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14:18, EEST
October 1, 2021
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Hi Team,
I have installed free version of Opc UA simulation server in my machine(windows 10) and it was able to run early. But now after restarting my machine It’s not running,
In a “Server Status” it’s showing “ERROR: Failed to initialize server endpoint: opc.tcp:” . Please guide me to solve this.
15:30, EEST
Moderators
August 6, 2019
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Hi,
You can try to resolve this by removing the file “serverSettings.xml” at C:\Users\[USERNAME]\.prosysopc\prosys-opc-ua-simulation-server and then restart the application.
19:15, EEST
August 1, 2022
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I have just encountered the same problem (In “Server Status” it’s showing “ERROR: Failed to initialize server endpoint: opc.tcp…:” )
I’ve been using the Prosys OPC UA Simulation Server free edition for an online learning course for some months, so wonder if my license might have expired?
I was able to use the Simulation Server earlier today, but when I stopped and restarted it the error appeared.
I tried reinstalling, and removing the file “serverSettings.xml” , but that did not help.
I notice in the log that the bind is failing (see below).
Can you help recover use of Prosys OPC UA Simulation Server?
08/01/2022 17:04:03.411 ERROR [b STARTING] com.prosysopc.ua.stack.transport.tcp.nio.f [] – Failed to bind address /0:0:0:0:0:0:0:0:53530
java.net.BindException: Address already in use: bind
at sun.nio.ch.Net.bind0(Native Method) ~[?:?]
at sun.nio.ch.Net.bind(Net.java:461) ~[?:?]
at sun.nio.ch.Net.bind(Net.java:453) ~[?:?]
at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:227) ~[?:?]
at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:80) ~[?:?]
at com.prosysopc.ua.stack.utils.asyncsocket.g.b(SourceFile:130) ~[app-5.1.2-358.jar:5.1.2-358]
at com.prosysopc.ua.stack.utils.asyncsocket.c.a(SourceFile:130) ~[app-5.1.2-358.jar:5.1.2-358]
at com.prosysopc.ua.stack.transport.tcp.nio.f.a(SourceFile:397) [app-5.1.2-358.jar:5.1.2-358]
at com.prosysopc.ua.stack.a.e.a(SourceFile:228) [app-5.1.2-358.jar:5.1.2-358]
at com.prosysopc.ua.server.aq.cn(SourceFile:2189) [app-5.1.2-358.jar:5.1.2-358]
at com.prosysopc.ua.server.aq.Ao(SourceFile:2236) [app-5.1.2-358.jar:5.1.2-358]
at com.prosysopc.ua.server.aq.start(SourceFile:2097) [app-5.1.2-358.jar:5.1.2-358]
at com.prosysopc.ua.app.simserver.server.d.start(SourceFile:186) [app-5.1.2-358.jar:5.1.2-358]
at com.prosysopc.ua.app.simserver.server.d$b.startUp(SourceFile:96) [app-5.1.2-358.jar:5.1.2-358]
at com.google.common.util.concurrent.AbstractIdleService$DelegateService$1.run(AbstractIdleService.java:61) [guava-29.0-jre.jar:?]
at com.google.common.util.concurrent.Callables$4.run(Callables.java:119) [guava-29.0-jre.jar:?]
at java.lang.Thread.run(Thread.java:834) [?:?]
08/01/2022 17:04:03.424 INFO [b STARTING] com.prosysopc.ua.stack.transport.tcp.nio.f [] – null closed
UPDATE: I changed the OCP/TCP port in serverSettings.xml, and the Simulation Server started OK.
52520
I haven’t found why it started having problems with the default port 53530, which doesn’t seem to be in use by anything else.
11:56, EEST
Moderators
August 6, 2019
Offline
Hi,
Good to hear that you got it working. The issue does indeed point to the port not being available. Are you possibly using Docker in Windows? You can also check for any port exclusion ranges with the command “netsh interface ipv4 show excludedportrange protocol=tcp”. Ports inside the exclusion ranges are also unavailable for applications and these ranges can change between system restarts.
12:41, EEST
June 8, 2016
Offline
The auto-discovery of endpoints should be excluding the host “host.docker.internal” automatically, which it doesn’t.
@Prosys this is a feauture request to you guys.
Apparently the Servers tries to bind to the same port twice which let’s the whole start fail.
08/10/2022 10:59:00.661 ERROR [SimulationServer] com.prosysopc.ua.app.simserver.i [] – Could not start the application.
java.lang.IllegalStateException: Expected the service f [FAILED] to be RUNNING, but the service has FAILED
at com.google.common.util.concurrent.AbstractService.checkCurrentState(AbstractService.java:379) ~[guava-29.0-jre.jar:?]
at com.google.common.util.concurrent.AbstractService.awaitRunning(AbstractService.java:303) ~[guava-29.0-jre.jar:?]
at com.google.common.util.concurrent.AbstractIdleService.awaitRunning(AbstractIdleService.java:164) ~[guava-29.0-jre.jar:?]
at com.prosysopc.ua.app.simserver.i.b(SourceFile:94) ~[app-5.2.2-9.jar:5.2.2-9]
at com.prosysopc.ua.app.simserver.SimulationServer.main(SourceFile:32) ~[app-5.2.2-9.jar:5.2.2-9]
at com.prosysopc.ua.app.Main.main(Main.java:13) ~[prosys-opc-ua-simulation-server-5.2.2-9.jar:5.2.2-9]
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?]
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
at com.exe4j.runtime.LauncherEngine.launch(LauncherEngine.java:84) ~[i4jruntime.jar:?]
at com.exe4j.runtime.WinLauncher.main(WinLauncher.java:94) ~[i4jruntime.jar:?]
at com.install4j.runtime.launcher.WinLauncher.main(WinLauncher.java:25) ~[i4jruntime.jar:?]
Caused by: java.lang.IllegalStateException: Expected to be healthy after starting. The following services are not running: {FAILED=[b [FAILED]]}
at com.google.common.util.concurrent.ServiceManager$ServiceManagerState.checkHealthy(ServiceManager.java:782) ~[guava-29.0-jre.jar:?]
at com.google.common.util.concurrent.ServiceManager$ServiceManagerState.awaitHealthy(ServiceManager.java:594) ~[guava-29.0-jre.jar:?]
at com.google.common.util.concurrent.ServiceManager.awaitHealthy(ServiceManager.java:322) ~[guava-29.0-jre.jar:?]
at com.prosysopc.ua.app.simserver.services.f.startUp(SourceFile:77) ~[app-5.2.2-9.jar:5.2.2-9]
at com.google.common.util.concurrent.AbstractIdleService$DelegateService$1.run(AbstractIdleService.java:61) ~[guava-29.0-jre.jar:?]
at com.google.common.util.concurrent.Callables$4.run(Callables.java:119) ~[guava-29.0-jre.jar:?]
at java.lang.Thread.run(Thread.java:834) ~[?:?]
Suppressed: com.google.common.util.concurrent.ServiceManager$FailedService: b [FAILED]
Caused by: com.prosysopc.ua.server.ar: Failed to initialize server endpoint: opc.tcp://host.docker.internal:53530/OPCUA/SimulationServer
at com.prosysopc.ua.server.aq.cq(SourceFile:2239) ~[app-5.2.2-9.jar:5.2.2-9]
at com.prosysopc.ua.server.aq.AO(SourceFile:2254) ~[app-5.2.2-9.jar:5.2.2-9]
at com.prosysopc.ua.server.aq.start(SourceFile:2115) ~[app-5.2.2-9.jar:5.2.2-9]
at com.prosysopc.ua.app.simserver.server.d.start(SourceFile:186) ~[app-5.2.2-9.jar:5.2.2-9]
at com.prosysopc.ua.app.simserver.server.d$b.startUp(SourceFile:96) ~[app-5.2.2-9.jar:5.2.2-9]
at com.google.common.util.concurrent.AbstractIdleService$DelegateService$1.run(AbstractIdleService.java:61) ~[guava-29.0-jre.jar:?]
at com.google.common.util.concurrent.Callables$4.run(Callables.java:119) ~[guava-29.0-jre.jar:?]
at java.lang.Thread.run(Thread.java:834) ~[?:?]
Deleting serverSettings.xml would not help.
It got generated with.
I tried
false
and it would not help.
I tried
127.0.0.1
and it would not help.
I tried
localhost
and it would not help.
I tried pausing Docker Desktop and it would not help.
I tried quitting Docker Desktop and it would not help.
(always the exception with trying to bind to host.docker.internal)
I noticed this section in my hosts file:
# Added by Docker Desktop
10.254.81.31 host.docker.internal
10.254.81.31 gateway.docker.internal
# To allow the same kube context to work on the host and the container:
127.0.0.1 kubernetes.docker.internal
commenting these out, I still get
ERROR: Failed to initialize server endpoint: opc.tcp://:53530/OPCUA/SimulationServer
I gues workaround should be limiting the auto-discovery, but I don’t know how to configure it properly. Please advise.
I am willing to set up a Remote Call, feel free to get in touch with me.
I also have some code I could borrow, that I use for my own OPC UA Server (stuff in conjunction with NetworkInterface.getNetworkInterfaces()).
13:04, EEST
June 8, 2016
Offline
Sorry for the bad formatting of the previous post. Some XML tags got gobbled because the forum does not like that markup? Is there a way to escape preformatted text in this forum?
13:58, EEST
Moderators
August 6, 2019
Offline
You can try adding “opcTcpAddress” tag with the IP value you wish to use inside “opcTcpAddresses” along with setting “useAllIPAddresses” to false in serverSettings.xml.
Thanks for reporting the issue and we will see if we can get some improvements in future releases. And yes the forum does not like XML.
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