Howdy,
Your two questions are related. The path where tomcat is would be
$CATALINA_HOME, which is an environment variable.
>2. It is possible to find out (in Java) the value of a system variable
>like
>%CLASSPATH% or %CATALINA_HOME% ?
There's a difference between an environment variable and a java runtime
option. Anything passed as -Dname=value to java will be accessible via
System.getProperty("name").
Getting environment variable is different, and not always possible. The
classpath, coincidentally, is accessible as
System.getProperty("java.class.path").
See the JavaDoc for System.getProperties() for a complete list. Tomcat
may add something like a jakarta.tomcat.home property, but I don't know
if it does.
Finally, although it's sometimes kludgey (sp?), you can always add a
parameter to your web.xml if you know it in advance (at deploy time,
versus run time).
Yoav Shapira
Millennium ChemInformatics
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