[05/02/17 13:07:48] [SSH] Opening SSH connection to 172.16.11.242:22.
C:\Windows\system32\config\systemprofile\.ssh\known_hosts [SSH] No Known Hosts file was found at C:\Windows\system32\config\systemprofile\.ssh\known_hosts. Please ensure one is created at this path and that Jenkins can read it.
Key exchange was not finished, connection is closed.
java.io.IOException: There was a problem while connecting to 172.16.11.242:22
    at com.trilead.ssh2.Connection.connect(Connection.java:818)
    at com.trilead.ssh2.Connection.connect(Connection.java:687)
    at com.trilead.ssh2.Connection.connect(Connection.java:601)
    at hudson.plugins.sshslaves.SSHLauncher.openConnection(SSHLauncher.java:1265)
    at hudson.plugins.sshslaves.SSHLauncher$2.call(SSHLauncher.java:790)
    at hudson.plugins.sshslaves.SSHLauncher$2.call(SSHLauncher.java:785)
    at java.util.concurrent.FutureTask.run(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)
Caused by: java.io.IOException: Key exchange was not finished, connection is closed.
    at com.trilead.ssh2.transport.KexManager.getOrWaitForConnectionInfo(KexManager.java:93)
    at com.trilead.ssh2.transport.TransportManager.getConnectionInfo(TransportManager.java:230)
    at com.trilead.ssh2.Connection.connect(Connection.java:770)
    ... 9 more
Caused by: java.io.IOException: The server hostkey was not accepted by the verifier callback
    at com.trilead.ssh2.transport.KexManager.handleMessage(KexManager.java:591)
    at com.trilead.ssh2.transport.TransportManager.receiveLoop(TransportManager.java:777)
    at com.trilead.ssh2.transport.TransportManager$1.run(TransportManager.java:489)
    ... 1 more
[05/02/17 13:07:48] Launch failed - cleaning up connection
[05/02/17 13:07:48] [SSH] Connection closed.