java.lang.IllegalStateException: failed to create a child event loop

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Check if your firewall is not blocking your connection. If it's not, you might need to explicitly set advertised.host.name to advertised.host.name = yourIpAddress, this forces the hosts returned to be the resolvable IP address of your VM.

java.net.ConnectException: Connection timed out: connect
at sun.nio.ch.Net.connect0(Native Method)
at sun.nio.ch.Net.connect(Net.java:454)
at sun.nio.ch.Net.connect(Net.java:446)
at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)

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