getting error ssh exception auth fail in jenkins while executing script

Question

I configured in jenkins pre-build step--> Execute shell script on remote host using ssh

Before the build i want execute the below script I am getting below error can anyone have idea and if any information i missed please let me know Actually the below script is to stop the server [EnvInject] - variables injected successfully

executing script cd /home/appsusr; ./ims-carte-stop.sh

[ssh] Exception:Auth fail
com.jcraft.jsch.jschException: Auth fail
     at com.jcraft.jsch.session.connect(session.java.452)
     at com.jcraft.jsch.session.connect(session.java.150)
     at org.jvnet.hudson.plugins.SSHSite.createSession(SSHSite.java:114)
     at org.jvnet.hudson.plugins.SSHSite.executeCommand(SSHSite.java:124)
     at org.jvnet.hudson.plugins.SSHBuilder.perform(SSHBuilder.java.51)
     at hudson.tasks.BuildStepMonitor$Runner.perform(BuildStepMonitor.java.19)
     at hudson.model.AbstractBuild$AbstractRunner.perform(AbstractBuild.java.700)

can any body please respond to this post

phanikumar Raja
– phanikumar Raja

2013-01-26 18:11:05 +00:00
Commented Jan 26, 2013 at 18:11 — phanikumar Raja
– phanikumar Raja, Commented Jan 26, 2013 at 18:11

Roy · Accepted Answer · 2019-10-02 20:51:21Z

2

Ran into this today. I could ssh from within Jenkins to two systems but not the third, all with shared credentials. It turned out the /etc/ssh/sshd_config on the failing system had "PasswordAuthentication no". This caused the correctly reported Auth fail.

HTH

answered Oct 2, 2019 at 20:51

Roy

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1 Comment

holdenSaysNoPhonies Over a year ago

I wanted to use keyfile only auth so I turned this off. Looks like jenkins' ssh client needs this on for some reason. Thank you for helping me.

mrk · Accepted Answer · 2013-03-20 22:35:44Z

1

I ran into a similar issue and how I fixed it was to add a cmdline switch when starting up jenkins. I set the (long winded) -Dorg...useCLI=true

nohup java -Dorg.jenkinsci.plugins.gitclient.Git.useCLI=true -jar jenkins.war > jenkins.log 2>&1 &

The gist of it is that this switch makes jenkins use installed git, not a JGit client.

Hope that helps.

Also, here's a URL to check out (especially long trail of comments)

https://issues.jenkins-ci.org/browse/JENKINS-17204

answered Mar 20, 2013 at 22:35

mrk

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Arpit Aggarwal · Accepted Answer · 2016-10-09 08:27:00Z

0

I faced the similar issue after I changed the password of Remote Linux machine.

Updating Passphrase/Password in Credentials section of a Job as well as under Manage Jenkins -> Configure Sytem -> SSH remote hosts worked for me.

answered Oct 9, 2016 at 8:27

Arpit Aggarwal

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Syscall · Accepted Answer · 2023-01-15 08:30:51Z

0

This issue may come from /run/nologin. /run/nologin is created by systemd-tmpfiles-setup.service. It is then removed by systemd-user-sessions.service.

So you have to delete this:

$ ls -l /run/nologin
# rm /run/nologin

edited Jan 15, 2023 at 8:30

Syscall

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answered Jan 15, 2023 at 5:49

robin joseph

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