com.jcraft.jsch.JSchException: java.lang.IllegalArgumentException: protocol = socket host = null

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com.jcraft.jsch.JSchException: java.lang.IllegalArgumentException: protocol = socket host = null
at sun.net.spi.DefaultProxySelector.select(Unknown Source)
at java.net.SocksSocketImpl.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at java.net.Socket.(Unknown Source)
at java.net.Socket.(Unknown Source)
at com.jcraft.jsch.Util.createSocket(Util.java:252)
at com.jcraft.jsch.Session.connect(Session.java:186)
at com.jcraft.jsch.Session.connect(Session.java:145)
at rough.RemoteSSH.main(RemoteSSH.java:23)

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