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java - Jetty 应用程序抛出 SaxParseException

转载 作者：行者123 更新时间：2023-12-01 12:20:26 28 4
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我正在尝试在 Mac OS X 10.10 中运行基本的 Jetty 应用程序。我正在关注这个例子 - http://www.codeproject.com/Articles/128145/Run-Jetty-Web-Server-Within-Your-Application .

由于系统使用JRE 6，所以我使用Jetty 8。完成所有操作后，当我运行应用程序时，按钮正常，单击它会显示以下日志消息中的前两行(红色，看起来像对我来说就像一个错误，即使没有显示错误消息)。但是，当我打开网页 http://localhost:8585/runJetty/ 时，我将其余行视为错误，并且网页显示 Error 500 > 消息 - 访问/runJetty/时出现问题。原因:服务器故障

    2014-11-02 21:49:31.388:INFO:oejs.Server:jetty-8.1.16.v20140903
2014-11-02 21:49:32.398:INFO:oejs.AbstractConnector:Started SelectChannelConnector@0.0.0.0:8585
2014-11-02 21:49:59.100:WARN:oejs.ServletHandler:
org.apache.jasper.JasperException: /page/index.jsp(2,43) PWC6212: equal symbol expected
    at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:81)
    at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:376)
    at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:133)
    at org.apache.jasper.compiler.Parser.parseAttribute(Parser.java:253)
    at org.apache.jasper.compiler.Parser.parseAttributes(Parser.java:203)
    at org.apache.jasper.compiler.Parser.parseAttributes(Parser.java:216)
    at org.apache.jasper.compiler.ParserController.getPageEncodingForJspSyntax(ParserController.java:517)
    at org.apache.jasper.compiler.ParserController.determineSyntaxAndEncoding(ParserController.java:460)
    at org.apache.jasper.compiler.ParserController.doParse(ParserController.java:215)
    at org.apache.jasper.compiler.ParserController.parse(ParserController.java:145)
    at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:212)
    at org.apache.jasper.compiler.Compiler.compile(Compiler.java:451)
    at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:625)
    at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:492)
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:378)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
    at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:684)
    at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:503)
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
    at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:575)
    at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
    at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086)
    at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:429)
    at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
    at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020)
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
    at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:276)
    at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:103)
    at org.eclipse.jetty.servlet.DefaultServlet.doGet(DefaultServlet.java:572)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:735)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
    at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:684)
    at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:503)
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
    at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:557)
    at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
    at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086)
    at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:429)
    at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
    at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020)
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
    at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:255)
    at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
    at org.eclipse.jetty.server.Server.handle(Server.java:370)
    at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:494)
    at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:971)
    at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:1033)
    at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:644)
    at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
    at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
    at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:696)
    at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:53)
    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)
    at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)
    at java.lang.Thread.run(Thread.java:695)
2014-11-02 21:49:59.103:WARN:oejs.ServletHandler:/runJetty/
org.apache.jasper.JasperException: /page/index.jsp(2,43) PWC6212: equal symbol expected
    at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:81)
    at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:376)
    at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:133)
    at org.apache.jasper.compiler.Parser.parseAttribute(Parser.java:253)
    at org.apache.jasper.compiler.Parser.parseAttributes(Parser.java:203)
    at org.apache.jasper.compiler.Parser.parseAttributes(Parser.java:216)
    at org.apache.jasper.compiler.ParserController.getPageEncodingForJspSyntax(ParserController.java:517)
    at org.apache.jasper.compiler.ParserController.determineSyntaxAndEncoding(ParserController.java:460)
    at org.apache.jasper.compiler.ParserController.doParse(ParserController.java:215)
    at org.apache.jasper.compiler.ParserController.parse(ParserController.java:145)
    at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:212)
    at org.apache.jasper.compiler.Compiler.compile(Compiler.java:451)
    at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:625)
    at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:492)
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:378)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
    at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:684)
    at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:503)
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
    at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:575)
    at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
    at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086)
    at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:429)
    at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
    at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020)
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
    at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:276)
    at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:103)
    at org.eclipse.jetty.servlet.DefaultServlet.doGet(DefaultServlet.java:572)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:735)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
    at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:684)
    at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:503)
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
    at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:557)
    at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
    at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086)
    at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:429)
    at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
    at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020)
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
    at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:255)
    at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
    at org.eclipse.jetty.server.Server.handle(Server.java:370)
    at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:494)
    at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:971)
    at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:1033)
    at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:644)
    at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
    at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
    at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:696)
    at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:53)
    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)
    at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)
    at java.lang.Thread.run(Thread.java:695)

谁能告诉我我在这里做错了什么？如果有帮助，这是我的目录结构(引用库包含所有必需的 Jetty jar 文件):

enter image description here

这是 WEB-INF 文件夹中的 web.xml 文件:

<?xml version="1.0" encoding="UTF-8" ?>
<web-app version="2.4">
xmlns="http://java.sun.com/xml/ns/j2ee" 
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
xmlns:xsi="w3.org/2001/XMLSchema-instance"
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
    <welcome-file-list>
        <welcome-file>page/index.jsp</welcome-file> 
    </welcome-file-list>
</web-app>

最佳答案

当您查看 web.xml 文件时，命名空间被定义了两次:

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.4"
 xmlns="http://java.sun.com/xml/ns/j2ee"   <-- HERE
 xmlns="http://java.sun.com/xml/ns/j2ee"   <-- AND HERE
 xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
 http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
   <welcome-file-list>
       <welcome-file>page/index.jsp</welcome-file> 
   </welcome-file-list>
  </web-app>

删除其中一个

关于java - Jetty 应用程序抛出 SaxParseException，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/26700491/

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