[JIRA] (JENKINS-59315) This agent is offline because Jenkins failed to launch the agent process on it.

[wise...@gmail.com (JIRA)]

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Sanjeev Kumar Narayanaswamy created an issue   Jenkins / JENKINS-59315 This agent is offline because Jenkins failed to launch the agent process on it. Issue Type: Bug Assignee: Sanjeev Kumar Narayanaswamy Components: ssh-agent-plugin Created: 2019-09-11 09:55 Environment: Jenkins 2.38, SSh slave agent 1.26 Priority: Major Reporter: Sanjeev Kumar Narayanaswamy when ever i launch the agent i am getting below error in the console: Warning: no key algorithms provided; JENKINS-42959 disabled [03/27/19 10:36:13] [SSH] Opening SSH connection to ​10.1.1.62​:22. ​10.1.1.62​ java.io.IOException: There was a problem while connecting to ​10.1.1.62​: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.net.UnknownHostException: ​10.1.1.62​         at java.net.InetAddress.getAllByName0(InetAddress.java:1259)         at java.net.InetAddress.getAllByName(InetAddress.java:1171)         at java.net.InetAddress.getAllByName(InetAddress.java:1105)         at java.net.InetAddress.getByName(InetAddress.java:1055)         at com.trilead.ssh2.transport.TransportManager.createInetAddress(TransportManager.java:166)         at com.trilead.ssh2.transport.TransportManager.establishConnection(TransportManager.java:366)         at com.trilead.ssh2.transport.TransportManager.initialize(TransportManager.java:480)         at com.trilead.ssh2.Connection.connect(Connection.java:774)         ... 7 more [03/27/19 10:36:13] Launch failed - cleaning up connection [03/27/19 10:36:13] [SSH] Connection closed. Add Comment   This message was sent by Atlassian Jira (v7.13.6#713006-sha1:cc4451f) -- You received this message because you are subscribed to the Google Groups "Jenkins Issues" group. To unsubscribe from this group and stop receiving emails from it, send an email to jenkinsci-issues+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/jenkinsci-issues/JIRA.201865.1568195725000.1198.1568195760130%40Atlassian.JIRA.