启动jetty，打开JSP页面报错：Unable to compile class for JSP

启动jetty，打开JSP页面报错：Unable to compile class for JSP

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解决方案：为项目加入JDK的tools.jar即可

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HTTP ERROR 500Problem accessing /. Reason:     Unable to compile class for JSPGenerated servlet error:2011-12-10 19:37:07 org.apache.jasper.compiler.Compiler generateClass??: Javac exception Unable to find a javac compiler;com.sun.tools.javac.Main is not on the classpath.Perhaps JAVA_HOME does not point to the JDKat org.apache.tools.ant.taskdefs.compilers.CompilerAdapterFactory.getCompiler(CompilerAdapterFactory.java:105)at org.apache.tools.ant.taskdefs.Javac.compile(Javac.java:924)at org.apache.tools.ant.taskdefs.Javac.execute(Javac.java:757)at org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:382)at org.apache.jasper.compiler.Compiler.compile(Compiler.java:472)at org.apache.jasper.compiler.Compiler.compile(Compiler.java:451)at org.apache.jasper.compiler.Compiler.compile(Compiler.java:439)at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:511)at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:295)at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:390)at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418)at org.mortbay.jetty.servlet.Dispatcher.forward(Dispatcher.java:327)at org.mortbay.jetty.servlet.Dispatcher.forward(Dispatcher.java:126)at org.mortbay.jetty.servlet.DefaultServlet.doGet(DefaultServlet.java:500)at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1166)at cn.chenfeng.Filter.PageTimersFilter.doFilter(PageTimersFilter.java:46)at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388)at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418)at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)at org.mortbay.jetty.Server.handle(Server.java:326)at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:926)at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:549)at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)at org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:228)at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)Generated servlet error:2011-12-10 19:37:07 org.apache.jasper.compiler.Compiler generateClassGenerated servlet error:??: Env: Compile: javaFileName=/C:/Users/ADMINI~1/AppData/Local/Temp/Jetty_0_0_0_0_8081_WebRoot____ag5q3e/jsp//org/apache/jsp\index_jsp.javaGenerated servlet error:    classpath=/E:/MyWorkspace/cfJavaEEPlay/WebRoot/WEB-INF/classes/;/E:/MyWorkspace/cfJavaEEPlay/WebRoot/WEB-INF/lib/commons-beanutils.jar;/E:/MyWorkspace/cfJavaEEPlay/WebRoot/WEB-INF/lib/commons-logging-1.1.jar;/E:/MyWorkspace/cfJavaEEPlay/WebRoot/WEB-INF/lib/flexjson-2.0.jar;/E:/MyWorkspace/cfJavaEEPlay/WebRoot/WEB-INF/lib/freemarker-2.3.8.jar;/E:/MyWorkspace/cfJavaEEPlay/WebRoot/WEB-INF/lib/json.jar;/E:/MyWorkspace/cfJavaEEPlay/WebRoot/WEB-INF/lib/jstl.jar;/E:/MyWorkspace/cfJavaEEPlay/WebRoot/WEB-INF/lib/jtds-1.2.2.jar;/E:/MyWorkspace/cfJavaEEPlay/WebRoot/WEB-INF/lib/mysql-connector-java-5.1.6-bin.jar;/E:/MyWorkspace/cfJavaEEPlay/WebRoot/WEB-INF/lib/ognl-2.6.11.jar;/E:/MyWorkspace/cfJavaEEPlay/WebRoot/WEB-INF/lib/standard.jar;/E:/MyWorkspace/cfJavaEEPlay/WebRoot/WEB-INF/lib/struts2-core-2.0.6.jar;/E:/MyWorkspace/cfJavaEEPlay/WebRoot/WEB-INF/lib/xwork-2.0.1.jar;C:\Users\ADMINI~1\AppData\Local\Temp\Jetty_0_0_0_0_8081_WebRoot____ag5q3e\jsp;nullGenerated servlet error:    cp=E:\MyWorkspace\cfJavaEEPlay\build\classes;E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\commons-beanutils.jar;E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\commons-logging-1.1.jar;E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\flexjson-2.0.jar;E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\freemarker-2.3.8.jar;E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\json.jar;E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\jstl.jar;E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\jtds-1.2.2.jar;E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\mysql-connector-java-5.1.6-bin.jar;E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\ognl-2.6.11.jar;E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\standard.jar;E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\struts2-core-2.0.6.jar;E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\xwork-2.0.1.jar;E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\classes;E:\MyWorkspace\cfJavaEEPlay\jetty\ant-1.6.5.jar;E:\MyWorkspace\cfJavaEEPlay\jetty\commons-el.jar;E:\MyWorkspace\cfJavaEEPlay\jetty\commons-lang-2.3.jar;E:\MyWorkspace\cfJavaEEPlay\jetty\el-api.jar;E:\MyWorkspace\cfJavaEEPlay\jetty\jasper-compiler.jar;E:\MyWorkspace\cfJavaEEPlay\jetty\jasper-runtime.jar;E:\MyWorkspace\cfJavaEEPlay\jetty\jaxb-impl-2.0.5.jar;E:\MyWorkspace\cfJavaEEPlay\jetty\jetty-6.1.24.jar;E:\MyWorkspace\cfJavaEEPlay\jetty\jetty-util-6.1.24.jar;E:\MyWorkspace\cfJavaEEPlay\jetty\jsp-2.1-core-3.1.1.jar;E:\MyWorkspace\cfJavaEEPlay\jetty\jsp-2.1-jetty-6.1.24.jar;E:\MyWorkspace\cfJavaEEPlay\jetty\jsp-api.jar;E:\MyWorkspace\cfJavaEEPlay\jetty\jstl-1.2.jar;E:\MyWorkspace\cfJavaEEPlay\jetty\servlet-api-2.5-6.1.3.jar;E:\MyWorkspace\cfJavaEEPlay\jetty\standard-1.0.2.jar    cp=E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\classes    cp=E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\commons-beanutils.jar    cp=E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\commons-logging-1.1.jar    cp=E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\flexjson-2.0.jar    cp=E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\freemarker-2.3.8.jar    cp=E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\json.jar    cp=E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\jstl.jar    cp=E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\jtds-1.2.2.jar    cp=E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\mysql-connector-java-5.1.6-bin.jar    cp=E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\ognl-2.6.11.jar    cp=E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\standard.jar    cp=E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\struts2-core-2.0.6.jar    cp=E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\xwork-2.0.1.jar    cp=C:\Users\ADMINI~1\AppData\Local\Temp\Jetty_0_0_0_0_8081_WebRoot____ag5q3e\jsp    cp=null    work dir=C:\Users\ADMINI~1\AppData\Local\Temp\Jetty_0_0_0_0_8081_WebRoot____ag5q3e\jspGenerated servlet error:    extension dir=D:\Program Files\Java\jdk1.6.0_11\jre\lib\ext;C:\Windows\Sun\Java\lib\ext    srcDir=C:\Users\ADMINI~1\AppData\Local\Temp\Jetty_0_0_0_0_8081_WebRoot____ag5q3e\jsp    include=org/apache/jsp/index_jsp.javaCaused by:org.apache.jasper.JasperException: Unable to compile class for JSPGenerated servlet error:2011-12-10 19:37:07 org.apache.jasper.compiler.Compiler generateClass??: Javac exception Unable to find a javac compiler;com.sun.tools.javac.Main is not on the classpath.Perhaps JAVA_HOME does not point to the JDKat org.apache.tools.ant.taskdefs.compilers.CompilerAdapterFactory.getCompiler(CompilerAdapterFactory.java:105)at org.apache.tools.ant.taskdefs.Javac.compile(Javac.java:924)at org.apache.tools.ant.taskdefs.Javac.execute(Javac.java:757)at org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:382)at org.apache.jasper.compiler.Compiler.compile(Compiler.java:472)at org.apache.jasper.compiler.Compiler.compile(Compiler.java:451)at org.apache.jasper.compiler.Compiler.compile(Compiler.java:439)at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:511)at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:295)at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:390)at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418)at org.mortbay.jetty.servlet.Dispatcher.forward(Dispatcher.java:327)at org.mortbay.jetty.servlet.Dispatcher.forward(Dispatcher.java:126)at org.mortbay.jetty.servlet.DefaultServlet.doGet(DefaultServlet.java:500)at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1166)at cn.chenfeng.Filter.PageTimersFilter.doFilter(PageTimersFilter.java:46)at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388)at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418)at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)at org.mortbay.jetty.Server.handle(Server.java:326)at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:926)at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:549)at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)at org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:228)at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)Generated servlet error:2011-12-10 19:37:07 org.apache.jasper.compiler.Compiler generateClassGenerated servlet error:??: Env: Compile: javaFileName=/C:/Users/ADMINI~1/AppData/Local/Temp/Jetty_0_0_0_0_8081_WebRoot____ag5q3e/jsp//org/apache/jsp\index_jsp.javaGenerated servlet error:    classpath=/E:/MyWorkspace/cfJavaEEPlay/WebRoot/WEB-INF/classes/;/E:/MyWorkspace/cfJavaEEPlay/WebRoot/WEB-INF/lib/commons-beanutils.jar;/E:/MyWorkspace/cfJavaEEPlay/WebRoot/WEB-INF/lib/commons-logging-1.1.jar;/E:/MyWorkspace/cfJavaEEPlay/WebRoot/WEB-INF/lib/flexjson-2.0.jar;/E:/MyWorkspace/cfJavaEEPlay/WebRoot/WEB-INF/lib/freemarker-2.3.8.jar;/E:/MyWorkspace/cfJavaEEPlay/WebRoot/WEB-INF/lib/json.jar;/E:/MyWorkspace/cfJavaEEPlay/WebRoot/WEB-INF/lib/jstl.jar;/E:/MyWorkspace/cfJavaEEPlay/WebRoot/WEB-INF/lib/jtds-1.2.2.jar;/E:/MyWorkspace/cfJavaEEPlay/WebRoot/WEB-INF/lib/mysql-connector-java-5.1.6-bin.jar;/E:/MyWorkspace/cfJavaEEPlay/WebRoot/WEB-INF/lib/ognl-2.6.11.jar;/E:/MyWorkspace/cfJavaEEPlay/WebRoot/WEB-INF/lib/standard.jar;/E:/MyWorkspace/cfJavaEEPlay/WebRoot/WEB-INF/lib/struts2-core-2.0.6.jar;/E:/MyWorkspace/cfJavaEEPlay/WebRoot/WEB-INF/lib/xwork-2.0.1.jar;C:\Users\ADMINI~1\AppData\Local\Temp\Jetty_0_0_0_0_8081_WebRoot____ag5q3e\jsp;nullGenerated servlet error:    cp=E:\MyWorkspace\cfJavaEEPlay\build\classes;E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\commons-beanutils.jar;E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\commons-logging-1.1.jar;E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\flexjson-2.0.jar;E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\freemarker-2.3.8.jar;E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\json.jar;E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\jstl.jar;E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\jtds-1.2.2.jar;E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\mysql-connector-java-5.1.6-bin.jar;E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\ognl-2.6.11.jar;E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\standard.jar;E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\struts2-core-2.0.6.jar;E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\xwork-2.0.1.jar;E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\classes;E:\MyWorkspace\cfJavaEEPlay\jetty\ant-1.6.5.jar;E:\MyWorkspace\cfJavaEEPlay\jetty\commons-el.jar;E:\MyWorkspace\cfJavaEEPlay\jetty\commons-lang-2.3.jar;E:\MyWorkspace\cfJavaEEPlay\jetty\el-api.jar;E:\MyWorkspace\cfJavaEEPlay\jetty\jasper-compiler.jar;E:\MyWorkspace\cfJavaEEPlay\jetty\jasper-runtime.jar;E:\MyWorkspace\cfJavaEEPlay\jetty\jaxb-impl-2.0.5.jar;E:\MyWorkspace\cfJavaEEPlay\jetty\jetty-6.1.24.jar;E:\MyWorkspace\cfJavaEEPlay\jetty\jetty-util-6.1.24.jar;E:\MyWorkspace\cfJavaEEPlay\jetty\jsp-2.1-core-3.1.1.jar;E:\MyWorkspace\cfJavaEEPlay\jetty\jsp-2.1-jetty-6.1.24.jar;E:\MyWorkspace\cfJavaEEPlay\jetty\jsp-api.jar;E:\MyWorkspace\cfJavaEEPlay\jetty\jstl-1.2.jar;E:\MyWorkspace\cfJavaEEPlay\jetty\servlet-api-2.5-6.1.3.jar;E:\MyWorkspace\cfJavaEEPlay\jetty\standard-1.0.2.jar    cp=E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\classes    cp=E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\commons-beanutils.jar    cp=E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\commons-logging-1.1.jar    cp=E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\flexjson-2.0.jar    cp=E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\freemarker-2.3.8.jar    cp=E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\json.jar    cp=E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\jstl.jar    cp=E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\jtds-1.2.2.jar    cp=E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\mysql-connector-java-5.1.6-bin.jar    cp=E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\ognl-2.6.11.jar    cp=E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\standard.jar    cp=E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\struts2-core-2.0.6.jar    cp=E:\MyWorkspace\cfJavaEEPlay\WebRoot\WEB-INF\lib\xwork-2.0.1.jar    cp=C:\Users\ADMINI~1\AppData\Local\Temp\Jetty_0_0_0_0_8081_WebRoot____ag5q3e\jsp    cp=null    work dir=C:\Users\ADMINI~1\AppData\Local\Temp\Jetty_0_0_0_0_8081_WebRoot____ag5q3e\jspGenerated servlet error:    extension dir=D:\Program Files\Java\jdk1.6.0_11\jre\lib\ext;C:\Windows\Sun\Java\lib\ext    srcDir=C:\Users\ADMINI~1\AppData\Local\Temp\Jetty_0_0_0_0_8081_WebRoot____ag5q3e\jsp    include=org/apache/jsp/index_jsp.javaat org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:84)at org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:332)at org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:412)at org.apache.jasper.compiler.Compiler.compile(Compiler.java:472)at org.apache.jasper.compiler.Compiler.compile(Compiler.java:451)at org.apache.jasper.compiler.Compiler.compile(Compiler.java:439)at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:511)at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:295)at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:390)at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418)at org.mortbay.jetty.servlet.Dispatcher.forward(Dispatcher.java:327)at org.mortbay.jetty.servlet.Dispatcher.forward(Dispatcher.java:126)at org.mortbay.jetty.servlet.DefaultServlet.doGet(DefaultServlet.java:500)at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1166)at cn.chenfeng.Filter.PageTimersFilter.doFilter(PageTimersFilter.java:46)at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388)at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418)at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)at org.mortbay.jetty.Server.handle(Server.java:326)at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:926)at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:549)at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)at org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:228)at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)

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1 楼 langke93 2012-06-05 不错，这问题折腾了我好久 2 楼 yunzhu 2012-06-05 langke93 写道不错，这问题折腾了我好久
me too。

曾经在公司的环境折腾了好久，后来弄好了。

很长时间以后忘记了，在家里的环境又折腾了很久，果断记下来。
我的异常网推荐解决方案：org.apache.jasper.JasperException: Unable to compile class,http://www.myexception.cn/j2ee/2308.html