Re: [Php-java-bridge-users] LinkageException and remedy

[<php...@li...>]

Hi,

I am sorry, but I could not reproduce this problem. Can you please attach a test case 
to the ticket #1824173
(http://sourceforge.net/tracker/index.php?func=detail&aid=1824173&group_id=117793&atid=679233)?


> However, this raised a LinkageException on the JVM, claiming that
> Class B  already was loaded by the classloader.

Yes, that's the expected behaviour when the same class is loaded twice by two different class
loaders.


> If "$clazz = new JavaClass("org.test.B");" was performed before
> "$bean->getA();" everything worked out fine

I don't think so. If you compare B@beanClassLoader with B@dynamicJavaBridgeClassLoader, you will
see that both classes are assignment incompatible.


> something was buggy in the dynamic classloading scheme.

There may be a bug in the dynamic class loader. But I fail to see it.


> I've attached a patch to the DynamicJavaBridgeClassLoader which
> addresses this, by checking findLoadedClass(name) before

The patch is incorrect. An attempt to load the same class twice must throw an exception. Otherwise
we will get ClassCastExceptions later on.

The problem, as I understand it, is, that you load the same class from two different locations.


Regards,
Jost Boekemeier



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