Is InterApp communication compatible with a replicated Element

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Is it possible to use InterApp communication on a replicated element?
Currently, we see the following error on the staging system:

2022/04/13 14:30:22.402|SLManagedScripting.exe|ManagedInterop|ERR|0|120|QA4|4|Run|Exception thrown:
System.TimeoutException: Timeout while waiting on responses: 851338dc-c6fc-4613-bf36-56dd81c6dfa5
   at Skyline.DataMiner.Library.Common.Subscription.Waiters.InterApp.MessageWaiter.<WaitNext>d__5.MoveNext()
   at Skyline.DataMiner.Library.Common.InterAppCalls.CallBulk.InterAppCall.<Send>d__30.MoveNext()
   at Skyline.Protocol.Generic.RequestEventsInformation(SLProtocol protocol, ElementInfoEventMessage element)
   at Skyline.Protocol.Generic.GetEventsFromElement(SLProtocolExt protocol, String elementName)
   at QAction.Run(SLProtocolExt protocol)

On the internal test system, we receive an empty response. When switched to the original element everything seems to work fine.

Marieke Goethals [SLC] [DevOps Catalyst] Selected answer as best 14th July 2023

1 Answer

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InterApp Calls were never tested using Replicated Elements.

InterApp calls in the background use two technologies:

  • SLNet remote parameter sets
  • SLNet Subscriptions.

If one of those doesn’t function correctly with replicated elements then InterApp Calls won’t work.

I’ve created a task internally to look into adding replicated elements as part of our testing suite and see if we can get it working.

Marieke Goethals [SLC] [DevOps Catalyst] Selected answer as best 14th July 2023