Not recognizing files in the same package

[grepgrok]

I have the following code (shortened):

cars/Automobile.java

package cars;

public abstract class Automobile {
    // contents
}

and cars/SmallCar.java

package cars;

public class SmallCar extends Automobile {
    // contents
}

This compiles perfectly fine via terminal with /path/to/cars/ $ javac *.java but linter-javac is showing an error on extending Automobile in SmallCar.java