1. When MonitoredItemChanged event occurs there is a gap of more than a day between
ServerTimestamp, SourceTimestamp
and the current time. Why is this happening?
2. Regarding this log, What and who caused the disconnection, an action of my service or the device? How to deal with a Callback enqueuer overflow problem?
*Disconnecting and connecting happens about every minute
*After restarting the service, the problem is solved
2024-09-26 11:29:18.033 – EasyUAClientOnLogEntry Message The OPC-UA client session with connect sequence number 6018 user token selection on endpoint URL "opc.tcp://127.0.0.1:49320" candidate report (2 entries) follows.
[0:NotEligible(NotApplicable("
docs.oasis-open.org/wss/2004/01/oasis-200401-wss-username-token-profile-1.0")), 1:Winner("")].
2024-09-26 11:29:18.033 – EasyUAClientOnLogEntry Message The OPC-UA client session with connect sequence number 6018 on endpoint URL "opc.tcp://127.0.0.1:49320" has been associated with user identity token type 'Anonymous', display name "Anonymous".
2024-09-26 11:29:18.042 – EasyUAClientOnLogEntry Message The OPC-UA server on endpoint URL "opc.tcp://127.0.0.1:49320" returned an empty list of software certificates.
2024-09-26 11:29:18.042 – EasyUAClientOnLogEntry Message The OPC-UA server on endpoint URL "opc.tcp://127.0.0.1:49320" returned an empty server signature.
2024-09-26 11:29:18.044 – EasyUAClientOnLogEntry Message The client session on endpoint URL "opc.tcp://127.0.0.1:49320" has read server start time 09/04/2024 03:55:00 and build info ProductUri="urn:XXX.com:Kepware.KEPServerEX.V6:UA%20Server", ManufacturerName="Kepware", ProductName="KEPServerEX", SoftwareVersion="6.16", BuildNumber="217", BuildDate=08/01/2024 16:08:37.
2024-09-26 11:29:18.044 – EasyUAClientOnLogEntry Message The OPC-UA client session with connect sequence number 6018 has successfully connected to endpoint URL "opc.tcp://127.0.0.1:49320". The server-assigned session Id is "ns=1;g=b9cd30ec-979a-4256-ab5f-e0669adc792b".
2024-09-26 11:29:18.045 – EasyUAClientOnLogEntry Message The OPC-UA subscription on client session with connect sequence number 6018 to endpoint URL "opc.tcp://127.0.0.1:49320" has been successfully created and checked, and given subscription ID 31843. Revised publishing interval is 250, keep-alive count is 20 and lifetime count is 1000.
2024-09-26 11:29:18.296 – EasyUAClientOnLogEntry Message Callback enqueuer overflow. The bounded queue capacity is 100000.
2024-09-26 11:29:18.395 – EasyUAClientOnLogEntry Message The overflow condition of the callback enqueuer is clearing. The overflow count was 28.
2024-09-26 11:29:26.046 – EasyUAClientOnLogEntry Message The OPC-UA client session with connect sequence number 6018 is disconnecting from endpoint URL "opc.tcp://127.0.0.1:49320". Affect SDK engine: yes.
2024-09-26 11:29:26.544 – EasyUAClientOnLogEntry Message The OPC-UA client session with connect sequence number 6018 has disconnected from endpoint URL "opc.tcp://127.0.0.1:49320".
2024-09-26 11:29:45.840 – EasyUAClientOnLogEntry Message The OPC-UA client session with connect sequence number 6019 is connecting to endpoint URL "opc.tcp://127.0.0.1:49320".
2024-09-26 11:29:45.852 – EasyUAClientOnLogEntry Message The OPC-UA client session with connect sequence number 6019 for discovery URL "opc.tcp://127.0.0.1:49320" will use an endpoint selection policy that has warnings. The policy warnings are:
- OPCUA0021: An endpoint with obsolete security policy may be selected by this policy.