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RE: [equinox-dev] Meaning of a SCR warning message

Hi Stoyan,

Thank you for your response.

To answer your questions:
- It happens repeatedly, but not every time. 
- None of the services involved implement more than one service
interface.

I will ignore the message for now.

Thanks,
-Mike



 
 
 
 
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-----Original Message-----
 
 

From: equinox-dev-bounces@xxxxxxxxxxx
[mailto:equinox-dev-bounces@xxxxxxxxxxx] On Behalf Of Stoyan Boshev
Sent: Friday, August 14, 2009 11:22 AM
To: Equinox development mailing list
Subject: Re: [equinox-dev] Meaning of a SCR warning message

Hi Michael,

This message means there is a duplicate attempt for binding a service to

a component instance.
Can you reproduce this every time you run your application or it just 
happened once?
Does your component have more than one references and at least two of 
them are satisfied by one service object (one service object 
implementing multiple interfaces)?
I reviewed the DS code and I think the most possible reason for this 
warning might be that your component has more than one references and 
their interfaces are implemented by one service object. This way SCR 
will attempt to bind one and the same ServiceReference object for one 
component instance more than once (depending on the count of component 
references covered by the ServiceReference's interfaces). I think this 
warning is not needed since this is a pretty standard situation. It 
should be removed or transformed into a debug message.
If the reason for the warning is the one I described above, you should 
not worry about it and you should ignore it.

Stoyan

Michael Furtak wrote:
> Hi all,
> 
>  
> 
> I am receiving a warning from the DS SCR that reads:
> 
>  
> 
> WARNING 11 [SCR] ComponentReference.bind(): service reference {...} is

> already bound to instance 
> org.eclipse.equinox.internal.ds.impl.ComponentInstanceImpl@11c55bb
> 
>  
> 
> I am not sure what this means or how to go about resolving it. Can 
> anyone share some insight?
> 
>  
> 
> Thanks,
> 
> -Mike Furtak
> 
>  
> 
>  
>  
>  
>  
> THIS MESSAGE IS INTENDED FOR THE USE OF THE PERSON TO WHOM IT IS 
> ADDRESSED. IT MAY CONTAIN INFORMATION THAT IS PRIVILEGED, CONFIDENTIAL

> AND EXEMPT FROM DISCLOSURE UNDER APPLICABLE LAW. If you are not the 
> intended recipient, your use of this message for any purpose is
strictly 
> prohibited. If you have received this communication in error, please 
> delete the message and notify the sender so that we may correct our 
> records.
>  
>  
>  
> 
> 
>
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> 
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