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    Check if you don't have a VPN or something like this messing with your connection. Also, check Jenkins DNS configurations (try to start it with "--dns 8.8.8.8".

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via GitHub by stmaute
, 1 year ago
q39aun.messaging.internetofthings.ibmcloud.com
java.net.UnknownHostException: q39aun.messaging.internetofthings.ibmcloud.com	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184)	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)	at java.net.Socket.connect(Socket.java:589)	at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:668)	at org.eclipse.paho.client.mqttv3.internal.TCPNetworkModule.start(TCPNetworkModule.java:70)	at org.eclipse.paho.client.mqttv3.internal.SSLNetworkModule.start(SSLNetworkModule.java:86)	at org.eclipse.paho.client.mqttv3.internal.ClientComms$ConnectBG.run(ClientComms.java:650)	at java.lang.Thread.run(Thread.java:745)