Also, looking at documentation at:
http://jakarta.apache.org/tomcat/tomcat-4.0-doc/class-loader-howto.html

It says, CLASSPATH is ignored. And, tools.jar should have been loaded?

   * System - This class loader is normally initialized from the
     contents of the CLASSPATH environment variable. All such classes
     are visible to both Tomcat internal classes, and to web
     applications. However, the standard Tomcat 4 startup scripts
     ($CATALINA_HOME/bin/catalina.sh or
     %CATALINA_HOME%\bin\catalina.bat) totally ignore the contents of
     the CLASSPATH environment variable itself, and instead build the
     System class loader from the following repositories:
         o $CATALINA_HOME/bin/bootstrap.jar - Contains the main()
           method that is used to initialize the Tomcat 4 server, and
           the class loader implementation classes it depends on.
         o $JAVA_HOME/lib/tools.jar - Contains the "javac" compiler
           used to convert JSP pages into servlet classes.



Sunitha Kumar wrote:

Folks:
I have defined CLASSPATH to have $JAVA_HOME/lib/tools.jar, in catalina.sh
However, while deploying my .war file, it fails to find tools.jar.
Any pointers?
thanks,
-sunitha

Servlet  threw load() exception
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.


at org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:127)

at org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:351)

at org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:415)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:458)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:439)
at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:553)


at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:291)

at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:301)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:248)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
at sun.reflect.GeneratedMethodAccessor146.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)


at java.lang.reflect.Method.invoke(Method.java:324)
at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:284)





-- Sunitha Kumar http://www.cisco.com




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