How should we set classpath URL's to URLClassLoader?

Question

I have this piece of code:

URLClassLoader tmp = new URLClassLoader(new URL[] { getClassPath() });

private static URL getClassPath() {
    return new URL("/home/rudik/workspace/cl/target/classes/");
}

I got /home/rudik/workspace/cl/target/classes/ from Arrays.toString(((URLClassLoader) MyClass.class.getClassLoader()).getURLs()) execution.

When I execute it I get this exception:

java.net.MalformedURLException: no protocol: /home/rudik/workspace/cl/target/classes/

stevecross · Accepted Answer · 2015-12-03 07:23:31Z

2

You don't pass a URL string to the URL constructor. In your case it should be

private static URL getClassPath() {
    return new URL("file:///home/rudik/workspace/cl/target/classes/");
}

answered Dec 3, 2015 at 7:23

stevecross

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1 Comment

Rudziankoŭ Over a year ago

Thanks, Steffen Kreutz!

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