小问题！求帮助！

[zqswork]

HTTP Status 500 -

--------------------------------------------------------------------------------

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

org.apache.jasper.JasperException: Unable to compile class for JSP
org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:97)
org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:346)
org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:414)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:472)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:451)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:439)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:511)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:295)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)


root cause

Unable to find a javac compiler;
com.sun.tools.javac.Main is not on the classpath.
Perhaps JAVA_HOME does not point to the JDK
org.apache.tools.ant.taskdefs.compilers.CompilerAdapterFactory.getCompiler(CompilerAdapterFactory.java:106)
org.apache.tools.ant.taskdefs.Javac.compile(Javac.java:935)
org.apache.tools.ant.taskdefs.Javac.execute(Javac.java:764)
org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:382)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:472)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:451)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:439)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:511)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:295)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)


note The full stack trace of the root cause is available in the Apache Tomcat/5.0.28 logs.

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我的path=C:\Program Files\Java\jdk1.5.0_04\bin;C:\Program Files\Microsoft SQL Server\80\Tools\BINN
classpath=.;C:\Program Files\Java\jdk1.5.0_04\lib\tools.jar;C:\Program Files\Java\jdk1.5.0_04\lib\dt.jar
我能运行和编译helloword文件！
　但运行ＪＳＰ文件就出现上面这个问题！！
　　这个jsp文件是朋友做好了的！我只是配置出来看能不能运行！web．xml也应该没的问题！！不怎么怎么起的！！求帮助！！谢谢

[jicken_woo]

首先确认 你装了几个jdk，然后确认你的jdk配置是否正确！！！

[zhangjian_2015]

你的TOMCAT呢,,我没有看到呀,,,

[zqswork]

jdk我只装了一个！！tomcat的的环境变量应该放在那里？把哪个文件放在那里呢？谢谢哈！

[zqswork]

classpayh=.;C:\Program Files\Java\jdk1.5.0_04\lib\tools.jar;C:\Program Files\Java\jdk1.5.0_04\lib\dt.jar;C:\Program Files\Apache Software Foundation\Tomcat 5.0\bin
现在加进去了！！还是哪个错误！

[kelco]

500错误一般都是配置文件写的有问题 你好好检查一下你的配置文件 仅供参考我也是初学者