求助，在服务器上tomcat里面运行，报错的具体信息如下

求助，在服务器上tomcat里面运行，报错的具体信息如下，这是怎么一回事？===================================================================================
INFO: Initializing Spring root WebApplicationContext
Dec 07, 2017 11:46:10 AM org.apache.catalina.core.ApplicationContext log
INFO: Initializing Spring FrameworkServlet 'dispatcher'
Dec 07, 2017 11:46:11 AM org.apache.catalina.core.ApplicationContext log
INFO: ContextListener: contextInitialized()
Dec 07, 2017 11:46:11 AM org.apache.catalina.core.ApplicationContext log
INFO: SessionListener: contextInitialized()
Dec 07, 2017 11:46:11 AM org.apache.catalina.core.ApplicationContext log
INFO: ContextListener: attributeAdded('org.apache.jasper.compiler.TldLocationsCache', 'org.apache.jasper.compiler.TldLocationsCache@3a5c2fcb')
Dec 07, 2017 11:46:15 AM org.apache.catalina.core.ApplicationContext log
INFO: No Spring WebApplicationInitializer types detected on classpath
Dec 07, 2017 11:46:15 AM org.apache.catalina.core.ApplicationContext log
INFO: Set web app root system property: 'webPath' = [/home/apache-tomcat-7/webapps/healthcloud-web/]
Dec 07, 2017 11:46:16 AM org.apache.catalina.core.ApplicationContext log
INFO: Initializing Spring root WebApplicationContext
Dec 07, 2017 11:46:47 AM org.apache.catalina.core.ApplicationContext log
INFO: Initializing Spring FrameworkServlet 'dispatcher'
Dec 07, 2017 11:55:17 AM org.apache.catalina.core.ApplicationContext log
INFO: Destroying Spring FrameworkServlet 'dispatcher'
Dec 07, 2017 11:55:17 AM org.apache.catalina.core.ApplicationContext log
INFO: Closing Spring root WebApplicationContext
Dec 07, 2017 11:55:17 AM org.apache.catalina.core.StandardContext listenerStop
SEVERE: Exception sending context destroyed event to listener instance of class org.springframework.web.context.ContextLoaderListener
java.lang.NoClassDefFoundError: org/apache/log4j/spi/ThrowableInformation
at org.apache.log4j.spi.LoggingEvent.<init>(LoggingEvent.java:165)
at org.apache.log4j.Category.forcedLog(Category.java:391)
at org.apache.log4j.Category.log(Category.java:856)
at org.slf4j.impl.Log4jLoggerAdapter.log(Log4jLoggerAdapter.java:581)
at org.apache.commons.logging.impl.SLF4JLocationAwareLog.error(SLF4JLocationAwareLog.java:225)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroyBean(DefaultSingletonBeanRegistry.java:581)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingleton(DefaultSingletonBeanRegistry.java:554)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingleton(DefaultListableBeanFactory.java:961)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java:523)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingletons(DefaultListableBeanFactory.java:968)
at org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:1033)
at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:1009)
at org.springframework.context.support.AbstractApplicationContext.close(AbstractApplicationContext.java:961)
at org.springframework.web.context.ContextLoader.closeWebApplicationContext(ContextLoader.java:583)
at org.springframework.web.context.ContextLoaderListener.contextDestroyed(ContextLoaderListener.java:116)
at org.apache.catalina.core.StandardContext.listenerStop(StandardContext.java:5165)
at org.apache.catalina.core.StandardContext.stopInternal(StandardContext.java:5829)
at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:221)
at org.apache.catalina.core.StandardContext.reload(StandardContext.java:4131)
at org.apache.catalina.startup.HostConfig.reload(HostConfig.java:1539)
at org.apache.catalina.startup.HostConfig.checkResources(HostConfig.java:1512)
at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1748)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:333)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1370)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1542)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1552)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1520)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.ClassNotFoundException: org.apache.log4j.spi.ThrowableInformation
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1892)
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1735)
... 30 moreDec 07, 2017 12:00:27 PM org.apache.catalina.core.ApplicationContext log
INFO: No Spring WebApplicationInitializer types detected on classpath
Dec 07, 2017 12:00:27 PM org.apache.catalina.core.ApplicationContext log
INFO: Set web app root system property: 'webPath' = [/home/apache-tomcat-7/webapps/healthcloud-web/]
Dec 07, 2017 12:00:27 PM org.apache.catalina.core.ApplicationContext log
INFO: Initializing Spring root WebApplicationContext
Dec 07, 2017 12:01:04 PM org.apache.catalina.core.ApplicationContext log
INFO: Initializing Spring FrameworkServlet 'dispatcher'
Dec 07, 2017 12:01:08 PM org.apache.catalina.core.ApplicationContext log
INFO: No Spring WebApplicationInitializer types detected on classpath
Dec 07, 2017 12:01:09 PM org.apache.catalina.core.ApplicationContext log
INFO: Set web app root system property: 'kqcms' = [/home/apache-tomcat-7/webapps/kqlc_cms/]
Dec 07, 2017 12:01:09 PM org.apache.catalina.core.ApplicationContext log
INFO: Initializing Spring root WebApplicationContext
Dec 07, 2017 12:01:23 PM org.apache.catalina.core.ApplicationContext log
INFO: Initializing Spring FrameworkServlet 'dispatcher'
Dec 07, 2017 12:01:23 PM org.apache.catalina.core.ApplicationContext log
INFO: ContextListener: contextInitialized()
Dec 07, 2017 12:01:23 PM org.apache.catalina.core.ApplicationContext log
INFO: SessionListener: contextInitialized()
Dec 07, 2017 12:01:23 PM org.apache.catalina.core.ApplicationContext log
INFO: ContextListener: attributeAdded('org.apache.jasper.compiler.TldLocationsCache', 'org.apache.jasper.compiler.TldLocationsCache@51f6aba5')
Dec 07, 2017 1:12:25 PM org.apache.catalina.core.ApplicationContext log
INFO: Destroying Spring FrameworkServlet 'dispatcher'
Dec 07, 2017 1:12:25 PM org.apache.catalina.core.ApplicationContext log
INFO: Closing Spring root WebApplicationContext
Dec 07, 2017 1:12:25 PM org.apache.catalina.core.Applic