心累了。之前都好端端的不知道为什么，星期五web页面就404了，也没有记忆自己改过什么重要的地方。周六要操作展示，页面都没了，心塞啊。弄了一整天都不知道问题的根本原因在哪里，百度上各方路子都不适合自己用啊，哎，请求各位出手相助啊。不然周六（今天）就惨了。
部分datasource.xml如下：

             ...

web.xml如下：

    30   contextConfigLocation /WEB-INF/config/root-context.xml   org.springframework.web.context.ContextLoaderListener   characterEncodingFilter org.springframework.web.filter.CharacterEncodingFilter  encoding UTF-8   forceEncoding true    characterEncodingFilter /*   mvc-dispatcher org.springframework.web.servlet.DispatcherServlet  contextConfigLocation /WEB-INF/config/root-context.xml  1   mvc-dispatcher /rest/*   WebServiceLogLetProxy com.streetLight.android.controller.WebServiceLogLetProxy  TargetServlet WebServiceLoginLet    WebServiceLogLetProxy /WebServiceLogLetProxy   WebServiceGetMainDataProxy com.streetLight.android.controller.WebServiceGetMainDataProxy  TargetServlet WebServiceGetMainData    WebServiceGetMainDataProxy /WebServiceGetMainDataProxy   WebServiceGetConcentratorDataProxy com.streetLight.android.controller.WebServiceGetConcentratorDataProxy  TargetServlet WebServiceGetConcentratorData    WebServiceGetConcentratorDataProxy /WebServiceGetConcentratorDataProxy   WebServiceRemoteControlControllerProxy com.streetLight.android.controller.WebServiceRemoteControlControllerProxy  TargetServlet WebServiceRemoteControlController    WebServiceRemoteControlControllerProxy /WebServiceRemoteControlControllerProxy   WebServiceRemoteControlConcentratorProxy com.streetLight.android.controller.WebServiceRemoteControlConcentratorProxy  TargetServlet WebServiceRemoteControlConcentrator    WebServiceRemoteControlConcentratorProxy /WebServiceRemoteControlConcentratorProxy   WebServiceRemoteReadLightDataProxy com.streetLight.android.controller.WebServiceRemoteReadLightDataProxy  TargetServlet WebServiceRemoteReadLightData    WebServiceRemoteReadLightDataProxy /WebServiceRemoteReadLightDataProxy  

错误日志如下：

16-Dec-2016 22:52:37.346 信息 [localhost-startStop-1] org.apache.catalina.core.ApplicationContext.log No Spring WebApplicationInitializer types detected on classpath 16-Dec-2016 22:52:37.512 信息 [localhost-startStop-1] org.apache.catalina.core.ApplicationContext.log Initializing Spring root WebApplicationContext 16-Dec-2016 22:52:38.376 严重 [localhost-startStop-1] org.apache.catalina.core.StandardContext.listenerStart Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListener org.springframework.beans.factory.parsing.BeanDefinitionParsingException: Configuration problem: Failed to import bean definitions from relative location [datasource.xml] Offending resource: ServletContext resource [/WEB-INF/config/root-context.xml]; nested exception is org.springframework.beans.factory.xml.XmlBeanDefinitionStoreException: Line 15 in XML document from ServletContext resource [/WEB-INF/config/datasource.xml] is invalid; nested exception is org.xml.sax.SAXParseException; lineNumber: 15; columnNumber: 68; cvc-elt.1: 找不到元素 'beans' 的声明。 at org.springframework.beans.factory.parsing.FailFastProblemReporter.error(FailFastProblemReporter.java:70) at org.springframework.beans.factory.parsing.ReaderContext.error(ReaderContext.java:85) at org.springframework.beans.factory.parsing.ReaderContext.error(ReaderContext.java:76) at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.importBeanDefinitionResource(DefaultBeanDefinitionDocumentReader.java:274) at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.parseDefaultElement(DefaultBeanDefinitionDocumentReader.java:199) at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.parseBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:184) at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.doRegisterBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:141) at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.registerBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:110) at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.registerBeanDefinitions(XmlBeanDefinitionReader.java:508) at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:391) at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:335) at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:303) at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:180) at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:216) at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:187) at org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:125) at org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:94) at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:129) at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:540) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:454) at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:403) at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:306) at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:106) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4727) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5189) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:724) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:700) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:734) at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:952) at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1823) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) Caused by: org.springframework.beans.factory.xml.XmlBeanDefinitionStoreException: Line 15 in XML document from ServletContext resource [/WEB-INF/config/datasource.xml] is invalid; nested exception is org.xml.sax.SAXParseException; lineNumber: 15; columnNumber: 68; cvc-elt.1: 找不到元素 'beans' 的声明。 at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:398) at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:335) at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:303) at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.importBeanDefinitionResource(DefaultBeanDefinitionDocumentReader.java:258) ... 32 more Caused by: org.xml.sax.SAXParseException; lineNumber: 15; columnNumber: 68; cvc-elt.1: 找不到元素 'beans' 的声明。 at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:198) at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.error(ErrorHandlerWrapper.java:134) at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:396) at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:327) at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:284) at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.handleStartElement(XMLSchemaValidator.java:1900) at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.startElement(XMLSchemaValidator.java:740) at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartElement(XMLNSDocumentScannerImpl.java:380) at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl$NSContentDriver.scanRootElementHook(XMLNSDocumentScannerImpl.java:619) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:3129) at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$PrologDriver.next(XMLDocumentScannerImpl.java:880) at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:606) at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:118) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:504) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:848) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:777) at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:141) at com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(DOMParser.java:243) at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:338) at org.springframework.beans.factory.xml.DefaultDocumentLoader.loadDocument(DefaultDocumentLoader.java:76) at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadDocument(XmlBeanDefinitionReader.java:428) at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:390) ... 35 more 16-Dec-2016 22:52:38.398 信息 [localhost-startStop-1] org.apache.catalina.core.ApplicationContext.log Closing Spring root WebApplicationContext 16-Dec-2016 22:52:38.411 严重 [localhost-startStop-1] org.apache.catalina.core.StandardContext.listenerStop Exception sending context destroyed event to listener instance of class org.springframework.web.context.ContextLoaderListener java.lang.IllegalStateException: BeanFactory not initialized or already closed - call 'refresh' before accessing beans via the ApplicationContext at org.springframework.context.support.AbstractRefreshableApplicationContext.getBeanFactory(AbstractRefreshableApplicationContext.java:170) at org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:921) at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:895) at org.springframework.context.support.AbstractApplicationContext.close(AbstractApplicationContext.java:841) at org.springframework.web.context.ContextLoader.closeWebApplicationContext(ContextLoader.java:579) at org.springframework.web.context.ContextLoaderListener.contextDestroyed(ContextLoaderListener.java:115) at org.apache.catalina.core.StandardContext.listenerStop(StandardContext.java:4774) at org.apache.catalina.core.StandardContext.stopInternal(StandardContext.java:5411) at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:226) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:724) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:700) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:734) at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:952) at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1823) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) 16-Dec-2016 22:52:38.797 信息 [localhost-startStop-1] org.apache.catalina.core.ApplicationContext.log ContextListener: contextInitialized() 16-Dec-2016 22:52:38.798 信息 [localhost-startStop-1] org.apache.catalina.core.ApplicationContext.log SessionListener: contextInitialized()