The data in opc-ua server is not collected. The thingsboard panel does not display telemetry data.

[BIT-masterpy]

Hello, I use the third-party opc-ua server (milo) and tb-gateway and thingsboard for the test of data collection.Milo and TB -gateway were successfully connected, and tb-gateway and thingsboard were successful, but there was no telemetry data.The log files of the three are as follows:
@mp-loki @ashvayka

opc-server（milo）.txt
tb-gateway.txt
thingsboard.txt

tb-gateway.yml:

gateways:
tenants:
-
label: "Tenant"
reporting:
interval: 60000
persistence:
type: file
path: storage
bufferSize: 1000
connection:
host: localhost
port: 1882
retryInterval: 3000
maxInFlight: 1000
security:
accessToken: "4cq1eFC25o6ZpSLkyXec"
remoteConfiguration: false
extensions:
-
id: "opc-ua"
type: "OPC UA"
extensionConfiguration: opc-config.json

opc-config.json：
{
"servers": [
{
"applicationName": "Thingsboard OPC-UA client",
"applicationUri": "",
"host": "192.168.56.1",
"port": 12686,
"scanPeriodInSeconds": 10,
"timeoutInMillis": 5000,
"security": "None",
"identity": {
"type": "anonymous"
},
"keystore": {
"type": "PKCS12",
"location": "example.pfx",
"fileContent": "",
"password": "secret",
"alias": "gateway",
"keyPassword": "secret"
},
"mapping": [
{
"deviceNodePattern": "Objects\.HelloWorld\.Dynamic",
"deviceNamePattern": "Device1",
"attributes":[
{
"key": "Boolean val",
"type": "boolean",
"value":"${Boolean}"
}
],
"timeseries":[
{
"key": "Double Val",
"type":"double",
"value":"${Double}"
}
]
}
]
}
]
}

Milo address space：

[mp-loki]

1. deviceNodePattern should have double backslashes:
   "deviceNodePattern": "Objects\\.HelloWorld\\.Dynamic",
2. delete any gateway logs.
3. Go to logback.xml, set *org.thingsboard log level to TRACE, restart the gateway and post your gateway log here.
   This way we will be able to see if it got connected to OPC-UA server and found the devices or not.

[BIT-masterpy]

@mp-loki
Thank you. I have made some changes.The results are as follows:

tb-gateway.txt

[BIT-masterpy]

tb-gateway.txt

[mp-loki]

Can you please try to change deviceNodePattern to "HelloWorld/Dynamic" or "HelloWorld\/Dynamic" and let me know if it helps?
I think I figured out how the behaviour is different from KEPServer.

[BIT-masterpy]

@mp-loki
Thank you very much. The thingsboard is running successfully.

[mp-loki]

So may I assume this issue resolved?

[BIT-masterpy]

yes

[liangguorui666]

@BIT-masterpy 你好 ，我在解析的时候和你遇到相同的问题 能否告知一下您最后的配置文件的格式。
谢谢了

[liangguorui666]

opc-config.json 这个文件