Video capture does not work Java 1.5 or 1.6

I could not run jmstudio on 1.5, but on 1.6 I could, and jmregistry says there is a device with a Locator "v4l://0" and jmstudio can display the video. Yet my old program that worked with Java 1.4 can not now capture the video any more, createDataSource(locator) in the code:
locator = MediaLocator("v4l://0");
source = javax.media.Manager.createDataSource(locator);
throws NoDataSourceException, that says something about "Could not configure video device". Is the code bad? Or is there something other broken? JMFHOME is set correctly.

Where is your jmf.properties file? Do you have the performance pack installed?
Does JMStudio work. (if you're on linux w/ java 5.0 use: java -Dawt.toolkit=sun.awt.motif.MToolkit JMStudio)
My bet is that you don't have jmf.properties in your current dir or the camera hasn't been added to your properties.
Another idea:
try this before your code:
try {
    Class.forName("V4LAuto").newInstance();
} catch(Exception e) {}in order to autodetect the camera.
Peace

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