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Error when trying to unsubscribe #719
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Hi, Is it worth to try an older release of this package? Or do you have any other ideas for a quick fix? Thanks. I'm using the latest dockerized NodeRed v4.0.2 with node-red-contrib-opcua v0.2.331 |
I've installed package version 0.2.330 and unsubscribing seems to work just fine with the previous package version. |
Yes for me the same. In Version 0.2.330 i'm able to unsubscribe with the same flow. I will go with this version until it is fixed. |
I will try to find some to look this one... something changed that I am not aware. |
Did you look my example OPCUA-TEST-NODES.json that you have to store topic that is subscriptionId to unsubscribe. |
Following this, as I am experiencing the same after upgrading to v0.2.331. @mikakaraila When subscribing I store the subscritpionId and I am passing that as msg.topic when I unsubscribe, no errors or warning but still it does not unsubscribe. Also, deletesubscription seems not to work too (I am actually subscribed): |
Hmm, I just checked code and there was local variable. Fixed code. |
Hello,
i get an error when i'm trying to unsubscribe from a variable on my OPC UA Server. See attached a screenshot of the debug messages.
First I subscribe to a variable which is changing frequently. Then i get values of the variable in entered interval.
But when i try to unsubscribe from this variable i get an error. Where is my error?
My Flow looks like this:
[ { "id": "912800e7.e00308", "type": "tab", "label": "Flow 1" }, { "id": "ed6442e94f77eb97", "type": "OpcUa-Client", "z": "912800e7.e00308", "endpoint": "f6af4a4f7d984a0d", "action": "subscribe", "deadbandtype": "a", "deadbandvalue": 1, "time": "5", "timeUnit": "s", "certificate": "n", "localfile": "", "localkeyfile": "", "securitymode": "None", "securitypolicy": "None", "useTransport": false, "maxChunkCount": "", "maxMessageSize": "", "receiveBufferSize": "", "sendBufferSize": "", "name": "", "x": 780, "y": 280, "wires": [ [ "e083bbcaaff38a8a" ], [] ] }, { "id": "e083bbcaaff38a8a", "type": "debug", "z": "912800e7.e00308", "name": "", "active": false, "tosidebar": true, "console": false, "tostatus": false, "complete": "true", "targetType": "full", "statusVal": "", "statusType": "auto", "x": 950, "y": 280, "wires": [] }, { "id": "b2b8559e9d1473ad", "type": "OpcUa-Item", "z": "912800e7.e00308", "item": "ns=2;s=AL-Master.AE4", "datatype": "Double", "value": "", "name": "", "x": 400, "y": 280, "wires": [ [ "05dc4309d53cfc2b" ] ] }, { "id": "25e00916bdb50e92", "type": "function", "z": "912800e7.e00308", "name": "Unsubscribe", "func": "msg.action=\"unsubscribe\";\nreturn msg;", "outputs": 1, "timeout": "", "noerr": 0, "initialize": "", "finalize": "", "libs": [], "x": 590, "y": 360, "wires": [ [ "ed6442e94f77eb97", "c9c8d3378d8d3369" ] ] }, { "id": "85efbdaaf67949c2", "type": "OpcUa-Item", "z": "912800e7.e00308", "item": "ns=2;s=AL-Master.AE4", "datatype": "Double", "value": "", "name": "", "x": 400, "y": 360, "wires": [ [ "25e00916bdb50e92" ] ] }, { "id": "4f86f511bd75df78", "type": "inject", "z": "912800e7.e00308", "name": "Test", "repeat": "", "crontab": "", "once": false, "topic": "", "payload": "", "payloadType": "str", "x": 230, "y": 280, "wires": [ [ "b2b8559e9d1473ad" ] ] }, { "id": "523c6a96bdea9a2b", "type": "inject", "z": "912800e7.e00308", "name": "Test", "repeat": "", "crontab": "", "once": false, "topic": "", "payload": "", "payloadType": "str", "x": 230, "y": 360, "wires": [ [ "85efbdaaf67949c2" ] ] }, { "id": "05dc4309d53cfc2b", "type": "function", "z": "912800e7.e00308", "name": "Subscribe", "func": "msg.action=\"subscribe\";\nreturn msg;", "outputs": 1, "noerr": 0, "x": 580, "y": 280, "wires": [ [ "ed6442e94f77eb97", "3e6f2d548edde3c3" ] ] }, { "id": "c9c8d3378d8d3369", "type": "debug", "z": "912800e7.e00308", "name": "", "active": false, "tosidebar": true, "console": false, "tostatus": false, "complete": "true", "targetType": "full", "statusVal": "", "statusType": "auto", "x": 950, "y": 360, "wires": [] }, { "id": "3e6f2d548edde3c3", "type": "debug", "z": "912800e7.e00308", "name": "", "active": false, "tosidebar": true, "console": false, "tostatus": false, "complete": "true", "targetType": "full", "statusVal": "", "statusType": "auto", "x": 750, "y": 180, "wires": [] }, { "id": "f6af4a4f7d984a0d", "type": "OpcUa-Endpoint", "endpoint": "opc.tcp://172.17.4.157:52530/airleader", "secpol": "None", "secmode": "None", "none": true, "login": false, "usercert": false, "usercertificate": "", "userprivatekey": "" } ]
nodeRED Version 4.0.2
node-red-contrib-opcua 0.2.331
Docker on a QNAP NAS
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