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Ubuntu 20.04, qt5.15, c++11 ....
using server example i try to read variable from node built inside the server .... the result is always unread value ... at the end the output of these code .... thi…
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**Describe the bug**
When calling mulptily method in examples/server-methods.py from OPC Router (https://opc-router.com), following error message is created:
```
INFO:asyncua.server.uaprocesso…
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**Describe the bug**
We receive data change notificications from a Siemens S7 1517 (Firmware 2.9.4) OPC UA server with asyncua version 1.1.5.
Console output:
```
C:\>python scratchfile_opcua_cl…
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When using the GUI to write to a Byte attribute (like changing a 1 to a 2), this error is raised:
```py
struct.error: required argument is not an integer
```
Here is a the logs from an error w…
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Hello,
I would like to ask for help.
My python-opcua client cannot connect to the server(Robot Controller)
I already checked using UaExpert.
set up security settings
- made server accept the …
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The OPCUA server which I connect to with the client library advertises a larger than normal MaxStringLength in it's ServerCapabilities.
When I try to call a method of which the result string is longe…
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I did tests with custom data structures with this [example](https://github.com/FreeOpcUa/opcua-asyncio/blob/3b30f4332e842407a3afbc67ab3af9d64cb401b3/examples/server-create-custom-structures.py) but wh…
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Hello,
I am subscribing to 500 data points on Kepware server. It runs well but from time to time (may be once in a few days) I get BadSessionIdInvalid errors.
```
connection.py:332,Waiting for …
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Hello, All.
I am building an OPC UA Server and Client with two RaspberryPi2 Model B, respectively.
The problem occurs on the client as follows: What is the problem?
(Note that the client works …
ghost updated
7 years ago
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hi,
i have used installHistorian for specific nodeid to save historical data, but if in any case server restarts the data saved is completely wiped off starts saving data from that point of time of…