面临org.xml.sax.SAXParseException

Question

这是web.xml文件

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration SYSTEM 
"http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
<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>Restful Web Application</display-name>
<servlet>
<servlet-name>jersey-helloworld-serlvet</servlet-name>
<servlet-class>
com.sun.jersey.spi.container.servlet.ServletContainer
</servlet-class>
<init-param>
<param-name>com.sun.jersey.config.property.packages</param-name>
<param-value>com.javacodegeeks.enterprise.rest.jersey</param-value>
</init-param>
</servlet>
<servlet-mapping>
<servlet-name>jersey-helloworld-serlvet</servlet-name>
<url-pattern>/rest/*</url-pattern>
</servlet-mapping>
</web-app>
<hibernate-configuration>
<session-factory>
<property name="hibernate.dialect">
org.hibernate.dialect.MySQLDialect
</property>
<property name="hibernate.connection.driver_class">
com.mysql.jdbc.Driver
</property>
<!-- Assume students is the database name -->
<property name="hibernate.connection.url">
jdbc:mysql://localhost:3306/test
</property>
<property name="hibernate.connection.username">
root
</property>
<property name="hibernate.connection.password">
root
</property>
</session-factory>
</hibernate-configuration>

这就是我面临的错误：

严重：第21行第2列出现解析致命错误：根元素后面的文档中的标记必须格式正确。org.xml.sax.SAXParseException；systemId:jndi:/localhost/JAXRS HelloWorld/WEB-INF/WEB.xml；行号：21；列数：2；文档中根元素后面的标记必须格式正确。com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException（未知源）com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.fatalError（未知源）com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError（未知源）com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError（未知源）com.sun.org.apache.xerces.internal.impl.XMLScanner.reportFatalError（未知源）com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$trailingMisDriver.next（未知源）com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next（未知源）com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument（未知源）com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse（未知源）com.sun.org.apache.xerces.parsers.XML11Configuration.parse（未知源）com.sun.org.apache.xerces.internal.parsers.XMLParser.parse（未知源）com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse（未知源）com.sun.org.apache.xerces.internal.jaxp.saxparser.parse（未知源）org.apache.tomcat.util.digester.digester.parse（digester.java:1537）org.apache.catalina.startup.ContextConfig.parseWebXml（ContextConfig.java:1890）org.apache.catalina.startup.ContextConfig.webConfig（ContextConfig.java:1259）org.apache.catalina.startup.ContextConfig.configureStart（ContextConfig.java:878）org.apache.catalina.startup.ContextConfig.lifecycleEvent（ContextConfig.java:369）在org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent（LifecycleSupport.java:119）在org.apache.catalina.util.LifecycleBase.fireLifecycleEvent（LifecycleBase.java:90）在org.apache.catalina.core.StandardContext.startInternal（StandardContext.java:5269）在org.apache.catalina.util.LifecycleBase.start（LifecycleBase.java:150）上org.apache.catalina.core.ContainerBase$StartChild.call（ContainerBase.java:1559）org.apache.catalina.core.ContainerBase$StartChild.call（ContainerBase.java:1549）java.util.concurrent.FutureTask.run（未知源代码）java.util.concurrent.ThreadPoolExecutor.runWorker（未知源代码）java.util.concurrent.ThreadPoolExecutor$Worker.run（未知源）位于java.lang.Thread.run（未知源）

2015年3月30日11:27:38 PM org.apache.catalina.startup.ContextConfig parseWebXml严重：jndi:/localhost/JAXRS HelloWorld/web-INF/web.xml org.xml.sax.SAXParseException处的应用程序web.xml文件中出现解析错误；systemId:jndi:/localhost/JAXRS HelloWorld/WEB-INF/WEB.xml；行号：21；列数：2；文档中根元素后面的标记必须格式正确。com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException（未知源）com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.fatalError（未知源）com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError（未知源）com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError（未知源）com.sun.org.apache.xerces.internal.impl.XMLScanner.reportFatalError（未知源）com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$trailingMisDriver.next（未知源）com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next（未知源）com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument（未知源）com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse（未知源）com.sun.org.apache.xerces.parsers.XML11Configuration.parse（未知源）com.sun.org.apache.xerces.internal.parsers.XMLParser.parse（未知源）com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse（未知源）com.sun.org.apache.xerces.internal.jaxp.saxparser.parse（未知源）org.apache.tomcat.util.digester.digester.parse（digester.java:1537）org.apache.catalina.startup.ContextConfig.parseWebXml（ContextConfig.java:1890）org.apache.catalina.startup.ContextConfig.webConfig（ContextConfig.java:1259）org.apache.catalina.startup.ContextConfig.configureStart（ContextConfig.java:878）org.apache.catalina.startup.ContextConfig.lifecycleEvent（ContextConfig.java:369）在org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent（LifecycleSupport.java:119）在org.apache.catalina.util.LifecycleBase.fireLifecycleEvent（LifecycleBase.java:90）在org.apache.catalina.core.StandardContext.startInternal（StandardContext.java:5269）在org.apache.catalina.util.LifecycleBase.start（LifecycleBase.java:150）上org.apache.catalina.core.ContainerBase$StartChild.call（ContainerBase.java:1559）org.apache.catalina.core.ContainerBase$StartChild.call（ContainerBase.java:1549）java.util.concurrent.FutureTask.run（未知源代码）java.util.concurrent.ThreadPoolExecutor.runWorker（未知源代码）java.util.concurrent.ThreadPoolExecutor$Worker.run（未知源）位于java.lang.Thread.run（未知源）

Answer 1

每当遇到org.xml.sax.SAXParseException类型的异常时，最好从验证xml开始。当您希望通过上传或粘贴文本来验证xml文件时，此站点非常方便。

Answer 2

您的（基本XML）解析错误来自两个根标记（

看起来您只是简单地收集了两个XML配置文件的内容，但它不是这样工作的。如注释中所述，webapp配置必须在web.xml中设置，而Hibernate通常在Hibernate.cfg.xml中设置。