Jenkins從屬節點處於脫機狀態：身份驗證失敗

我有一個使用用戶名/密碼ssh身份驗證的節點。該節點被報告爲脫機，當我嘗試啓動代理我得到：Jenkins從屬節點處於脫機狀態：身份驗證失敗

[02/23/17 15:32:00] [SSH] Opening SSH connection to myUrl:22. 
ERROR: Failed to authenticate as myUser. Wrong password. (credentialId:lawrence/method:keyboard-interactive) 
[02/23/17 15:32:02] [SSH] Authentication failed. 
hudson.AbortException: Authentication failed. 
    at hudson.plugins.sshslaves.SSHLauncher.openConnection(SSHLauncher.java:1217) 
    at hudson.plugins.sshslaves.SSHLauncher$2.call(SSHLauncher.java:711) 
    at hudson.plugins.sshslaves.SSHLauncher$2.call(SSHLauncher.java:706) 
    at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) 
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
    at java.lang.Thread.run(Thread.java:745) 
[02/23/17 15:32:02] Launch failed - cleaning up connection 
[02/23/17 15:32:02] [SSH] Connection closed.

我已經證實，用戶名和密碼都爲我管理手動與他們登錄自己是正確的。

這個錯誤的原因是什麼？

來源

2017-02-23 mangusbrother