Hi,

Thanks I got the problem solved as per your suggestion.

However I could make it work with two bundles as per Toni's hint

I included the jar in to the bundle one which was registering the service,
this bundle exported the interface A.

In the second bundle I just imported the interface A and retrieved the
object and cast to A successfully.

Thanks for your help and time.

Cheers,
Santosh Akhilesh
****************************************************************************
**************

 This email and its attachments contain confidential information from
HUAWEI, which is intended only for the person or entity whose address is
listed above. Any use of the information contained herein in any way
(including, but not limited to, total or partial disclosure, reproduction,
or dissemination) by persons other than the intended recipient(s) is
prohibited. If you receive this e-mail in error, please notify the sender by
phone or email immediately and delete it!

 
****************************************************************************
*************


-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED]
Sent: Thursday, May 29, 2008 9:02 PM
To: Equinox development mailing list
Subject: Re: [equinox-dev] getservice throws class cast exception

Santosh,

You should not include the JAR that contains the interface in the
classpath of the two bundles. You should make it into a third bundle
and use Import-Package to depend on the interface.

When a class is defined independently by two or more classloaders, the
resulting classes are considered by the JVM to be different, even if
they have exactly the same name and are defined from the same bytes on
disk. Therefore you cannot cast an instance of one type into a field
of the other.

Regards
Neil

On 5/29/08, Santosh Akhilesh <[EMAIL PROTECTED]> wrote:
> Dear All,
>
>
>
> I am new to OSGI and Equinox.
>
>
>
> I have defined an interface say A, this is defined in a project and
exported
> as jar
>
>
>
> Now I create Two OSGI bundles I include this jar in both the bundles.
>
>
>
> >From one bundle I implement the interface A and register the service to
the
> bundle context from second bundle I try to retrieve this service from
bundle
> context in the activator start function.
>
>
>
> I can see that service is retrieved but when I cast it to interface A, I
get
> class cast exception
>
>
>
> Any pointer why this happens and how to correct it.
>
>
>
> Regards,
>
> Santosh Akhilesh
>
> Ph: 9845482201
>
>
>
>
_______________________________________________
equinox-dev mailing list
equinox-dev@eclipse.org
https://dev.eclipse.org/mailman/listinfo/equinox-dev


_______________________________________________
equinox-dev mailing list
equinox-dev@eclipse.org
https://dev.eclipse.org/mailman/listinfo/equinox-dev

Reply via email to