解决：IDEA导入Spring项目，org.xml.sax.SAXParseException: schema_reference.4: 无法读取方案文档 报错

最新推荐文章于 2022-10-10 16:29:01 发布
原创 最新推荐文章于 2022-10-10 16:29:01 发布 · 5.9k 阅读 · 3 ·
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本文档记录了在IDEA中导入Spring项目时遇到的org.xml.sax.SAXParseException错误，该错误可能是由于Spring jar版本不匹配或jar包无法查看导致。解决方案包括检查并匹配Spring版本，确保正确添加外部jar包到项目，以及解决tomcat启动冲突问题。通过调整项目设置和编辑启动配置，可以成功解决这些问题。

具体怎么导入看这个大佬的文章：

https://www.cnblogs.com/git-niu/p/7685886.html

这里只记录一点小小的问题

报错信息：

org.xml.sax.SAXParseException: schema_reference.4: 无法读取方案文档 'classpath:spring-beans-2.5.xsd', 原因为 1) 无法找到文档; 2) 无法读取文档; 3) 文档的根元素不是 <xsd:schema>。
	at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:203) ~[na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.warning(ErrorHandlerWrapper.java:99) ~[na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:392) [na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:306) [na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.impl.xs.traversers.XSDHandler.reportSchemaErr(XSDHandler.java:4158) [na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.impl.xs.traversers.XSDHandler.reportSchemaWarning(XSDHandler.java:4149) [na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.impl.xs.traversers.XSDHandler.getSchemaDocument1(XSDHandler.java:2491) [na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.impl.xs.traversers.XSDHandler.getSchemaDocument(XSDHandler.java:2193) [na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.impl.xs.traversers.XSDHandler.parseSchema(XSDHandler.java:578) [na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaLoader.loadSchema(XMLSchemaLoader.java:610) [na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.findSchemaGrammar(XMLSchemaValidator.java:2447) [na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.handleStartElement(XMLSchemaValidator.java:1768) [na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.startElement(XMLSchemaValidator.java:741) [na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartElement(XMLNSDocumentScannerImpl.java:374) [na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl$NSContentDriver.scanRootElementHook(XMLNSDocumentScannerImpl.java:613) [na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:3132) [na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$PrologDriver.next(XMLDocumentScannerImpl.java:852) [na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:602) [na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:112) [na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:505) [na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:842) [na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:771) [na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:141) [na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(DOMParser.java:243) [na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:339) [na:1.8.0_171]
	at org.springframework.beans.factory.xml.DefaultDocumentLoader.loadDocument(DefaultDocumentLoader.java:76) [spring-beans-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadDocument(XmlBeanDefinitionReader.java:429) [spring-beans-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:391) [spring-beans-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:336) [spring-beans-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:304) [spring-beans-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:181) [spring-beans-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:217) [spring-beans-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:188) [spring-beans-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:125) [spring-web-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:94) [spring-web-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:129) [spring-context-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:613) [spring-context-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:514) [spring-context-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:668) [spring-webmvc-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:634) [spring-webmvc-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:682) [spring-webmvc-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:553) [spring-webmvc-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:494) [spring-webmvc-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:136) [spring-webmvc-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at javax.servlet.GenericServlet.init(GenericServlet.java:158) [servlet-api.jar:3.1.FR]
	at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1144) [catalina.jar:8.5.32]
	at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1091) [catalina.jar:8.5.32]
	at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:983) [catalina.jar:8.5.32]
	at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4978) [catalina.jar:8.5.32]
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5290) [catalina.jar:8.5.32]
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) [catalina.jar:8.5.32]
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:754) [catalina.jar:8.5.32]
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:730) [catalina.jar:8.5.32]
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:734) [catalina.jar:8.5.32]
	at org.apache.catalina.startup.HostConfig.manageApp(HostConfig.java:1736) [catalina.jar:8.5.32]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_171]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_171]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_171]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_171]
	at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:300) [tomcat-coyote.jar:8.5.32]
	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819) [na:1.8.0_171]
	at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801) [na:1.8.0_171]
	at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:483) [catalina.jar:8.5.32]
	at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:432) [catalina.jar:8.5.32]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_171]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_171]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_171]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_171]
	at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:300) [tomcat-coyote.jar:8.5.32]
	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819) [na:1.8.0_171]
	at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801) [na:1.8.0_171]
	at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1468) [na:1.8.0_171]
	at javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:76) [na:1.8.0_171]
	at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1309) [na:1.8.0_171]
	at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1401) [na:1.8.0_171]
	at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:829) [na:1.8.0_171]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_171]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_171]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_171]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_171]
	at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:357) [na:1.8.0_171]
	at sun.rmi.transport.Transport$1.run(Transport.java:200) [na:1.8.0_171]
	at sun.rmi.transport.Transport$1.run(Transport.java:197) [na:1.8.0_171]
	at java.security.AccessController.doPrivileged(Native Method) [na:1.8.0_171]
	at sun.rmi.transport.Transport.serviceCall(Transport.java:196) [na:1.8.0_171]
	at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:573) [na:1.8.0_171]
	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:835) [na:1.8.0_171]
	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:688) [na:1.8.0_171]
	at java.security.AccessController.doPrivileged(Native Method) [na:1.8.0_171]
	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:687) [na:1.8.0_171]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[na:1.8.0_171]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[na:1.8.0_171]
	at java.lang.Thread.run(Thread.java:748) ~[na:1.8.0_171]
Caused by: java.io.FileNotFoundException: Unable to load the resource [classpath:spring-beans-2.5.xsd] using the thread context class loader or the current class's class loader
	at org.apache.catalina.webresources.ClasspathURLStreamHandler.openConnection(ClasspathURLStreamHandler.java:45) ~[catalina.jar:8.5.32]
	at java.net.URL.openConnection(URL.java:979) ~[na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.impl.XMLEntityManager.setupCurrentEntity(XMLEntityManager.java:621) ~[na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.impl.XMLVersionDetector.determineDocVersion(XMLVersionDetector.java:148) ~[na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.impl.xs.opti.SchemaParsingConfig.parse(SchemaParsingConfig.java:583) ~[na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.impl.xs.opti.SchemaParsingConfig.parse(SchemaParsingConfig.java:686) ~[na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.impl.xs.opti.SchemaDOMParser.parse(SchemaDOMParser.java:530) ~[na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.impl.xs.traversers.XSDHandler.getSchemaDocument(XSDHandler.java:2181) [na:1.8.0_171]
	... 85 common frames omitted
11:08:21.463 [RMI TCP Connection(3)-127.0.0.1] ERROR o.s.web.servlet.DispatcherServlet - Context initialization failed
org.springframework.beans.factory.xml.XmlBeanDefinitionStoreException: Line 10 in XML document from ServletContext resource [/WEB-INF/oamvc-servlet.xml] is invalid; nested exception is org.xml.sax.SAXParseException; lineNumber: 10; columnNumber: 38; cvc-elt.1: 找不到元素 'beans' 的声明。
	at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:399) ~[spring-beans-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:336) ~[spring-beans-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:304) ~[spring-beans-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:181) ~[spring-beans-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:217) ~[spring-beans-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:188) ~[spring-beans-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:125) ~[spring-web-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:94) ~[spring-web-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:129) ~[spring-context-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:613) ~[spring-context-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:514) ~[spring-context-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:668) ~[spring-webmvc-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:634) ~[spring-webmvc-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:682) ~[spring-webmvc-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:553) ~[spring-webmvc-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:494) ~[spring-webmvc-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:136) [spring-webmvc-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at javax.servlet.GenericServlet.init(GenericServlet.java:158) [servlet-api.jar:3.1.FR]
	at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1144) [catalina.jar:8.5.32]
	at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1091) [catalina.jar:8.5.32]
	at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:983) [catalina.jar:8.5.32]
	at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4978) [catalina.jar:8.5.32]
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5290) [catalina.jar:8.5.32]
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) [catalina.jar:8.5.32]
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:754) [catalina.jar:8.5.32]
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:730) [catalina.jar:8.5.32]
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:734) [catalina.jar:8.5.32]
	at org.apache.catalina.startup.HostConfig.manageApp(HostConfig.java:1736) [catalina.jar:8.5.32]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_171]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_171]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_171]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_171]
	at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:300) [tomcat-coyote.jar:8.5.32]
	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819) [na:1.8.0_171]
	at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801) [na:1.8.0_171]
	at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:483) [catalina.jar:8.5.32]
	at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:432) [catalina.jar:8.5.32]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_171]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_171]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_171]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_171]
	at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:300) [tomcat-coyote.jar:8.5.32]
	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819) [na:1.8.0_171]
	at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801) [na:1.8.0_171]
	at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1468) [na:1.8.0_171]
	at javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:76) [na:1.8.0_171]
	at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1309) [na:1.8.0_171]
	at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1401) [na:1.8.0_171]
	at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:829) [na:1.8.0_171]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_171]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_171]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_171]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_171]
	at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:357) [na:1.8.0_171]
	at sun.rmi.transport.Transport$1.run(Transport.java:200) [na:1.8.0_171]
	at sun.rmi.transport.Transport$1.run(Transport.java:197) [na:1.8.0_171]
	at java.security.AccessController.doPrivileged(Native Method) [na:1.8.0_171]
	at sun.rmi.transport.Transport.serviceCall(Transport.java:196) [na:1.8.0_171]
	at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:573) [na:1.8.0_171]
	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:835) [na:1.8.0_171]
	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:688) [na:1.8.0_171]
	at java.security.AccessController.doPrivileged(Native Method) [na:1.8.0_171]
	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:687) [na:1.8.0_171]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[na:1.8.0_171]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[na:1.8.0_171]
	at java.lang.Thread.run(Thread.java:748) ~[na:1.8.0_171]
Caused by: org.xml.sax.SAXParseException: cvc-elt.1: 找不到元素 'beans' 的声明。
	at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:203) ~[na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.error(ErrorHandlerWrapper.java:134) ~[na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:396) ~[na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:327) ~[na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:284) ~[na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.handleStartElement(XMLSchemaValidator.java:1901) ~[na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.startElement(XMLSchemaValidator.java:741) ~[na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartElement(XMLNSDocumentScannerImpl.java:374) ~[na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl$NSContentDriver.scanRootElementHook(XMLNSDocumentScannerImpl.java:613) ~[na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:3132) ~[na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$PrologDriver.next(XMLDocumentScannerImpl.java:852) ~[na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:602) ~[na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:112) ~[na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:505) ~[na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:842) ~[na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:771) ~[na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:141) ~[na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(DOMParser.java:243) ~[na:1.8.0_171]
	at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:339) ~[na:1.8.0_171]
	at org.springframework.beans.factory.xml.DefaultDocumentLoader.loadDocument(DefaultDocumentLoader.java:76) ~[spring-beans-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadDocument(XmlBeanDefinitionReader.java:429) ~[spring-beans-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:391) ~[spring-beans-4.3.5.RELEASE.jar:4.3.5.RELEASE]
	... 65 common frames omitted
[2018-12-10 11:08:21,514] Artifact group-center-dd:war exploded: Artifact is deployed successfully
[2018-12-10 11:08:21,515] Artifact group-center-dd:war exploded: Deploy took 7,334 milliseconds
11:08:22.969 [http-nio-8080-exec-1] DEBUG o.s.jdbc.core.JdbcTemplate - Executing SQL query [select csdm,csz from t_sys_para where yxbz=1]
11:08:22.978 [http-nio-8080-exec-1] DEBUG o.s.jdbc.core.JdbcTemplate - Executing SQL query [select csdm,csz from t_sys_para where yxbz=1]
11:08:22.985 [http-nio-8080-exec-1] DEBUG o.s.jdbc.core.JdbcTemplate - Executing SQL query [select csdm,csz from t_sys_para where yxbz=1]
11:08:22.997 [http-nio-8080-exec-3] DEBUG o.s.jdbc.core.JdbcTemplate - Executing SQL query [select csdm,csz from t_sys_para where yxbz=1]
11:08:22.997 [http-nio-8080-exec-3] DEBUG o.s.jdbc.core.JdbcTemplate - Executing SQL query [select csdm,csz from t_sys_para where yxbz=1]
11:08:22.999 [http-nio-8080-exec-3] DEBUG o.s.jdbc.core.JdbcTemplate - Executing SQL query [select csdm,csz from t_sys_para where yxbz=1]
11:08:23.147 [http-nio-8080-exec-2] DEBUG o.s.jdbc.core.JdbcTemplate - Executing SQL query [select csdm,csz from t_sys_para where yxbz=1]
11:08:23.148 [http-nio-8080-exec-2] DEBUG o.s.jdbc.core.JdbcTemplate - Executing SQL query [select csdm,csz from t_sys_para where yxbz=1]
11:08:23.149 [http-nio-8080-exec-2] DEBUG o.s.jdbc.core.JdbcTemplate - Executing SQL query [select csdm,csz from t_sys_para where yxbz=1]

报这个错的原因很多，

可能是因为Spring 的 jar包与配置版本不匹配，比如：

<?xml version="1.0" encoding="UTF-8" ?>
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns:p="http://www.springframework.org/schema/p" xmlns:context="http://www.springframework.org/schema/context"
	xmlns:tx="http://www.springframework.org/schema/tx"
	xsi:schemaLocation="http://www.springframework.org/schema/beans 
		classpath:spring-beans-2.5.xsd
		http://www.springframework.org/schema/tx 
		classpath:spring-tx-2.5.xsd
		http://www.springframework.org/schema/context 
		classpath:spring-context-2.5.xsd">

看到有人也遇到这个错，直接粘过来了：

改一下就行了，很easy；

但是也有可能是因为下面这个问题，找不到jar包但是

问题2：jar包无法查看：

正常操作应该是这样的：

但是我这显示的是：

无法读取jar包；

原因：引用外部jar包未编译；

解决：

打开设置页面，点那个绿色的加号，

在弹出的页面加入需要引用的外部jar包；

确定，apply，确定，

等待项目编译完成就好了；

 

问题3：tomcat启动冲突

正常的tomcat图标是这样的：

但是我的图标居然是这样的：

先解决这个问题，这是因为我们在配置启动类的时候出了点小问题，项目配置冲突了：

点击那个小铅笔之后进入编辑页面：

这样tomcat启动冲突的问题就解决了；

 

 

 

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