I curently have 2 issues and hope someone may quickly point me to the right
solutions.
Environment: Tomcat 4.03, Struts 1.1
Issue 1: Tomcat standalone to serve other file types such as .pdf .ppt .doc
Previously I use Apache as a web server connected to Tomcat 3.3 for jsp
pages. URLs to the above file types work fine. Changing to Tomcat 4
standalone, everything is great with jsp, but Tomcat web server does not
recognize and serve the other file types. I expect appropriate setting of
file types would sold this problem so Tomcat Standalone will be appropriate
for mostly dynamic jsp site without using Apache and connectors.
Issue 2: Using ServletContext attributes as global variables accross web
applications within the same virtual host and across different virtual
hosts. My arrangement is as follows:
VirtualHost1/ROOT/mainApp
/sub1/subApp1
VirtualHost2/ etc.
ServletContext attributes set in subApp1 are alive and available to subApp1.
>From mainApp, I need to get attributes in subApp1. From mainApp, I access
Struts 1.1 ActionServlet and get to its ServletContext
(getServlet().getServletContext()). From mainApp ServletContext, I get to
subApp1 ServletContext with getContext("/subApp1") and to get the required
attributes of subApp1, which I know they are there and not null as tested
from subApp1 ServletContext. The whole code is:
(MyPlugIn) myPlugIn = (MyPlugIn)
((getServlet().getServletContext()).getContext("/subApp1")).getAttribute(myP
lugIn);
This line of code gives null value from both mainApp and subApp1
ServletContext. I did explicitly set appropriate docBase and
crossContext="true" for both mainApp and subApp1 in tomcat4 server.xml
The question are:
1) How do I get global variables across web applications within 1
virtual host and across virtual hosts using Tomcat 4 container?
2) Is there a better method for sharing global variables across web
applications within the same virtual host, and across virtual hosts in the
same server?
3) What is the best approach to scale from the above scenario to
distributed environment?
4) If Ldap is used for global variable distributed environment, what is
the best design for mostly read and few updates of JavaBeans to Ldap, both
for performance and security.
Any help is greatly appreciated. Thanks.
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