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Problen of subscription confusion
April 8, 2021
10:46, EEST
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UlrichFM
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Hello,
I have a problem with subscriptions on the Ansi C Client SDK.
I have already managed to make several subscriptions without problem; but now, i have add two more monitored items that cause me problem. The problem is that, when the first change, the callBack function of subscriptions does not execute but when the second monitored items change, it is considerd as the two of the monitored items have changed then, two CallBack functions are executed and when i debug it, i realise that only the datas of this second monitored item are used for the two callback executed (and the clienthandle of each CallBack is the clienthandle of each monitored item)
I make sure that the two monitored items have different clientHandle but they are confused.
Can somebody help me please ?

April 8, 2021
13:08, EEST
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Jouni Aro
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Hi Ulrich,

It sounds indeed that something is not correct. The confusion can also happen in the server, in which case there is not much to do in the client side.

To find out, whether the problem in on the server or client side, you can use Wireshark to record the actual communication from the server. if it looks different to what you get out from the SDK, then we can report that to the developers. But if it looks like the server is sending wrong notifications, you will have to contact the server developers.

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