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From: David Bosschaert <david.bosschaert@gmail.com>
Date: Fri, 26 Mar 2010 11:37:51 +0000
Message-ID: <a1e060231003260437j18c1ba03t3d973f4abcb7f73f@mail.gmail.com>
Subject: Re: Questions About the DOSGi Greeter Demo
To: users@cxf.apache.org
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Just wanted to add a little bit of background on the semantics around
addingService()
In OSGi, every callback to addingService() represents a separate
service in the OSGi Framework (either a local or a distributed
service) and every removedService() call represents a service that has
been removed.
The bug you were seeing was caused by a bug in the cleanup of
statically registered services, where the service should have been
removed when a bundle containing the remote-services.xml file was
stopped. This removal didn't happen but when that bundle was started
again the service did get registered again hence the multiples...

Hope that 1.2-SNAPSHOT version fixes it for you too.

David

2010/3/25 David Bosschaert <david.bosschaert@gmail.com>:
> Hi Nick,
>
> I have been able to reproduce your problem with CXF-DOSGi 1.1.
> The good news is that it seems to be fixed on trunk. Try installing
> the single bundle distro from [1] and see if that helps.
>
> Hope this helps,
>
> David
>
> [1] https://repository.apache.org/content/groups/snapshots/org/apache/cxf=
/dosgi/cxf-dosgi-ri-singlebundle-distribution/1.2-SNAPSHOT/cxf-dosgi-ri-sin=
glebundle-distribution-1.2-SNAPSHOT.jar
>
> 2010/3/24 Pan Nick <penguin_1986@hotmail.com>:
>>
>> Hi,
>> I am new to DOSGi, and I have some question about the starter demo proje=
ct hosted at http://cxf.apache.org/distributed-osgi-greeter-demo-walkthroug=
h.html
>> My client and server are running Felix 2.0.1.
>>  Interaction between them seems to be working fine (invoking services be=
tween OSGi containers); however, I noticed that  the addingService (functio=
n calls of the ServiceTracker on client side) are executed multiple times w=
hich leads to duplicates of the same OSGi service being added to the client=
.   More precisely, a service tracker is created within a client OSGi bundl=
e to track an OSGi service offered by the server; however, the addingServic=
e function of the tracker is run multiple times when the client bundle is a=
ctivated.
>> This can be prevented by adding a unique-check at the addingService(), b=
ut I am wondering is the above scenario working as intended? If not, is any=
one getting this as well?
>> Thanks,Nick
>>
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=AF=E0=A1C=A7=D6=A8=D3=A8=CF=A5=CE=A7K=B6O=AA=BA Windows Live Hotmail=A1C
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