Tomcat 无法读取架构文档
我们正在尝试为当前项目添加 DWR，执行此操作的代码如下：
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:dwr="http://www.directwebremoting.org/schema/spring-dwr"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd
http://www.directwebremoting.org/schema/spring-dwr
http://www.directwebremoting.org/schema/spring-dwr/spring-dwr-3.0.xsd">
<context:annotation-config />
<dwr:configuration />
<dwr:annotation-config />
<dwr:url-mapping />
<dwr:controller id="dwrController" debug="true" >
<dwr:config-param name="activeReverseAjaxEnabled" value="true"/>
</dwr:controller>
但是添加 DWR 相关内容后，添加
org.springframework.beans.factory.xml.XmlBeanDefinitionStoreException: Line 24 in XML document from ServletContext resource [/WEB-INF/spring/webmvc-config.xml] is invalid; nested exception is org.xml.sax.SAXParseException; lineNumber: 24; columnNumber: 26; cvc-complex-type.2.4.c: The matching wildcard is strict, but no declaration can be found for element 'dwr:configuration'.
org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:396)
org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:334)
org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:302)
org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:143)
org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:178)
org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:149)
org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:124)
org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:93)
org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:130)
org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:458)
org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:388)
org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:443)
org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:459)
org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:340)
org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:307)
org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:127)
javax.servlet.GenericServlet.init(GenericServlet.java:212)
org.tuckey.web.filters.urlrewrite.NormalRewrittenUrl.doRewrite(NormalRewrittenUrl.java:195)
org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:159)
org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:141)
org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:90)
org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:417)
org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:71)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:344)
org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:110)
org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:98)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:95)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:79)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:55)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:36)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:188)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:106)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:80)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
org.springframework.security.web.session.ConcurrentSessionFilter.doFilter(ConcurrentSessionFilter.java:108)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:150)
org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:237)
org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:167)
org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter.doFilterInternal(OpenEntityManagerInViewFilter.java:113)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
root cause
org.xml.sax.SAXParseException; lineNumber: 24; columnNumber: 26; cvc-complex-type.2.4.c: The matching wildcard is strict, but no declaration can be found for element 'dwr:configuration'.
com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:198)
com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.error(ErrorHandlerWrapper.java:134)
com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:437)
com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:368)
com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:325)
com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator$XSIErrorReporter.reportError(XMLSchemaValidator.java:449)
com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.reportSchemaError(XMLSchemaValidator.java:3228)
com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.handleStartElement(XMLSchemaValidator.java:1908)
com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.emptyElement(XMLSchemaValidator.java:757)
com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartElement(XMLNSDocumentScannerImpl.java:353)
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2715)
com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:607)
com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:116)
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:488)
com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:835)
com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:764)
com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:123)
com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(DOMParser.java:240)
com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:300)
org.springframework.beans.factory.xml.DefaultDocumentLoader.loadDocument(DefaultDocumentLoader.java:75)
org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:388)
org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:334)
org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:302)
org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:143)
org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:178)
org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:149)
org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:124)
org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:93)
org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:130)
org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:458)
org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:388)
org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:443)
org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:459)
org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:340)
org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:307)
org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:127)
javax.servlet.GenericServlet.init(GenericServlet.java:212)
org.tuckey.web.filters.urlrewrite.NormalRewrittenUrl.doRewrite(NormalRewrittenUrl.java:195)
org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:159)
org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:141)
org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:90)
org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:417)
org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:71)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:344)
org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:110)
org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:98)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:95)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:79)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:55)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:36)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:188)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:106)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:80)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
org.springframework.security.web.session.ConcurrentSessionFilter.doFilter(ConcurrentSessionFilter.java:108)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:356)
org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:150)
org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:237)
org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:167)
org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter.doFilterInternal(OpenEntityManagerInViewFilter.java:113)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
在分析错误并查看 Tomcat 日志时，Tomcat 似乎无法读取架构文档，但这仅在它尝试在 DWR 架构上执行此操作时才会发生[ IE。， http://www.directwebremoting.org/schema/spring -dwr/spring-dwr-3.0.xsd] 并抛出如下异常：
[24 Feb 2012 17:02:17,272] WARN [http-8040-1] org.springframework.beans.factory.xml.XmlBeanDefinitionReader - Ignored X
ML validation warning
org.xml.sax.SAXParseException; lineNumber: 24; columnNumber: 26; schema_reference.4: Failed to read schema document 'htt
p://www.directwebremoting.org/schema/spring-dwr/spring-dwr-3.0.xsd', because 1) could not find the document; 2) the docu
ment could not be read; 3) the root element of the document is not <xsd:schema>.
我尝试通过谷歌搜索并查看堆栈溢出的答案。流行的答案来自以下站点，指出它是类路径问题。
<一href="https://stackoverflow.com/questions/4437769/why-isnt-the-spring-aop-xml-schema-properly-loaded-when-tomcat-loads-reads-be">为什么不是 Spring Tomcat 加载时正确加载 AOP XML 模式读取 beans.xml
让我认为这不是类路径问题的是，当我尝试在家运行时，同一个程序运行得非常好。即，Tomcat 能够访问和解析 dwr 模式，这在我看来是防火墙或代理问题。确实，我们通过公司的代理访问互联网。但我可以从浏览器完美访问所有 DWR 模式。
这是代理问题吗？如果是这样，如何将代理添加到 Tomcat 的配置中。更重要的是，我很困惑为什么只有 DWR 模式无法访问，而 w3.org 和 spring.org 模式却完美工作。 如果我对技术方面的理解有缺陷，请指出。
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一年前我遇到了 DWR XML Schema 问题（版本 3.0 M1）。他们把 spring-dwr-2.0.xsd 和 spring-dwr-3.0.xsd 搞得一团糟，并且没有在 jar 中添加 3.0 xsd 的 spring.schema 位置。 ——愿你也有同样的问题。但首先请确保正确部署
dwr.jar！如果
dwr.jar不包含包含以下行的文件META-INF\spring.schemas：那么我的解决方案将为您提供帮助。 （如果
dwr.jar包含该行，则问题是另一个问题。）为了解决该问题，我创建了一个新的 jar (
dwr-xsd .jar）文件，其中包含两个 xsd 文件和一个spring.schemas文件。要构建这样的 jar：
下载 2 个 dwr xsd jar（
spring-dwr-2.0.xsd和spring-dwr-3.0.xsd）并将它们放入包中 < code>org.directwebremoting.spring然后将此
spring.schemas文件添加到META-INF目录中：（该文件必须并带有一行中断！ - 我无法使其在 SO 中可见）
不要将
dwr-xsd.jar和dwr.jar添加到您的应用程序中。I run in a DWR XML Scheme problem one year ago (version 3.0 M1). They make a mess of
spring-dwr-2.0.xsdandspring-dwr-3.0.xsdand did not add the spring.schema location for 3.0 xsd in ther jar. -- May you have the same problem. But first make sure that you deploy thedwr.jarcorrect!If the
dwr.jardoes not contain a fileMETA-INF\spring.schemasthat contains the line:then my solution will help you. (If the
dwr.jarcontains that line, then the problem is an other one.)To solved the problem, I created a new jar (
dwr-xsd.jar) file that contains the two xsd files and aspring.schemasfile.To build such an jar:
download the 2 dwr xsd jars (
spring-dwr-2.0.xsdandspring-dwr-3.0.xsd) and put them in the packageorg.directwebremoting.springThen add this
spring.schemasfile to theMETA-INFdirectory:(The file must and with an line break! - I can not make it visible in SO)
No add
dwr-xsd.jaranddwr.jarto your application.拉尔夫：我尝试了你的解决方案，正如你一开始所说的那样，一切似乎都正常，即 spring.schemas 已正确映射。但很快我发现版本号有问题。只是描述整个事情，这样对其他人也有用。
我在（DWR模式有效）和没有互联网（不起作用）连接的情况下尝试了相同的操作，这使我在SO中进行了下面的讨论，这对于您的答案也很有用。
没有互联网连接时 Spring schemaLocation 失败
我首先看到映射不正确，我更改了 DWR 的 XML 中的 beans 定义，如下所示：
从现有的：
所以有两个问题
#1 的原因似乎是META-INF 中的 spring.schemas 文件以这种方式映射
对于第 2 点，基本上是 DWR jar 文件（名为 dwr-3.0.M1.jar），尽管其版本显示为 3.0 仅包含 2.0 版本的 xsd 并且具有适当的映射因此，当我更改它时，它可以离线工作[虽然我还没有检查防火墙的办公网络，但我认为当它可以找到内容时，它不会尝试从网上获取内容。离线]。
非常感谢您的回答
Ralph: I tried your solution, and everything seemed OK as you said in the beginning ie., spring.schemas was mapped correctly. But soon I found that version number is a problem. Just describing the whole thing so it could be useful for others too.
I tried the same with (DWR schema works) and without internet (does not work) connection which led me to the below discussion in SO and which was also useful along with your answer.
Spring schemaLocation fails when there is no internet connection
I saw the mapping was incorrect firstly and I changed the beans definition in the XML for DWR as follows:
from the existing:
So there are two problems
The reason for #1 seems to be the spring.schemas file in META-INF is mapped this way
For point #2, basically the DWR jar file (named as dwr-3.0.M1.jar) though its version says as 3.0 contains only 2.0 version of xsd and has the appropriate mapping in spring.schemas. So when I changed it worked offline [though I am yet to check on the fire-walled office network. But I think it will not try to fetch from online when it can find the content offline].
Thanks so much for the answer
可能不是你的情况。但在这种情况下，请进行清理并重新构建。原因是如果这两个 jar 退出，就会从那里获取旧的 spring jar 和 xsd。希望对其他人有帮助......一般来说，由于多种原因会引发此异常。
Probably not a case with yours. But in such a scenario, do clean and make a fresh build. Reason being the older spring jar and xsd from there would be taken if the two jars exits. Hope that helps for other guys .... generically this exception will be thrown for many reasons.