我在mac啟動ssh,jenkins還是連接不上，mac上的啟動ssh命令是

sudo launchctl list | grep sshd

然后可以看到

- 0 com.openssh.sshd

但是Jenkins顯示如下

Warning:?no?key?algorithms?provided;?JENKINS-42959?disabled
[06/13/18?14:48:38]?[SSH]?Opening?SSH?connection?to?192.168.16.16:22.
[06/13/18?14:48:38]?[SSH]?WARNING:?No?entry?currently?exists?in?the?Known?Hosts?file?for?this?host.?Connections?will?be?denied?until?this?new?host?and?its?associated?key?is?added?to?the?Known?Hosts?file.
Key?exchange?was?not?finished,?connection?is?closed.
java.io.IOException:?There?was?a?problem?while?connecting?to?192.168.16.16:22
	at?com.trilead.ssh2.Connection.connect(Connection.java:834)
	at?hudson.plugins.sshslaves.SSHLauncher.openConnection(SSHLauncher.java:1324)
	at?hudson.plugins.sshslaves.SSHLauncher$2.call(SSHLauncher.java:831)
	at?hudson.plugins.sshslaves.SSHLauncher$2.call(SSHLauncher.java:820)
	at?java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at?java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at?java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at?java.lang.Thread.run(Thread.java:745)
Caused?by:?java.io.IOException:?Key?exchange?was?not?finished,?connection?is?closed.
	at?com.trilead.ssh2.transport.KexManager.getOrWaitForConnectionInfo(KexManager.java:95)
	at?com.trilead.ssh2.transport.TransportManager.getConnectionInfo(TransportManager.java:237)
	at?com.trilead.ssh2.Connection.connect(Connection.java:786)
	...?7?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:548)
	at?com.trilead.ssh2.transport.TransportManager.receiveLoop(TransportManager.java:790)
	at?com.trilead.ssh2.transport.TransportManager$1.run(TransportManager.java:502)
	...?1?more
[06/13/18?14:48:38]?Launch?failed?-?cleaning?up?connection
[06/13/18?14:48:38]?[SSH]?連接關閉。Warning:?no?key?algorithms?provided;?JENKINS-42959?disabled