                        课程
                    
                        /后端开发
                        
                            /Java
                        
                        /基于SSH实现员工管理系统之案例实现篇

写完了，但是启动tomcat时出现好多错误，求帮助

log4j:WARN No appenders could be found for logger (org.springframework.util.ClassUtils).

log4j:WARN Please initialize the log4j system properly.

2016-9-2 21:16:00 org.apache.catalina.core.ApplicationContext log

信息: Initializing Spring root WebApplicationContext

2016-9-2 21:16:01 org.apache.catalina.core.StandardContext listenerStart

严重: Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListener

java.lang.NoSuchMethodError: org.springframework.util.Assert.noNullElements([Ljava/lang/Object;Ljava/lang/String;)V

at org.springframework.context.support.AbstractRefreshableConfigApplicationContext.setConfigLocations(AbstractRefreshableConfigApplicationContext.java:78)

at org.springframework.context.support.AbstractRefreshableConfigApplicationContext.setConfigLocation(AbstractRefreshableConfigApplicationContext.java:69)

at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:253)

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:3827)

at org.apache.catalina.core.StandardContext.start(StandardContext.java:4334)

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:920)

at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:883)

at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:492)

at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1138)

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:566)

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)

2016-9-2 21:16:01 org.apache.catalina.core.StandardContext start

严重: Error listenerStart

2016-9-2 21:16:01 org.apache.catalina.core.StandardContext start

严重: Context [/llx] startup failed due to previous errors

2016-9-2 21:16:01 org.apache.catalina.core.ApplicationContext log

信息: Closing Spring root WebApplicationContext

2016-9-2 21:16:03 org.apache.catalina.core.ApplicationContext log

信息: Initializing Spring root WebApplicationContext

log4j:WARN No appenders could be found for logger (org.springframework.web.context.ContextLoader).

log4j:WARN Please initialize the log4j system properly.

2016-9-2 21:16:11 org.apache.catalina.loader.WebappClassLoader validateJarFile

信息: validateJarFile(D:\javaworkplace\java\.metadata\.me_tcat\webapps\TestSSH\WEB-INF\lib\servlet-api.jar) - jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class

2016-9-2 21:16:12 org.apache.catalina.core.ApplicationContext log

信息: Initializing Spring root WebApplicationContext

ERROR [main] - Context initialization failed

org.springframework.beans.factory.CannotLoadBeanClassException: Cannot find class [org.apache.commons.dbcp.BasicDataSource] for bean with name 'dataSource' defined in class path resource [applicationContext.xml]; nested exception is java.lang.ClassNotFoundException: org.apache.commons.dbcp.BasicDataSource

at org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1263)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.predictBeanType(AbstractAutowireCapableBeanFactory.java:581)

at org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:1332)

at org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:898)

at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:588)

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

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

at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:383)

at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:283)

at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:112)