Re: Java Reflection question

From:
enzo.660@gmail.com
Newsgroups:
comp.lang.java.programmer
Date:
10 Apr 2007 10:36:11 -0700
Message-ID:
<1176226571.920681.303020@y80g2000hsf.googlegroups.com>

Things to think about:

What classloader should load the superclass ?

If that is one of your custom classloaders, is it looking in the right place ?

If that is not the same as the classloader which loads "SubClass", is the
intended classloader set as the parent of the custom classloader ?

What are the package names of the various classes ? Does your classloader know
how to map package names onto directory names ?


Hey Thanks!

it is a customized class loader. The file to be loaded(SubClass.java)
is in a directory (subdir). class SubClass extends class 'SuperClass'
also defined in SubClass.java

something like this:

-----------------------------------------------------------------
class SuperClass {

    public int cadence;
    public int gear;
    public int speed=7;

    public SuperClass(int startCadence, int startSpeed, int startGear)
{
        gear = startGear;
        cadence = startCadence;
        speed = startSpeed;
    }

}

public class SubClass extends SuperClass {

    public int seatHeight;

    public SubClass(int startHeight, int startCadence, int startSpeed,
int startGear) {
        super(startCadence, startSpeed, startGear);
        seatHeight = startHeight;
    }

    public void disp() {
        System.out.println(" Speed : " + speed);
    System.out.println("hi!");
    }

}
----------------------------------------------------------------------

i get the NoClassDefFoundError for SuperClass. If however, I remove
the inheritance(SuperClass) and just keep the SubClass, The loader
works fine.Do I have to separately load the SuperClass as well?

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