Tomcat问题
本人安装了Tomcat5.0 但是怎么编写的jsp却运行不了?普通的HTML文件放在ROOT中却可以运行,书上不是说打入:
http://localhost:8080:+jsp文件名字就可以吗?但却出现下面的页面:
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:439)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:497)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:476)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:464)
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:105)
org.apache.tools.ant.taskdefs.Javac.compile(Javac.java:929)
org.apache.tools.ant.taskdefs.Javac.execute(Javac.java:758)
org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:407)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:497)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:476)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:464)
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/5.0.30 logs.
谢谢各位了,问题解决了,是JDK跟Tomcat的配置问题.
[[it] 本帖最后由 linwu_2006 于 2008-9-15 14:59 编辑 [/it]]
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Tomcat
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Unable to find a javac compiler
你装JDK了吗,设置了么
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设置了 都是看书做的,但书上书可以,为什么我的就不可以
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这个错误应该是 或许是jsp 页面的错误吧!
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应该是环境变量的问题,仔细再配一次哦!!!
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回复 1# linwu_2006 的帖子
应该是页面的问题吧。。路径的问题应该是404错误。页面问题是500错误。 ----------------解决方案--------------------------------------------------------
http://localhost:8080/+jsp文件名字就可以吗
8080后是斜杠
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Unable to compile class for JSP ----不能编译jsp代码啊,肯定是JDK和Tomcat的配制出了问题啊
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先看tomcat,如果不是就是jdk,然后是工程名没有写
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找到错了没,楼主?
这个错误看来,地址栏没问题正确访问路径应该是:http://localhost:8080/工程名/+jsp文件名字(部署后的前提下)
是编译jsp文件时出错了:
Unable to find a javac compiler;--》找不到jdk
com.sun.tools.javac.Main is not on the classpath.--》路径配置出错
Perhaps JAVA_HOME does not point to the JDK--》java_home中jdk路径写错
想必看完这些,你该知道怎么做了吧!
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