[color=#FF0000]启动Tomcat的时候就报错。。。。。求好心人帮忙。。。。急需！ 提示如下：[/color]
- Java code
。。。。。严重: Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListenerorg.springframework.beans.factory.BeanCreationException: Error creating bean with name 'costService' defined in class path resource [applicationContext.xml]: Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [financesj.center.service.CostServiceImpl]: Is it an abstract class?; nested exception is java.lang.InstantiationException at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:883) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:839) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:440) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$1.run(AbstractAutowireCapableBeanFactory.java:409) at java.security.AccessController.doPrivileged(Native Method) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:380) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:264) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:261) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:185) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:164) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:429) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:728) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:380) at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:255) at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:199) at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:45) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3843) at org.apache.catalina.core.StandardContext.start(StandardContext.java:4342) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:525) at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:926) at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:889) at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:492) at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1149) at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311) at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053) at org.apache.catalina.core.StandardHost.start(StandardHost.java:719) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045) at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443) at org.apache.catalina.core.StandardService.start(StandardService.java:516) at org.apache.catalina.core.StandardServer.start(StandardServer.java:710) at org.apache.catalina.startup.Catalina.start(Catalina.java:578) 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.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)Caused by: org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [financesj.center.service.CostServiceImpl]: Is it an abstract class?; nested exception is java.lang.InstantiationException at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:103) at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:61) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:877) ... 40 moreCaused by: java.lang.InstantiationException at sun.reflect.InstantiationExceptionConstructorAccessorImpl.newInstance(InstantiationExceptionConstructorAccessorImpl.java:30) at java.lang.reflect.Constructor.newInstance(Constructor.java:513) at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:100) ... 42 more2011-12-21 10:55:51 org.apache.catalina.core.StandardContext start严重: Error listenerStart2011-12-21 10:55:51 org.apache.catalina.core.StandardContext start严重: Context [/Financesj] startup failed due to previous errors2011-12-21 10:55:51 org.apache.catalina.core.ApplicationContext log信息: Closing Spring root WebApplicationContextlog4j:WARN No appenders could be found for logger (org.springframework.core.CollectionFactory).log4j:WARN Please initialize the log4j system properly.2011-12-21 10:55:52 org.apache.catalina.core.ApplicationContext log信息: Initializing Spring root WebApplicationContext2011-12-21 10:55:52 org.apache.catalina.loader.WebappClassLoader loadClass信息: Illegal access: this web application instance has been stopped already. Could not load java.net.BindException. The eventual following stack trace is caused by an error thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access, and has no functional impact.java.lang.IllegalStateException at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1273) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320) at com.mysql.jdbc.CommunicationsException.<init>(CommunicationsException.java:155) at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:2652) at com.mysql.jdbc.MysqlIO.quit(MysqlIO.java:1345) at com.mysql.jdbc.Connection.realClose(Connection.java:4784) at com.mysql.jdbc.Connection.cleanup(Connection.java:2040) at com.mysql.jdbc.Connection.finalize(Connection.java:3296) at java.lang.ref.Finalizer.invokeFinalizeMethod(Native Method) at java.lang.ref.Finalizer.runFinalizer(Finalizer.java:83) at java.lang.ref.Finalizer.access$100(Finalizer.java:14) at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:160)2011-12-21 10:55:52 org.apache.catalina.loader.WebappClassLoader loadClass信息: Illegal access: this web application instance has been stopped already. Could not load com.mysql.jdbc.Util. The eventual following stack trace is caused by an error thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access, and has no functional impact.java.lang.IllegalStateException at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1273) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320) at com.mysql.jdbc.CommunicationsException.<init>(CommunicationsException.java:180) at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:2652) at com.mysql.jdbc.MysqlIO.quit(MysqlIO.java:1345) at com.mysql.jdbc.Connection.realClose(Connection.java:4784) at com.mysql.jdbc.Connection.cleanup(Connection.java:2040) at com.mysql.jdbc.Connection.finalize(Connection.java:3296) at java.lang.ref.Finalizer.invokeFinalizeMethod(Native Method) at java.lang.ref.Finalizer.runFinalizer(Finalizer.java:83) at java.lang.ref.Finalizer.access$100(Finalizer.java:14) at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:160)log4j:WARN No appenders could be found for logger (com.opensymphony.xwork2.config.providers.XmlConfigurationProvider).log4j:WARN Please initialize the log4j system properly.log4j:WARN No appenders could be found for logger (org.springframework.core.CollectionFactory).log4j:WARN Please initialize the log4j system properly.2011-12-21 10:55:58 org.apache.catalina.core.ApplicationContext log信息: Initializing Spring root WebApplicationContext2011-12-21 10:56:02 org.apache.coyote.http11.Http11Protocol start信息: Starting Coyote HTTP/1.1 on http-80802011-12-21 10:56:02 org.apache.jk.common.ChannelSocket init信息: JK: ajp13 listening on /0.0.0.0:80092011-12-21 10:56:02 org.apache.jk.server.JkMain start信息: Jk running ID=0 time=0/16 config=null2011-12-21 10:56:02 org.apache.catalina.startup.Catalina start信息: Server startup in 22574 ms