureRandom
信息: Creation of SecureRandom instance for session ID generation using [SHA1PRNG] took [171] milliseconds.
2014-11-16 15:21:11 org.apache.catalina.core.ApplicationContext log
信息: Initializing Spring FrameworkServlet 'mvc'
11-16 15:21:11 INFO [localhost-startStop-1] org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:455) - FrameworkServlet 'mvc': initialization started
11-16 15:21:11 INFO [localhost-startStop-1] org.springframework.context.support.AbstractApplicationContext.prepareRefresh(AbstractApplicationContext.java:510) - Refreshing WebApplicationContext for namespace 'mvc-servlet': startup date [Sun Nov 16 15:21:11 CST 2014]; root of context hierarchy
11-16 15:21:11 INFO [localhost-startStop-1] org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:315) - Loading XML bean definitions from class path resource [applicationContext-mvc.xml]
11-16 15:21:12 INFO [localhost-startStop-1] org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java:444) - Destroying singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@84de3c: defining beans [flexLoginController,UserServicesController,org.springframework.context.annotation.internalConfigurationAnnotationProcessor,org.springframework.context.annotation.internalAutowiredAnnotationProcessor,org.springframework.context.annotation.internalRequiredAnnotationProcessor,org.springframework.context.annotation.internalCommonAnnotationProcessor,org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping#0,org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping#0,_messageBrokerHandlerAdapter,_messageBrokerDefaultHandlerMapping,_jsonConfigMapEditorConfigurer,_messageBrokerMessagingProcessor,_flexRemotingAnnotationPostProcessor,_messageBrokerRemotingProcessor,org.springframework.flex.core.ExceptionTranslationAdvice#0,org.springframework.flex.core.EndpointServiceMessagePointcutAdvisor#0,org.springframework.flex.core.MessageInterceptionAdvice#0,org.springframework.flex.core.EndpointServiceMessagePointcutAdvisor#1,_messageBrokerEndpointProcessor,_messageBroker,org.springframework.context.annotation.ConfigurationClassPostProcessor.importAwareProcessor]; root of factory hierarchy
11-16 15:21:12 ERROR [localhost-startStop-1] org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:468) - Context initialization failed
org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [com.romeo.backbone.flex.FlexLoginController] for bean with name 'flexLoginController' defined in file [D:\MyEclipse\apache-tomcat-7.0.32\webapps\buganalysis\WEB-INF\classes\com\romeo\backbone\flex\FlexLoginController.class]: problem with class file or dependent class; nested exception is java.lang.UnsupportedClassVersionError: com/romeo/backbone/flex/FlexLoginController : Unsupported major.minor version 51.0 (unable to load class com.romeo.backbone.flex.FlexLoginController)
	at org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1269)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.predictBeanType(AbstractAutowireCapableBeanFactory.java:581)
	at org.springframework.beans.factory.support.AbstractBeanFactory.getType(AbstractBeanFactory.java:573)
	at org.springframework.flex.config.RemotingAnnotationPostProcessor.findRemotingDestinations(RemotingAnnotationPostProcessor.java:148)
	at org.springframework.flex.config.RemotingAnnotationPostProcessor.postProcessBeanFactory(RemotingAnnotationPostProcessor.java:79)
	at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:694)
	at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:684)
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:461)
	at org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:652)
	at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:600)
	at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:666)
	at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:519)
	at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:460)
	at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:136)
	at javax.servlet.GenericServlet.init(GenericServlet.java:160)
	at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1266)
	at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1185)
	at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1080)
	at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:5027)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5314)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:633)
	at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1105)
	at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1664)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.UnsupportedClassVersionError: com/romeo/backbone/flex/FlexLoginController : Unsupported major.minor version 51.0 (unable to load class com.romeo.backbone.flex.FlexLoginController)
	at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:2908)
	at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:1173)
	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1681)
	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1559)
	at org.springframework.util.ClassUtils.forName(ClassUtils.java:260)
	at org.springframework.beans.factory.support.AbstractBeanDefinition.resolveBeanClass(AbstractBeanDefinition.java:416)
	at org.springframework.beans.factory.support.AbstractBeanFactory.doResolveBeanClass(AbstractBeanFactory.java:1287)
	at org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1258)
	... 31 more
2014-11-16 15:21:12 org.apache.catalina.core.ApplicationContext log
严重: StandardWrapper.Throwable
org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [com.romeo.backbone.flex.FlexLoginController] for bean with name 'flexLoginController' defined in file [D:\MyEclipse\apache-tomcat-7.0.32\webapps\buganalysis\WEB-INF\classes\com\romeo\backbone\flex\FlexLoginController.class]: problem with class file or dependent class; nested exception is java.lang.UnsupportedClassVersionError: com/romeo/backbone/flex/FlexLoginController : Unsupported major.minor version 51.0 (unable to load class com.romeo.backbone.flex.FlexLoginController)
	at org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1269)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.predictBeanType(AbstractAutowireCapableBeanFactory.java:581)
	at org.springframework.beans.factory.support.AbstractBeanFactory.getType(AbstractBeanFactory.java:573)
	at org.springframework.flex.config.RemotingAnnotationPostProcessor.findRemotingDestinations(RemotingAnnotationPostProcessor.java:148)
	at org.springframework.flex.config.RemotingAnnotationPostProcessor.postProcessBeanFactory(RemotingAnnotationPostProcessor.java:79)
	at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:694)
	at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:684)
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:461)
	at org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:652)
	at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:600)
	at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:666)
	at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:519)
	at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:460)
	at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:136)
	at javax.servlet.GenericServlet.init(GenericServlet.java:160)
	at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1266)
	at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1185)
	at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1080)
	at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:5027)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5314)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:633)
	at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1105)
	at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1664)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.UnsupportedClassVersionError: com/romeo/backbone/flex/FlexLoginController : Unsupported major.minor version 51.0 (unable to load class com.romeo.backbone.flex.FlexLoginController)
	at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:2908)
	at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:1173)
	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1681)
	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1559)
	at org.springframework.util.ClassUtils.forName(ClassUtils.java:260)
	at org.springframework.beans.factory.support.AbstractBeanDefinition.resolveBeanClass(AbstractBeanDefinition.java:416)
	at org.springframework.beans.factory.support.AbstractBeanFactory.doResolveBeanClass(AbstractBeanFactory.java:1287)
	at org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1258)
	... 31 more
2014-11-16 15:21:12 org.apache.catalina.core.StandardContext loadOnStartup
严重: Servlet /buganalysis threw load() exception
java.lang.UnsupportedClassVersionError: com/romeo/backbone/flex/FlexLoginController : Unsupported major.minor version 51.0 (unable to load class com.romeo.backbone.flex.FlexLoginController)
	at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:2908)
	at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:1173)
	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1681)
	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1559)
	at org.springframework.util.ClassUtils.forName(ClassUtils.java:260)
	at org.springframework.beans.factory.support.AbstractBeanDefinition.resolveBeanClass(AbstractBeanDefinition.java:416)
	at org.springframework.beans.factory.support.AbstractBeanFactory.doResolveBeanClass(AbstractBeanFactory.java:1287)
	at org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1258)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.predictBeanType(AbstractAutowireCapableBeanFactory.java:581)
	at org.springframework.beans.factory.support.AbstractBeanFactory.getType(AbstractBeanFactory.java:573)
	at org.springframework.flex.config.RemotingAnnotationPostProcessor.findRemotingDestinations(RemotingAnnotationPostProcessor.java:148)
	at org.springframework.flex.config.RemotingAnnotationPostProcessor.postProcessBeanFactory(RemotingAnnotationPostProcessor.java:79)
	at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:694)
	at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:684)
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:461)
	at org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:652)
	at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:600)
	at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:666)
	at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:519)
	at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:460)
	at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:136)
	at javax.servlet.GenericServlet.init(GenericServlet.java:160)
	at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1266)
	at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1185)
	at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1080)
	at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:5027)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5314)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:633)
	at org.apache.catalina.startup.HostConfig.deployD
irectory(HostConfig.java:1105)
	at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1664)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:619)
2014-11-16 15:21:12 org.apache.catalina.startup.HostConfig deployDirectory
信息: Deploying web application directory D:\MyEclipse\apache-tomcat-7.0.32\webapps\docs
2014-11-16 15:21:12 org.apache.catalina.startup.HostConfig deployDirectory
信息: Deploying web application directory D:\MyEclipse\apache-tomcat-7.0.32\webapps\examples
2014-11-16 15:21:12 org.apache.catalina.core.ApplicationContext log
信息: ContextListener: contextInitialized()
2014-11-16 15:21:12 org.apache.catalina.core.ApplicationContext log
信息: SessionListener: contextInitialized()
2014-11-16 15:21:12 org.apache.catalina.core.ApplicationContext log
信息: ContextListener: attributeAdded('org.apache.jasper.compiler.TldLocationsCache', 'org.apache.jasper.compiler.TldLocationsCache@1e6743e')
2014-11-16 15:21:12 org.apache.catalina.startup.HostConfig deployDirectory
信息: Deploying web application directory D:\MyEclipse\apache-tomcat-7.0.32\webapps\host-manager
2014-11-16 15:21:12 org.apache.catalina.startup.HostConfig deployDirectory
信息: Deploying web application directory D:\MyEclipse\apache-tomcat-7.0.32\webapps\manager
2014-11-16 15:21:12 org.apache.catalina.startup.HostConfig deployDirectory
信息: Deploying web application directory D:\MyEclipse\apache-tomcat-7.0.32\webapps\SMESalesAssistant
2014-11-16 15:21:12 org.apache.coyote.AbstractProtocol start
信息: Starting ProtocolHandler ["http-apr-8080"]
2014-11-16 15:21:12 org.apache.coyote.AbstractProtocol start
信息: Starting ProtocolHandler ["ajp-apr-8009"]
2014-11-16 15:21:12 org.apache.catalina.startup.Catalina start
信息: Server startup in 11796 ms

2、错误原因

3、解决办法

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