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mikakaraila / node-red-contrib-opcua

A Node-RED node to communicate OPC UA. Uses node-opcua library.
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Client not yet created & connected, cannot getEndpoints! #724

Open PLCs7 opened 3 months ago

PLCs7 commented 3 months ago

error

2024-08-27T13:33:29: 27 Aug 13:33:29 - [error] [OpcUa-Client:Filo2] Client node error on: Filo2 error: ["Client not yet created & connected, cannot getEndpoints!"]

os --> Microsoft Windows Server 2022 Standard nodejs --> 20.15 node-red --> 4.0.1 node-red-contrib-opcua --> 0.2.329

Good afternoon , my opc-ua client is giving the above error that occurs after a couple of hours of machine downtime. More precisely the error occurs when the machine comes back online, the opc-ua client connection restores correctly after a while (15/20) by itself, during this time the client is unable to connect to the opc server and throw the above error alternating with recconect attempts.

thank you in advance

mikakaraila commented 3 months ago

I expect this is some timing problem as client object is created then it will list all available endpoints before creating session and activating it. Perhaps server cannot provide endpoints always as client seems to give error. I should update node-opcua package as it could contain improvements to this...