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environmental variable issue

 
ravi kanth
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hi all,
can any body give the solution for this problem.
i had set path,classpath and JAVA_HOME.

FROM tomcat browser window
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 it showing is..

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)
 
William Brogden
Author and all-around good cowpoke
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1. What operating system?
2. What version of Java? Installed where?
3. What value of JAVA_HOME in your environment settings?

Mine looks like:
JAVA_HOME=c:\JavaMisc\jdk1.6.0

Bill
 
ravi kanth
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hai William ,
Thanks for reply.

my os is XP professional.
java version is 1.5
JAVA_HOME value:C:\Program Files\Java\jdk1.5.0_04
and tomcat version is 5.0.28
 
Rene Larsen
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Eclipse IDE Mac OS X
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One problem in your JAVA_HOME could be that you have a space in the path.

I know that the path with 'Program Files' is the default installation, but it does not always work, when there are spaces in the path.

Try reinstall your javaSE, and this time put it somewhere without spaces in the path.
 
It is sorta covered in the JavaRanch Style Guide.
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