[Jython-users] Jython servlets -- path and classpath issues under Tomcat 4.1

[David R. <dr...@ri...>]

I'm experimenting with adding some Jython servlets to an existing Java servlet site.

Using Jython 2.1, Sun JDK 1.4.1_01, Tomcat 4.1.12, Linux

I've hit a couple of snags:

1. The example at http://jywiki.sourceforge.net/index.php?JythonServlet says
says that Jython servlets should go into <context>/WEB-INF/jython, but then 
actually puts the example code into the root of <context>

If I put it into <context>/WEB-INF/jython, I can't get it to run, except by 
actually hardcoding  "/WEB-INF/jython/servletname.py" into the URL.  Is there 
some way to configure things so that the search directory for .py files starts 
from <context>/WEB-INF/jython instead of <context> ?

2. Jython servlets can call Sun's Java code from the java and javax packages. 
But they can't call my code that lives under <context>/WEB-INF/classes  Looks 
like a classpath problem.

When I add this debug code to a Jython servlet:

     systemProps = java.lang.System.getProperties()
     print systemProps['java.class.path']

I get the very sparse:
/opt/sun-jdk-1.4.1.01/lib/tools.jar:/opt/tomcat/bin/bootstrap.jar

I see that PyServlet.java contains:
     sys.add_classdir(rootPath + "WEB-INF" + File.separator + "classes");
but it doesn't appear to be working.

What's the right way to setup the Java classpath for Jython servlets?

Thanks.

-- 
David Ripton    dr...@ri...