This is a Java agent that throws ClassNotFoundException for classes on the classpath but matching the path-hole agent filter.

Usage java -javaagent:path-hole.jar -Dpath_hole.filter=com.foo.Bar,com.baz.*Test

The filter is a comma seperated list of fully qualified java names with optional wildcard character that matches everything

You can allow a type of ClassLoaders to load the classes even if the pattern matches. Use

-Dpath_hole.unfiltered.cls=com.mycompany.MyClassLoader,com.mycompany.MyClassLoader2

To build the project use maven

from the root of project run

mvn clean package

The use as dependency of project use

<repositories>
    <repository>
        <id>path-hole</id>
        <url>https://raw.github.com/avrecko/path-hole/master/repository</url>
    </repository>
</repositories>

<dependency>
   <groupId>com.typesafe</groupId>
   <artifactId>path-hole</artifactId>
   <version>1.0</version>
</dependency>