• ThingWorx Connection Server fails to start with error

[main] INFO  c.t.f.i.AbstractManyPlatformWebSocketFabric - Many Platform WebSocket Fabric enabled without service discovery: endpoints=[ws://localhost:8080/Thingworx/WS]
[main] INFO  c.t.s.i.transport.MuxingBytesChannel - Subchannel ws://localhost:8080/Thingworx/WS-1 in channel ws://localhost:8080/Thingworx/WS was no longer valid - unregistering it
[main] INFO  c.t.s.i.transport.MuxingBytesChannel - Subchannel ws://localhost:8080/Thingworx/WS-2 in channel ws://localhost:8080/Thingworx/WS was no longer valid - unregistering it
[main] INFO  c.t.s.i.transport.MuxingBytesChannel - Subchannel ws://localhost:8080/Thingworx/WS-3 in channel ws://localhost:8080/Thingworx/WS was no longer valid - unregistering it
[main] INFO  c.t.s.i.transport.MuxingBytesChannel - Subchannel ws://localhost:8080/Thingworx/WS-4 in channel ws://localhost:8080/Thingworx/WS was no longer valid - unregistering it
[main] INFO  c.t.s.i.transport.MuxingBytesChannel - Subchannel ws://localhost:8080/Thingworx/WS-5 in channel ws://localhost:8080/Thingworx/WS was no longer valid - unregistering it
[main] INFO  c.t.s.i.transport.MuxingBytesChannel - Needed to reconnect subchannels on client endpoint [id: ws://localhost:8080/Thingworx/WS] : [active: 0, max: 5]
[main] INFO  c.t.connectionserver.PlatformImpl - Starting ConnectionServer: UUID=ddc16960-3450-4afa-8688-fb11ddc5949c, Platform protocol=V1, Platform transport=WEBSOCKETS
[main] INFO  c.t.connectionserver.PlatformImpl - Waiting for connection to platform...
[NettyClient-NIO-3] ERROR c.t.s.i.t.netty.NettyBytesChannel - Error while establishing websocket connection on channel com.thingworx.sdk.impl.transport.netty.NettyBytesChannel$2@5547d9a7.
java.net.ConnectException: Connection refused: no further information: localhost/127.0.0.1:8080
    at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) ~[na:1.8.0_121]
    at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717) ~[na:1.8.0_121]
    at io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:224) ~[netty-all-4.0.33.Final.jar:4.0.33.Final]
    at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:289) ~[netty-all-4.0.33.Final.jar:4.0.33.Final]
    at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:528) [netty-all-4.0.33.Final.jar:4.0.33.Final]
    at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468) [netty-all-4.0.33.Final.jar:4.0.33.Final]
    at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382) [netty-all-4.0.33.Final.jar:4.0.33.Final]
    at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354) [netty-all-4.0.33.Final.jar:4.0.33.Final]
    at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:112) [netty-all-4.0.33.Final.jar:4.0.33.Final]
    at java.lang.Thread.run(Thread.java:745) [na:1.8.0_121]