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Error

 
Greenhorn
Posts: 11
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Hi guys , i wrote a jsp and when i run on tomcat , it gives me a 500 error :

org.apache.jasper.JasperException: Unable to compile class for JSP

No Java compiler was found to compile the generated source for the JSP.
This can usually be solved by copying manually $JAVA_HOME/lib/tools.jar from the JDK
to the common/lib directory of the Tomcat server, followed by a Tomcat restart.
If using an alternate Java compiler, please check its installation and access path.

org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:127)
org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:351)
org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:415)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:458)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:439)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:553)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:291)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:301)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:248)
javax.servlet.http.HttpServlet.service(HttpServlet.java:856)

Do i need write my xml or anything?
thx
 
Ranch Hand
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Did you read the errormessage?
It contains instructions to implement a likely cure for the error.
 
Moses Herrada
Greenhorn
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but i still dont understand wheres the error?
help somebody?
 
Sheriff
Posts: 13411
Firefox Browser VI Editor Redhat
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First: this is a Tomcat question. Ask in the Tomcat forum and you will get more enthusiastic help.
Second: Make sure to give them as much information as possible.
- What version of Tomcat are you running?
- What JDK are you using?
- What OS are you running on?
- If Windows, did you install it as a service and are you running that way?

I've seen this happen when the windows installer for Tomcat finds the wrong Java installation. Unistalling and then reinstalling fixes the problem.
I've also heard that having the JAVA_HOME environment variable set before running the Tomcat install helps but, having never looked at the code or tried it, I can't say for sure if it's true. Can't hurt though.
[ February 06, 2005: Message edited by: Ben Souther ]
 
Ranch Hand
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Also, if you're running Tomcat using a JRE (doesn't have the compiler in it) as opposed to a JDK, you can have this problem.
 
Bartender
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IntelliJ IDE Spring Java
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Moving to the Apache Tomcat forum...
 
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