exception

javax.servlet.ServletException: java.lang.AbstractMethodError://servlet异常 javax.servlet.jsp.JspFactory.getJspApplicationContext(Ljavax/servlet/ServletContext;)Ljavax/servlet/jsp/JspApplicationContext;//jsp应用上下文
        org.apache.jasper.servlet.JspServlet.service(JspServlet.java:272)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

root cause

java.lang.AbstractMethodError: javax.servlet.jsp.JspFactory.getJspApplicationContext//

//抽象方法错误。jsp工厂类实例化应用上下文

(Ljavax/servlet/ServletContext;)Ljavax/servlet/jsp/JspApplicationContext;
        org.apache.jsp.login_jsp._jspInit(login_jsp.java:35)
        org.apache.jasper.runtime.HttpJspBase.init(HttpJspBase.java:79)
        org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:145)
        org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:305)
        org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
        org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

Tomcat抛出的完整异常信息

 Context initialization failed

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in ServletContext resource [/WEB-INF/a

pplicationContext.xml]: Invocation of init method failed; nested exception is java.lang.NoClassDefFoundError: org/slf4j/LoggerFactory

        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1393)

        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:511)

        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:449)

        at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:289)

        at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)

        at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:286)

        at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:188)

        at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:510)

        at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:716)

        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:383)

        at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:270)

        at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:197)

        at org.springframework.web.context.ContextLoaderServlet.init(ContextLoaderServlet.java:81)

        at javax.servlet.GenericServlet.init(GenericServlet.java:212)

        at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1173)

        at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:993)

        at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4187)

        at org.apache.catalina.core.StandardContext.start(StandardContext.java:4496)

        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)

        at org.apache.catalina.core.StandardHost.start(StandardHost.java:722)

        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:593)

        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

        at java.lang.reflect.Method.invoke(Unknown Source)

        at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)

        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)

Caused by: java.lang.NoClassDefFoundError: org/slf4j/LoggerFactory

        at org.hibernate.cfg.Configuration.<clinit>(Configuration.java:151)

        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

        at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)

        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)

        at java.lang.reflect.Constructor.newInstance(Unknown Source)

        at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:128)

        at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:106)

        at org.springframework.orm.hibernate3.LocalSessionFactoryBean.newConfiguration(LocalSessionFactoryBean.java:764)

        at org.springframework.orm.hibernate3.LocalSessionFactoryBean.buildSessionFactory(LocalSessionFactoryBean.java:514)

        at org.springframework.orm.hibernate3.AbstractSessionFactoryBean.afterPropertiesSet(AbstractSessionFactoryBean.java:211)

        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1452

)

        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1390)

        ... 30 more

Caused by: java.lang.ClassNotFoundException: org.slf4j.LoggerFactory

        at java.net.URLClassLoader$1.run(Unknown Source)

        at java.security.AccessController.doPrivileged(Native Method)

        at java.net.URLClassLoader.findClass(Unknown Source)

        at java.lang.ClassLoader.loadClass(Unknown Source)

        at java.lang.ClassLoader.loadClass(Unknown Source)

        ... 42 more