> From: mdunford [mailto:martin.dunf...@gmail.com]
> Subject: RE: Tomcat 6.0.18 examples recompile ok but dont work!!
> I go and recompile HelloWorldExample
> javac HelloWorldExample.java
That's not sufficient to compile a servlet. You will also need a -cp argument
to inform the compiler where servlet-api.jar is located. If you attempt to do
this via the CLASSPATH environment variable - don't. Using the CLASSPATH
variable is a major cause of classloading confusion and difficult to diagnose
problems. If you have CLASSPATH defined, get rid of it before doing anything
else, and smack yourself if you ever feel tempted to use it again.
When your current directory is
${catalina.base}/webapps/examples/WEB-INF/classes, your javac line should look
like this:
javac -cp ../../../../lib/servlet-api.jar HelloWorldExample.java
> Sure enough log shows
> 0:0:0:0:0:0:0:1%0 - - [02/Apr/2009:15:48:58 -0400] "GET
> /examples/servlets/servlet/HelloWorldExample HTTP/1.1" 404 952
I've done the same thing on my 6.0.18 installation, and it works fine. Do you
have a JAVA_HOME or JRE_HOME environment variable set? If so, what's the value?
You should also be able to find additional information in the logs, including a
possible stack trace of the underlying problem.
> There has never been an examples/servlets/servlet directory...
Don't confuse URL paths with file system paths - they're independent. If you
look in webapps/examples/WEB-INF/web.xml, you'll see a servlet mapping for
/servlets/servlet/HelloWorldExample that targets the servlet named
HelloWorldExample, which is configured to use the HelloWorldExample.class.
- Chuck
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