[Backlogmanager] [FIWARE-JIRA] (HELP-17379) [fiware-stackoverflow] adding nested OPC-UA Variable results in " String cannot be coerced to a nodeId"

[Fernando Lopez (JIRA)]

     [ https://jira.fiware.org/browse/HELP-17379?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Fernando Lopez reassigned HELP-17379:
-------------------------------------

    Assignee: Fernando Lopez

> [fiware-stackoverflow] adding nested OPC-UA Variable results in "String cannot be coerced to a nodeId"
> ----------------------------------------------------------------------------------------------------------------
>
>                 Key: HELP-17379
>                 URL: https://jira.fiware.org/browse/HELP-17379
>             Project: Help-Desk
>          Issue Type: Monitor
>          Components: FIWARE-TECH-HELP
>            Reporter: Backlog Manager
>            Assignee: Fernando Lopez
>              Labels: fiware, fiware-orion, opc-ua
>
> Created question in FIWARE Q/A platform on 16-02-2021 at 10:02
> {color: red}Please, ANSWER this question AT{color} https://stackoverflow.com/questions/66221917/adding-nested-opc-ua-variable-results-in-string-cannot-be-coerced-to-a-nodeid
> +Question:+
> adding nested OPC-UA Variable results in "String cannot be coerced to a nodeId"
> +Description:+
> Error: String cannot be coerced to a nodeId
> Hi,
> I was busy setting up a connection between the Orion Broker and an PLC with OPC-UA Server using the opcua iotagent agent.
> I managed to setup all parts and I am able to receive (test) data, but I am unable to follow the tutorial with regards to adding an entity to the Orion-Broker using a json file:
> curl http://localhost:4001/iot/devices      -H "fiware-service: plcservice"      -H "fiware-servicepath: /demo"      -H "Content-Type: application/json"      -d @add_device.json
> The expected result would be an added entity to the OrionBroker with the supplied data, but this only results in a error message:
> {"name":"Error","message":"String cannot be coerced to a nodeId : ns*4:s*MAIN.mainVar"}
> suspected Error
> Is it possible that the iotagent does not work nicely with nested Variables?
> steps taken
> doublechecked availability of OPC Data:
> OPC data changes every second, can be seen in Broker log
> reduced complexity of setup to only include Broker and IOT-agent
> additional information:
> add_device.json file:
> { 
> "devices": [
>     {
>         "device_id": "plc1",
>         "entity_name": "PLC1",
>         "entity_type": "plc",
>         "attributes": [
>             
>             {
>                 "object_id": "ns*4:s*MAIN.mainVar",
>                 "name": "main",
>                 "type": "Number"
>             }
>         ],
>         "lazy": [
>         ],
>         "commands" : []
>   }
> ]
> }
> config of IOT-agent (from localhost:4081/config):
> {
>   "config": {
>     "logLevel": "DEBUG",
>     "contextBroker": {
>       "host": "orion",
>       "port": 1026
>     },
>     "server": {
>       "port": 4001,
>       "baseRoot": "/"
>     },
>     "deviceRegistry": {
>       "type": "memory"
>     },
>     "mongodb": {
>       "host": "iotmongo",
>       "port": "27017",
>       "db": "iotagent",
>       "retries": 5,
>       "retryTime": 5
>     },
>     "types": {
>       "plc": {
>         "service": "plcservice",
>         "subservice": "/demo",
>         "active": [
>           {
>             "name": "main",
>             "type": "Int16"
>           },
>           {
>             "name": "test1",
>             "type": "Int16"
>           },
>           {
>             "name": "test2",
>             "type": "Int16"
>           }
>         ],
>         "lazy": [],
>         "commands": []
>       }
>     },
>     "browseServerOptions": null,
>     "service": "plc",
>     "subservice": "/demo",
>     "providerUrl": "http://iotage:4001",
>     "pollingExpiration": "200000",
>     "pollingDaemonFrequency": "20000",
>     "deviceRegistrationDuration": "P1M",
>     "defaultType": null,
>     "contexts": [
>       {
>         "id": "plc_1",
>         "type": "plc",
>         "service": "plcservice",
>         "subservice": "/demo",
>         "polling": false,
>         "mappings": [
>           {
>             "ocb_id": "test1",
>             "opcua_id": "ns=4;s=test.TestVar.test1",
>             "object_id": null,
>             "inputArguments": []
>           },
>           {
>             "ocb_id": "test2",
>             "opcua_id": "ns=4;s=test.TestVar.test2",
>             "object_id": null,
>             "inputArguments": []
>           },
>           {
>             "ocb_id": "main",
>             "opcua_id": "ns=4;s=MAIN.mainVar",
>             "object_id": null,
>             "inputArguments": []
>           }
>         ]
>       }
>     ]
>   }
> }



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