利用jetty环境运行jsp文件出现问题

Question

JFINAL大神，我运行JFINAL_DEMO_JSP时候，运行环境是jetty 8.1.8,文件名是JSP的时候出现一下问题，什么情况！运行其他文件如html就没有问题点哦，freemaker试图也是没有问题的！求救大神。

我的开发工具MYECLIPSE 8.6

HTTP ERROR 500

Problem accessing /common/index.jsp. Reason:

javax.servlet.ServletContext.getJspConfigDescriptor()Ljavax/servlet/descriptor/JspConfigDescriptor;

Caused by:

java.lang.NoSuchMethodError: javax.servlet.ServletContext.getJspConfigDescriptor()Ljavax/servlet/descriptor/JspConfigDescriptor;
	at org.apache.jasper.compiler.JspConfig.processWebDotXml(JspConfig.java:106)
	at org.apache.jasper.compiler.JspConfig.init(JspConfig.java:196)
	at org.apache.jasper.compiler.JspConfig.findJspProperty(JspConfig.java:259)
	at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:166)
	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:820)
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:669)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1336)
	at com.jfinal.core.JFinalFilter.doFilter(JFinalFilter.java:82)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1307)
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:453)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:560)
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1072)
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:382)
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1006)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
	at org.eclipse.jetty.server.Server.handle(Server.java:365)
	at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:485)
	at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:926)
	at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:988)
	at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:635)
	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:628)
	at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)
	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:619)

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Answer 1

jasper.jar与
servlet-api.jar不匹配，找个

ServletContext

类有

getJspConfigDescriptor()

的servlet-api.jar

Answer 2

servlet-api.jar不是最新的，不是报了NoSuchMethodError吗？

Answer 3

需要修改 WebRoot/WEB-INF/a_little_config.txt 文件，填入正确的数据库连接用户名、密码

Answer 4

我直接下载了，导入自己的工作空间，原封不动的！还是不行！

Answer 5

在googlecode上下载jfinal_demo_for_jsp项目，将lib目录下的jar包用上

Answer 6

jetty默认配置是不支持JSP的