首个springmvc入门案例报错

HTTP Status 500 – Internal Server Error
Type 异常报告

消息 Servlet.init() for servlet [dispatcherServlet] threw exception

描述 服务器遇到一个意外的情况,阻止它完成请求。

Exception

javax.servlet.ServletException: Servlet.init() for servlet [dispatcherServlet] threw exception
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:688)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:373)
org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
org.apache.coyote.AbstractProtocol C o n n e c t i o n H a n d l e r . p r o c e s s ( A b s t r a c t P r o t o c o l . j a v a : 868 ) o r g . a p a c h e . t o m c a t . u t i l . n e t . N i o E n d p o i n t ConnectionHandler.process(AbstractProtocol.java:868) org.apache.tomcat.util.net.NioEndpoint ConnectionHandler.process(AbstractProtocol.java:868)org.apache.tomcat.util.net.NioEndpointSocketProcessor.doRun(NioEndpoint.java:1594)
org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
java.base/java.util.concurrent.ThreadPoolExecutor W o r k e r . r u n ( T h r e a d P o o l E x e c u t o r . j a v a : 628 ) o r g . a p a c h e . t o m c a t . u t i l . t h r e a d s . T a s k T h r e a d Worker.run(ThreadPoolExecutor.java:628) org.apache.tomcat.util.threads.TaskThread Worker.run(ThreadPoolExecutor.java:628)org.apache.tomcat.util.threads.TaskThreadWrappingRunnable.run(TaskThread.java:61)
java.base/java.lang.Thread.run(Thread.java:834)
Root Cause

org.springframework.beans.factory.xml.XmlBeanDefinitionStoreException: Line 57 in XML document from class path resource [springmvc.xml] is invalid; nested exception is org.xml.sax.SAXParseException; lineNumber: 57; columnNumber: 55; cvc-complex-type.2.4.c: 通配符的匹配很全面, 但无法找到元素 ‘context:component-scan’ 的声明。
org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:398)
org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:335)
org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:303)
org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:187)
org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:223)
org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:194)
org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:125)
org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:94)
org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:133)
org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:620)
org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:521)
org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:676)
org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:642)
org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:690)
org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:558)
org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:499)
org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:172)
javax.servlet.GenericServlet.init(GenericServlet.java:158)
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:688)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:373)
org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
org.apache.coyote.AbstractProtocol C o n n e c t i o n H a n d l e r . p r o c e s s ( A b s t r a c t P r o t o c o l . j a v a : 868 ) o r g . a p a c h e . t o m c a t . u t i l . n e t . N i o E n d p o i n t ConnectionHandler.process(AbstractProtocol.java:868) org.apache.tomcat.util.net.NioEndpoint ConnectionHandler.process(AbstractProtocol.java:868)org.apache.tomcat.util.net.NioEndpointSocketProcessor.doRun(NioEndpoint.java:1594)
org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
java.base/java.util.concurrent.ThreadPoolExecutor W o r k e r . r u n ( T h r e a d P o o l E x e c u t o r . j a v a : 628 ) o r g . a p a c h e . t o m c a t . u t i l . t h r e a d s . T a s k T h r e a d Worker.run(ThreadPoolExecutor.java:628) org.apache.tomcat.util.threads.TaskThread Worker.run(ThreadPoolExecutor.java:628)org.apache.tomcat.util.threads.TaskThreadWrappingRunnable.run(TaskThread.java:61)
java.base/java.lang.Thread.run(Thread.java:834)
Root Cause

org.xml.sax.SAXParseException; lineNumber: 57; columnNumber: 55; cvc-complex-type.2.4.c: 通配符的匹配很全面, 但无法找到元素 ‘context:component-scan’ 的声明。
java.xml/com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:204)
java.xml/com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.error(ErrorHandlerWrapper.java:135)
java.xml/com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:396)
java.xml/com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:327)
java.xml/com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:284)
java.xml/com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator X S I E r r o r R e p o r t e r . r e p o r t E r r o r ( X M L S c h e m a V a l i d a t o r . j a v a : 511 ) j a v a . x m l / c o m . s u n . o r g . a p a c h e . x e r c e s . i n t e r n a l . i m p l . x s . X M L S c h e m a V a l i d a t o r . r e p o r t S c h e m a E r r o r ( X M L S c h e m a V a l i d a t o r . j a v a : 3587 ) j a v a . x m l / c o m . s u n . o r g . a p a c h e . x e r c e s . i n t e r n a l . i m p l . x s . X M L S c h e m a V a l i d a t o r . h a n d l e S t a r t E l e m e n t ( X M L S c h e m a V a l i d a t o r . j a v a : 2143 ) j a v a . x m l / c o m . s u n . o r g . a p a c h e . x e r c e s . i n t e r n a l . i m p l . x s . X M L S c h e m a V a l i d a t o r . e m p t y E l e m e n t ( X M L S c h e m a V a l i d a t o r . j a v a : 849 ) j a v a . x m l / c o m . s u n . o r g . a p a c h e . x e r c e s . i n t e r n a l . i m p l . X M L N S D o c u m e n t S c a n n e r I m p l . s c a n S t a r t E l e m e n t ( X M L N S D o c u m e n t S c a n n e r I m p l . j a v a : 351 ) j a v a . x m l / c o m . s u n . o r g . a p a c h e . x e r c e s . i n t e r n a l . i m p l . X M L D o c u m e n t F r a g m e n t S c a n n e r I m p l XSIErrorReporter.reportError(XMLSchemaValidator.java:511) java.xml/com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.reportSchemaError(XMLSchemaValidator.java:3587) java.xml/com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.handleStartElement(XMLSchemaValidator.java:2143) java.xml/com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.emptyElement(XMLSchemaValidator.java:849) java.xml/com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartElement(XMLNSDocumentScannerImpl.java:351) java.xml/com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl XSIErrorReporter.reportError(XMLSchemaValidator.java:511)java.xml/com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.reportSchemaError(XMLSchemaValidator.java:3587)java.xml/com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.handleStartElement(XMLSchemaValidator.java:2143)java.xml/com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.emptyElement(XMLSchemaValidator.java:849)java.xml/com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartElement(XMLNSDocumentScannerImpl.java:351)java.xml/com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImplFragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2710)
java.xml/com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:605)
java.xml/com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:112)
java.xml/com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:534)
java.xml/com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:888)
java.xml/com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:824)
java.xml/com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:141)
java.xml/com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(DOMParser.java:246)
java.xml/com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:339)
org.springframework.beans.factory.xml.DefaultDocumentLoader.loadDocument(DefaultDocumentLoader.java:77)
org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadDocument(XmlBeanDefinitionReader.java:428)
org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:390)
org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:335)
org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:303)
org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:187)
org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:223)
org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:194)
org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:125)
org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:94)
org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:133)
org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:620)
org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:521)
org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:676)
org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:642)
org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:690)
org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:558)
org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:499)
org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:172)
javax.servlet.GenericServlet.init(GenericServlet.java:158)
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:688)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:373)
org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
org.apache.coyote.AbstractProtocol C o n n e c t i o n H a n d l e r . p r o c e s s ( A b s t r a c t P r o t o c o l . j a v a : 868 ) o r g . a p a c h e . t o m c a t . u t i l . n e t . N i o E n d p o i n t ConnectionHandler.process(AbstractProtocol.java:868) org.apache.tomcat.util.net.NioEndpoint ConnectionHandler.process(AbstractProtocol.java:868)org.apache.tomcat.util.net.NioEndpointSocketProcessor.doRun(NioEndpoint.java:1594)
org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
java.base/java.util.concurrent.ThreadPoolExecutor W o r k e r . r u n ( T h r e a d P o o l E x e c u t o r . j a v a : 628 ) o r g . a p a c h e . t o m c a t . u t i l . t h r e a d s . T a s k T h r e a d Worker.run(ThreadPoolExecutor.java:628) org.apache.tomcat.util.threads.TaskThread Worker.run(ThreadPoolExecutor.java:628)org.apache.tomcat.util.threads.TaskThreadWrappingRunnable.run(TaskThread.java:61)
java.base/java.lang.Thread.run(Thread.java:834)
):注意 主要问题的全部 stack 信息可以在 server logs 里查看

Apache Tomcat/9.0.33

解决方案:springmvc.xml文件的

schemaLocation的

http://www.springframework.org/schema/spring-context.xsd

这里少写了/context。

完整的是:http://www.springframework.org/schema/context/spring-context.xsd

我就是不爱负责别人的,我就是爱找错,我自虐,我活该,哈哈。

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