Unable to locate the default servlet for serving static content. Please set the 'defaultServletName'

大家好，我是烤鸭。

今天分享一个莫名其妙的异常及解决方式。

环境：

tomcat6

jdk 1.6

异常主体：

java.lang.IllegalStateException: Unable to locate the default servlet for serving static content. Please set the 'defaultServletName' property explicitly.

SEVERE: StandardWrapper.Throwable
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.web.servlet.resource.DefaultServletHttpRequestHandler#0': Initialization of bean failed; nested exception is java.lang.IllegalStateException: Unable to locate the default servlet for serving static content. Please set the 'defaultServletName' property explicitly.at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:547)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:475)at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:302)at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228)at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:298)at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193)at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:706)at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:762)at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:482)at org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:658)at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:624)at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:672)at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:543)at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:484)at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:136)at javax.servlet.GenericServlet.init(GenericServlet.java:212)at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1213)at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1026)at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4421)at org.apache.catalina.core.StandardContext.start(StandardContext.java:4734)at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057)at org.apache.catalina.core.StandardHost.start(StandardHost.java:840)at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057)at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:463)at org.apache.catalina.core.StandardService.start(StandardService.java:525)at org.apache.catalina.core.StandardServer.start(StandardServer.java:754)at org.apache.catalina.startup.Catalina.start(Catalina.java:595)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:289)at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
Caused by: java.lang.IllegalStateException: Unable to locate the default servlet for serving static content. Please set the 'defaultServletName' property explicitly.at org.springframework.web.servlet.resource.DefaultServletHttpRequestHandler.setServletContext(DefaultServletHttpRequestHandler.java:106)at org.springframework.web.context.support.ServletContextAwareProcessor.postProcessBeforeInitialization(ServletContextAwareProcessor.java:103)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsBeforeInitialization(AbstractAutowireCapableBeanFactory.java:407)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1546)at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539)... 32 more
Mar 27, 2018 9:46:50 AM org.apache.catalina.core.StandardContext loadOnStartup

这是公司的一个旧项目，代码几年都没人动过。莫名奇妙就崩了。tomcat重启之后一直报这个错。

tomcat启动了，但是一访问还是报上面相同的错误。

百度也没有什么好的解决方式，毕竟项目几年没人动过，也不可能是项目的问题。

1. 试着清理tomcat/work下所有的东西，包括catalina等文件夹。

2. 检查web.xml和springmvc.xml

网上有的说添加静态映射servlet-name和servlet-mapping,url-pattern是/static/*。

在springmvc.xml的<mvc:default hander >添加指定servlet的name。

3. 以上的方式都试了，还是一样的错误。这时候就不要犹豫了。8成是tomcat的问题。

由于官网已经不提供tomcat6的下载，果断下了tomcat7，把tomcat6的server.xml复制过来,

webapps下的项目也复制一份。jdk从 1.6 升级到 1.7。这回没有上面的问题了。

4. 由于是旧项目，我们都没有代码。可以把服务器上的webapps下的项目copy到本地tomcat的webapps

目录下，本地跑一下试试。如果本地没问题，那就是tomcat的问题，果断换tomcat。

5. 如果换了tomcat还是起不来，就考虑是服务器环境的问题，不排除软件或者硬件（硬盘）的问题。

解决问题的顺序是1——>5。

1不行，换2，以此类推。

因为百度的相关问题太少，就做个记录。不一定符合所有人的情况。

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Unable to locate the default servlet for serving static content. Please set the 'defaultServletName'

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