Hi, I am confused. Which project is running A or B? Is
com.example.A.test1 in project A or B?
What is the type of the object that you do create? Try this:
Object tmp = c.newInstance();
System.out.println(tmp);
Is framework/base in project A or B?
Finally, and this may not be important at all, but try using
Class.forName() instead of the class loader directly.
On Mar 19, 4:03 am, Jove <jove.c...@gmail.com> wrote:
> Hi guys,
> I meet a problem when using jar files, I simplify my question by
> below examples:
>
> test.jar include a class of "com.example.test.class"
> eclipse project A using test.jar and declare test1 extend from
> com.example.test
> eclipse project B using test.jar too and declare test2 extend from
> com.example.test
> Both project build sucessfull.
> Then I try to using reflection in project B to instaniance a
> instance of test1
>
> Class <?> c = tmpCtxt.getClassLoader().loadClass
> ("com.example.A.test1");
> test tmp = (test) c.newInstance() //
> it throw java.lang.ClassCastException. (but if I put
> com.example.test.class into frameworks/base", it's OK)
> Anyidea about this issue?
> Any advice is appreciated.
>
> Regards,
> Jove
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