Dear Team, I have *Jenkins Master* &* K8s-Master* running on same server(*CentOS-8*), Configured Jenkins *Kubernetes Plugin version - 1.26.4* But while running pipeline job i always getting an error, Below is K8s cluster jenkins agent pod log.
[root@K8s-Master /]# kubectl logs -f pipeline-test-33-sj6tl-r0clh-g559d -c jnlp Aug 08, 2020 8:37:21 AM hudson.remoting.jnlp.Main createEngine INFO: Setting up agent: pipeline-test-33-sj6tl-r0clh-g559d Aug 08, 2020 8:37:21 AM hudson.remoting.jnlp.Main$CuiListener <init> INFO: Jenkins agent is running in headless mode. Aug 08, 2020 8:37:21 AM hudson.remoting.Engine startEngine INFO: Using Remoting version: 4.3 Aug 08, 2020 8:37:21 AM org.jenkinsci.remoting.engine.WorkDirManager initializeWorkDir INFO: Using /home/jenkins/agent/remoting as a remoting work directory Aug 08, 2020 8:37:21 AM org.jenkinsci.remoting.engine.WorkDirManager setupLogging INFO: Both error and output logs will be printed to /home/jenkins/agent/remoting Aug 08, 2020 8:37:21 AM hudson.remoting.jnlp.Main$CuiListener status INFO: Locating server among [http://jenkins-serverjenkins/] Aug 08, 2020 8:37:41 AM hudson.remoting.jnlp.Main$CuiListener error SEVERE: Failed to connect to http://jenkins-server/jenkins/tcpSlaveAgentListener/: jenkins-server java.io.IOException: Failed to connect to http://jenkins-serverjenkins/tcpSlaveAgentListener/: jenkins-server at org.jenkinsci.remoting.engine.JnlpAgentEndpointResolver.resolve(JnlpAgentEndpointResolver.java:217) at hudson.remoting.Engine.innerRun(Engine.java:693) at hudson.remoting.Engine.run(Engine.java:518) Caused by: java.net.UnknownHostException: jenkins-server at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:607) at sun.net.NetworkClient.doConnect(NetworkClient.java:175) at sun.net.www.http.HttpClient.openServer(HttpClient.java:463) at sun.net.www.http.HttpClient.openServer(HttpClient.java:558) at sun.net.www.http.HttpClient.<init>(HttpClient.java:242) at sun.net.www.http.HttpClient.New(HttpClient.java:339) at sun.net.www.http.HttpClient.New(HttpClient.java:357) at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1226) at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1162) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1056) at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:990) at org.jenkinsci.remoting.engine.JnlpAgentEndpointResolver.resolve(JnlpAgentEndpointResolver.java:214) ... 2 more Below settings configuration already enabled glocal security section. Manage Jenkins --> Configure Global Security --> Agents Random [Enabled] [image: 1.png] I am successfully able to communicate from my Jenkins to the K8s master cluster(Verified in Jenkins Cloud section). Even in K8s master server all the namespace pods are running. *Flannel CNI installed*, Not sure what is causing problem with agent provisioning through Jenkins. Would appreciate any suggestions. -- You received this message because you are subscribed to the Google Groups "Jenkins Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to jenkinsci-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/jenkinsci-users/7100644f-f843-4726-8627-9e889ac89484o%40googlegroups.com.
