Hi,

Just wanted to give you an update.
We've got it all working now using the pre-release version 5.60.0-rev15 nuget package.
I'm not sure why we were getting that weird licensing error, but it stopped when I removed some Task-related code that wrapped around the calls to SubscribeMultiple(). On another developer's machine we replicated the error but in that case we saw the same License error with slightly different code structure (still using Tasks though).

When I have some more time I'll see if I can reliably replicate the License error, and if I can then I'll provide the details.

Just a couple of questions:
1. When will the fix for the WCF HttpBindings be available as a stable nuget release?
2. Do you have an example of how to configure the HttpBinding through appsettings.json?

Regards

I'm doing all of this during my Visual Studio debugging sessions, so the host process is started at the same time as the IHostedService that runs the OPC client code.

Our code makes heavy use of async/await, and wraps alot of operations inside Threading.Tasks. Is there anything in the licensing that might get messed up from deeply nested threading?

I've been trying to get our existing project to work, but I think now I will strip it back down to the basics and see if I can get the subscriptions to work properly. I'll let you know what I find.

Regards

Hi,

1. Yes, we're running on a trial license, and it appears to stop early.
2. We're using .NET Core 3.1
3. It's a .NET Core console app. The main AppHost runs one or more IHostedServices (aka BackgroundService classes), one of which is our OPC client that interfaces with the server/simulator. The app is intended to be deployed and run as a Windows Service.

Best Regards,

Hi,

Thanks for providing the prerelease version. We've updated to the prerelease nuget package, and changed our code to sequentially browse each asset one-by-one, and subscribing to each asset's tags:

However, while the application is still going through the process of iterating over all the assets and setting up subscriptions, we're now getting license errors like the following:

2021-02-10 11:55:37.904 [WRN] [] Opc Item: {"tag":"Turbine.A25.BladeAngleC","dataValue":"Run time is over the limit in license \"Multipurpose\", serial number 1111111120. The license you are running (most likely trial version) does not provide valid data after certain time period expires. Note that after the component's process is simply restarted, valid data will be provided again. Obtain and install proper license to permanently resolve this error. [...]"}

This is happening after only 2-3 minutes of runtime. The application usually loops over the first 30 assets (out of a possible 110 in our simulator) and then we start to see these errors. I've tried to see if it's related to the total number of tags subscribed, but I've seen the error with as few as ~750 tags and as many as ~1700; there doesn't appear to be a consistent pattern.

I've also tried the latest stable nuget release 5.59.1055 but the same error occurs after a few minutes.

We're in the process of getting budget approval to purchase a site license, but that could take quite a few weeks.

Any ideas what could be wrong?

Best Regards