Tomcat 问题500错误，初学望前辈指点

xiaolong_yali

我启动了TOMCAT出现了如下错误：
信息: Jk running ID=0 time=0/21  config=F:\Tomcat 4.1\conf\jk2.properties
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
        at org.apache.tools.ant.taskdefs.compilers.CompilerAdapterFactory.getCom
piler(CompilerAdapterFactory.java:140)
        at org.apache.tools.ant.taskdefs.Javac.compile(Javac.java:969)
        at org.apache.tools.ant.taskdefs.Javac.execute(Javac.java:799)
        at org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:320)
        at org.apache.jasper.compiler.Compiler.compile(Compiler.java:370)
        at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext
.java:473) conf= f:\tomcat 4. 1\conf\jk2.properties
。。。。。。。。
我在地址栏输入：  http://localhost:8080/   错误代码是：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

An error occurred at line: -1 in the jsp file: null

Generated servlet error:
    [javac] Compiling 1 source file



        at org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:130)
        at org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:293)
        at org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:353)
        at org.apache.jasper.compiler.Compiler.compile(Compiler.java:370)
        at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:473)
        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:190)
        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:256)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)

jackylau

晕！
Perhaps JAVA_HOME does not point to the JDK

wingger

Unable to find a javac compiler;

是JAVA环境没设好吧