关于“Could not open ServletContext resource [/WEB-INF/applicationContext.xml]”解决方案
问题产生
最近学了Maven,并尝试将以前的项目(springmvc+myabtis)重构成Maven项目,Maven项目推荐各种资源文件都放在src/Java/resources目录下,所以我自然把spring的配置文件(包括spring-mvc,spring-mybatis等配置都写在一个文件中)applicationContext.xml文件也放在了resources目录下,重构结束后,启动Tomcat报错:
- 八月 31, 2015 3:26:24 下午 org.apache.catalina.core.AprLifecycleListener init
- 信息: Loaded APR based Apache Tomcat Native library 1.1.22.
- 八月 31, 2015 3:26:24 下午 org.apache.catalina.core.AprLifecycleListener init
- 信息: APR capabilities: IPv6 [false], sendfile [true], accept filters [false], random [true].
- 八月 31, 2015 3:26:25 下午 org.apache.coyote.AbstractProtocol init
- 信息: Initializing ProtocolHandler ["http-apr-8080"]
- 八月 31, 2015 3:26:25 下午 org.apache.coyote.AbstractProtocol init
- 信息: Initializing ProtocolHandler ["ajp-apr-8009"]
- 八月 31, 2015 3:26:25 下午 org.apache.catalina.startup.Catalina load
- 信息: Initialization processed in 1784 ms
- 八月 31, 2015 3:26:25 下午 org.apache.catalina.core.StandardService startInternal
- 信息: Starting service Catalina
- 八月 31, 2015 3:26:25 下午 org.apache.catalina.core.StandardEngine startInternal
- 信息: Starting Servlet Engine: Apache Tomcat/7.0.26
- 八月 31, 2015 3:26:25 下午 org.apache.catalina.startup.HostConfig deployDirectory
- 信息: Deploying web application directory E:\java\apache-tomcat-7.0.26\webapps\host-manager
- 八月 31, 2015 3:26:26 下午 org.apache.catalina.startup.HostConfig deployDirectory
- 信息: Deploying web application directory E:\java\apache-tomcat-7.0.26\webapps\manager
- 八月 31, 2015 3:26:26 下午 org.apache.catalina.startup.HostConfig deployDirectory
- 信息: Deploying web application directory E:\java\apache-tomcat-7.0.26\webapps\ROOT
- 八月 31, 2015 3:26:26 下午 org.apache.catalina.startup.HostConfig deployDirectory
- 信息: Deploying web application directory E:\java\apache-tomcat-7.0.26\webapps\zhsz
- 八月 31, 2015 3:26:26 下午 org.apache.catalina.loader.WebappClassLoader validateJarFile
- 信息: validateJarFile(E:\java\apache-tomcat-7.0.26\webapps\zhsz\WEB-INF\lib\javaee.jar) - jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class
- 八月 31, 2015 3:26:32 下午 org.apache.catalina.core.ApplicationContext log
- 信息: No Spring WebApplicationInitializer types detected on classpath
- log4j:ERROR Could not find value for key log4j.appender.stdout
- log4j:ERROR Could not instantiate appender named "stdout".
- log4j:ERROR Could not find value for key log4j.appender.debug
- log4j:ERROR Could not instantiate appender named "debug".
- 八月 31, 2015 3:26:32 下午 org.apache.catalina.core.ApplicationContext log
- 信息: Initializing Spring root WebApplicationContext
- 八月 31, 2015 3:26:33 下午 org.apache.catalina.core.StandardContext listenerStart
- 严重: Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListener
- org.springframework.beans.factory.BeanDefinitionStoreException: IOException parsing XML document from ServletContext resource [/WEB-INF/applicationContext.xml]; nested exception is java.io.FileNotFoundException: Could not open ServletContext resource [/WEB-INF/applicationContext.xml]
- at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:341)
- at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:302)
- at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:174)
- at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:209)
- at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:180)
- 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:131)
- at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:522)
- at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:436)
- at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:385)
- at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:284)
- at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:111)
- at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4779)
- at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5273)
- at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
- at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:895)
- at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:871)
- at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:615)
- at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1095)
- at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1617)
- at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
- at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
- at java.util.concurrent.FutureTask.run(FutureTask.java:166)
- at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
- at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
- at java.lang.Thread.run(Thread.java:722)
- Caused by: java.io.FileNotFoundException: Could not open ServletContext resource [/WEB-INF/applicationContext.xml]
- at org.springframework.web.context.support.ServletContextResource.getInputStream(ServletContextResource.java:140)
- at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:328)
- ... 26 more
- 八月 31, 2015 3:26:33 下午 org.apache.catalina.core.StandardContext startInternal
- 严重: Error listenerStart
- 八月 31, 2015 3:26:33 下午 org.apache.catalina.core.StandardContext startInternal
- 严重: Context [/zhsz] startup failed due to previous errors
- 八月 31, 2015 3:26:33 下午 org.apache.catalina.core.ApplicationContext log
- 信息: Closing Spring root WebApplicationContext
- 八月 31, 2015 3:26:33 下午 org.apache.catalina.core.StandardContext listenerStop
- 严重: 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:172)
- at org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:1066)
- at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:1040)
- at org.springframework.context.support.AbstractApplicationContext.close(AbstractApplicationContext.java:988)
- at org.springframework.web.context.ContextLoader.closeWebApplicationContext(ContextLoader.java:556)
- at org.springframework.web.context.ContextLoaderListener.contextDestroyed(ContextLoaderListener.java:142)
- at org.apache.catalina.core.StandardContext.listenerStop(StandardContext.java:4819)
- at org.apache.catalina.core.StandardContext.stopInternal(StandardContext.java:5466)
- at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:232)
- at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:160)
- at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:895)
- at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:871)
- at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:615)
- at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1095)
- at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1617)
- at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
- at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
- at java.util.concurrent.FutureTask.run(FutureTask.java:166)
- at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
- at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
- at java.lang.Thread.run(Thread.java:722)
- 八月 31, 2015 3:26:33 下午 org.apache.coyote.AbstractProtocol start
- 信息: Starting ProtocolHandler ["http-apr-8080"]
- 八月 31, 2015 3:26:33 下午 org.apache.coyote.AbstractProtocol start
- 信息: Starting ProtocolHandler ["ajp-apr-8009"]
- 八月 31, 2015 3:26:33 下午 org.apache.catalina.startup.Catalina start
- 信息: Server startup in 7589 ms
注意一下,其实重点就一句话,即Could not open ServletContext resource [/WEB-INF/applicationContext.xml],异常也很明显,FileNotException,无法打开ServletContext的资源文件。下面再看一下web.xml的配置:
- <?xml version="1.0" encoding="UTF-8"?>
- <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
- xmlns="http://java.sun.com/xml/ns/javaee"
- xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
- http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
- id="WebApp_ID" version="3.0">
- <display-name>xxybm</display-name>
- <listener>
- <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
- </listener>
- <servlet>
- <servlet-name>springMvc</servlet-name>
- <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
- <init-param>
- <param-name>contextConfigLocation</param-name>
- <param-value>classpath:applicationContext.xml</param-value>
- </init-param>
- <load-on-startup>2</load-on-startup>
- </servlet>
- <servlet-mapping>
- <servlet-name>springMvc</servlet-name>
- <url-pattern>/app/*</url-pattern>
- </servlet-mapping>
- <filter>
- <filter-name>SecurityFilter</filter-name>
- <filter-class>net.zhsz.util.LoginCheckFilter</filter-class>
- </filter>
- <filter-mapping>
- <filter-name>SecurityFilter</filter-name>
- <url-pattern>*.jsp</url-pattern>
- </filter-mapping>
- <filter-mapping>
- <filter-name>SecurityFilter</filter-name>
- <url-pattern>/app/*</url-pattern>
- </filter-mapping>
- <session-config>
- <session-timeout>30</session-timeout>
- </session-config>
- <error-page>
- <exception-type>java.lang.Exception</exception-type>
- <location>/500.html</location>
- </error-page>
- </web-app>
由于在没用Maven之前,我的spring配置文件——applicationContext.xml是放在WEB-INF根目录下的,在项目运行时都是正常的,重构成Maven项目之后,我的配置文件自然应该放在src下的resources文件夹下了,那么在web.xml中我自然将<init-param>中contextConfigLocation的参数值由WEB-INF/applicationContext.xml修改为classpath:applicationContext.xml了,那么启动tomcat之后依然报错,而且我们从报错信息中可以看出容器依然是在WEB-INF下去找applicationContext.xml,很明显这个文件的位置已经被我们改变了,而且我们也修改了web.xml的配置为何还要从这里去加载呢?原因是我们缺少另一个重要的配置。
解决问题
遇到问题盲目搜索往往不能迅速得到有效的解决方案,所以我们先从官方去寻找线索,看一看spring的官方文档,在The Web的章节中可以发现这样一段话:
简单翻译一下上图标记的小段落:如果不特意指定参数名为contextConfigLoction的<context-parameter>元素,那么spring的ContextLoderListener监听器就会在/WEB-INF/下去寻找并加载该目录下的名为applicationContext.xml这个文件。So,我们应该在web.xml中添加<context-param>标签并再次指定spring核心文件的位置:
- <context-param>
- <param-name>contextConfigLocation</param-name>
- <param-value>classpath:applicationContext.xml</param-value>
- </context-param>
- <?xml version="1.0" encoding="UTF-8"?>
- <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
- xmlns="http://java.sun.com/xml/ns/javaee"
- xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
- http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
- id="WebApp_ID" version="3.0">
- <display-name>xxybm</display-name>
- <context-param>
- <param-name>contextConfigLocation</param-name>
- <param-value>classpath:applicationContext.xml</param-value>
- </context-param>
- <listener>
- <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
- </listener>
- <servlet>
- <servlet-name>springMvc</servlet-name>
- <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
- <init-param>
- <param-name>contextConfigLocation</param-name>
- <param-value>classpath:applicationContext.xml</param-value>
- </init-param>
- <load-on-startup>2</load-on-startup>
- </servlet>
- <servlet-mapping>
- <servlet-name>springMvc</servlet-name>
- <url-pattern>/app/*</url-pattern>
- </servlet-mapping>
- <filter>
- <filter-name>SecurityFilter</filter-name>
- <filter-class>net.zhsz.util.LoginCheckFilter</filter-class>
- </filter>
- <filter-mapping>
- <filter-name>SecurityFilter</filter-name>
- <url-pattern>*.jsp</url-pattern>
- </filter-mapping>
- <filter-mapping>
- <filter-name>SecurityFilter</filter-name>
- <url-pattern>/app/*</url-pattern>
- </filter-mapping>
- <session-config>
- <session-timeout>30</session-timeout>
- </session-config>
- <error-page>
- <exception-type>java.lang.Exception</exception-type>
- <location>/500.html</location>
- </error-page>
- </web-app>
最后再次启动项目,运行正常,spring和springMVC均正常加载并初始化。之前在网上查的有人说修改路径,加星号,又是少jar包,答案千奇百怪,然后都无法解决问题,总之这篇blog希望能对遇到这个异常的朋友有所帮助,The End。
原文地址:http://blog.****.net/wlwlwlwl015/article/details/48134763
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