You are viewing a plain text version of this content. The canonical link for it is here.
Posted to bsf-user@jakarta.apache.org by Nils Lastein <ni...@bioteknologisk.dk> on 2003/10/10 16:16:40 UTC
Running BSF with jython in Tomcat
Hi
I'm aiming at running the JSP-aplications embedded with jython using BSF
(Bean Scripting Framework) Jakarta Tomcat server with
- Installed Sun Java SDK
java version "1.4.2_01"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_01-b06)
Java HotSpot(TM) Client VM (build 1.4.2_01-b06, mixed mode)
- Installled a precompiled version of Jakarta Tomcat 5.0.12
- Installed jython 2.1 and placed jython.jar in
${CATALINA_HOME}/webapps/jython/WEB-INF/lib/ and modified web.xml
(PyServlet.)
Now I'm able to execute jython (*.py-files) inside the Jakarta Tomcat
server nicely. But in order to make web development easier it would be
nice to execute Jython-code server-side embedded - and this is where BSF
becomes handy.
So I:
- fetched BSF from: http://cvs.apache.org/dist/jakarta/bsf/v2.3.0rc1/bin/bsf-bin-2.3.0.tar.gz and placed the bsf.jar in WEB-INF/lib
- fetched BSF Jakarta Taglibs from http://cvs.apache.org/builds/jakarta-taglibs/nightly/projects/bsf/jakarta-taglibs-bsf-20031010.tar.gz and copied the taglibs-bsf.jar to
${CATALINA_HOME}/webapps/jython/WEB-INF/lib and the taglibs-bsf.tld to
${CATALINA_HOME}/webapps/jython/WEB-INF
My web.xml file:
<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE web-app
PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.2//EN"
"http://java.sun.com/j2ee/dtds/web-app_2_2.dtd">
<web-app>
<taglib>
<taglib-uri>http://jakarta.apache.org/taglibs/bsf-2.0</taglib-uri>
<taglib-location>/WEB-INF/taglibs-bsf.tld</taglib-location>
</taglib>
<servlet>
<servlet-name>PyServlet</servlet-name>
<servlet-class>org.python.util.PyServlet</servlet-class>
<load-on-startup>1</load-on-startup>
<init-param>
<param-name>python.home</param-name>
<param-value>/usr/bin/jython-2.1</param-value>
</init-param>
</servlet>
<servlet-mapping>
<servlet-name>PyServlet</servlet-name>
<url-pattern>*.py</url-pattern>
</servlet-mapping>
</web-app>
My foo.jsp-file:
<%@ page language="jython" %>
<% out.print("Hello from Jython")%>
which responds:
org.apache.jasper.JasperException: /foo.jsp(1,1) Page directive: invalid
language attribute
and my bar.jsp:
<%@ taglib uri="/WEB-INF/taglibs-bsf.tld" prefix="bsf" %>
<bsf.scriptlet language="jython">
out.print("hello from jython")
</bsf.scriptlet>
which doesn't becomes parsed and this prints the source code:
<bsf.scriptlet language="jython">
out.print("hello from jython")
</bsf.scriptlet>
Jakarta Tomcats starts up with any errors (from catalina.out) and
processes the jar-files:
*sys-package-mgr*: processing new jar,
'/home/foo/jakarta2/bin/bootstrap.jar'
*sys-package-mgr*: processing new jar,
'/home/foo/jakarta2/common/endorsed/xercesImpl.jar'
*sys-package-mgr*: processing new jar,
'/home/foo/jakarta2/common/endorsed/xmlParserAPIs.jar'
*sys-package-mgr*: processing new jar,
'/home/foo/jakarta2/webapps/jython/WEB-INF/lib/bsf.jar'
*sys-package-mgr*: processing new jar,
'/home/foo/jakarta2/webapps/jython/WEB-INF/lib/jython.jar'
*sys-package-mgr*: processing new jar,
'/home/foo/jakarta2/webapps/jython/WEB-INF/lib/taglibs-bsf.jar'
What prevents my from success?
Nils
---------------------------------------------------------------------
To unsubscribe, e-mail: bsf-user-unsubscribe@jakarta.apache.org
For additional commands, e-mail: bsf-user-help@jakarta.apache.org