the Jenkins node was connected before, today suddenly it was offline. Checked the log as below:

[03/08/18 17:08:03] [SSH] Opening SSH connection to 10.239.94.119:22. [03/08/18 17:08:03] [SSH] Authentication successful. SSH connection reports a garbage before a command execution. Check your .bashrc, .profile, and so on to make sure it is quiet. The received junk text is as follows: WARNING: Your password has expired. Password change required but no TTY available. hudson.AbortException at hudson.plugins.sshslaves.SSHLauncher.verifyNoHeaderJunk(SSHLauncher.java:859) at hudson.plugins.sshslaves.SSHLauncher.access$100(SSHLauncher.java:133) at hudson.plugins.sshslaves.SSHLauncher$2.call(SSHLauncher.java:703) at hudson.plugins.sshslaves.SSHLauncher$2.call(SSHLauncher.java:696) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) [03/08/18 17:08:04] Launch failed - cleaning up connection [03/08/18 17:08:04] [SSH] Connection closed.

it displayed the junk test is 'WARNING: Your password has expired. Password change required but no TTY available'. But I could access this Jenkins node with the original account and password. and searched all the files in Jenkins node, couldn't find any files with this sentence.

Any help is appreciated.