Many of those don’t work, I’d rather not have to maintain that list.
I will work on hosting a Milo demo server that I control and link to that, however. I found the list of servers here and just used one of them: https://github.com/node-opcua/node-opcua/wiki/publicly-available-OPC-UA-Servers-and-Clients
I can read the values:
INFO: Using endpoint: opc.tcp:// opcuaserver.com:48484, None May 23, 2019 2:04:42 PM wvlet.log.Logger log INFO: StartTime = DateTime{utcTime=132030173551650000, javaDate=Wed May 22 18:49:15 CEST 2019} May 23, 2019 2:04:43 PM wvlet.log.Logger log INFO: State = Running May 23, 2019 2:04:43 PM wvlet.log.Logger log INFO: CurrentTime = DateTime{utcTime=132030866808700000, javaDate=Thu May 23 14:04:40 CEST 2019}
May be can you please add the list of OPC servers and clients to the milo README? Joe,
"opcuaserver" doesn't appear to be a hostname reachable from your machine.
Where is the server running?
I came up with a client version and was attempting to connect to a free OPC server here: opc.tcp://opcuaserver:4840
Here is the link to my project, where I run my unit test to get the server timestamp and state
When I run my unit test, I get this error:
May 23, 2019 1:51:40 PM wvlet.log.Logger log INFO: Using endpoint: opc.tcp://opcuaserver:4840, None
java.net.UnknownHostException: opcuaserver: nodename nor servname provided, or not known java.util.concurrent.CompletionException: java.net.UnknownHostException: opcuaserver: nodename nor servname provided, or not known at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:292) at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:308) at java.util.concurrent.CompletableFuture.uniApply(CompletableFuture.java:593) at java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:577) at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:474)
.....
Any idea why is this?
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