How to enable multiple access to a web cam?

Hi... I am using JMF to develop an online monitoring web page with Java Applet.
However, as i tried it just now, when one browser is rendering that page, others can not even lauch the web cam.
I am using Logitech QuickCam. Is it because of the web cam is possessed by one application, and others have to wait? Or the client should also install JMF in order to view the page successfully?
Can anyone please tell me?
Thanks in advace.

Let me get this straight. You have a web application that uses spring framework and hibernate to access the database. You want the user to be able to select the database that he wants to access using spring and hibernate.
Hopefully you are using the Spring Framework Hibernate DAO. I know you can have more that one spring application context. You can then trying to load a seperate spring application context for each database. Each application context would have it's own configuration files with the connection parameters for each datasource. You could still use JNDi entries in the web.xml for each datasource.
Then you would need a service locater so that when a user selected a datasource he would get the application context for that datasource which he would use for the rest of his session.
I think it is doable. It means a long load time. And you'll need to keep the application contexts as small as possible to conserve resources.

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