~ # kubectl logs --container jnlp jenkins-slave-r59w1-qs283 Warning: JnlpProtocol3 is disabled by default, use JNLP_PROTOCOL_OPTS to alter the behavior Warning: SECRET is defined twice in command-line arguments and the environment variable Warning: AGENT_NAME is defined twice in command-line arguments and the environment variable Nov 01, 2018 12:20:12 PM hudson.remoting.jnlp.Main createEngine INFO: Setting up agent: jenkins-slave-r59w1-qs283 Nov 01, 2018 12:20:12 PM hudson.remoting.jnlp.Main$CuiListener INFO: Jenkins agent is running in headless mode. Nov 01, 2018 12:20:12 PM hudson.remoting.Engine startEngine INFO: Using Remoting version: 3.23 Nov 01, 2018 12:20:12 PM hudson.remoting.Engine startEngine WARNING: No Working Directory. Using the legacy JAR Cache location: /home/jenkins/.jenkins/cache/jars Nov 01, 2018 12:20:13 PM hudson.remoting.jnlp.Main$CuiListener status INFO: Locating server among [http://jenkins-service:8080/] Nov 01, 2018 12:20:13 PM org.jenkinsci.remoting.engine.JnlpAgentEndpointResolver resolve INFO: Remoting server accepts the following protocols: [JNLP4-connect, Ping] Nov 01, 2018 12:20:13 PM org.jenkinsci.remoting.engine.JnlpAgentEndpointResolver resolve INFO: Remoting TCP connection tunneling is enabled. Skipping the TCP Agent Listener Port availability check Nov 01, 2018 12:20:13 PM hudson.remoting.jnlp.Main$CuiListener status INFO: Agent discovery successful Agent address: jenkins-service Agent port: 50000 Identity: 24:e1:66:dc:61:8a:05:cf:65:25:46:d5:59:57:12:be Nov 01, 2018 12:20:13 PM hudson.remoting.jnlp.Main$CuiListener status INFO: Handshaking Nov 01, 2018 12:20:13 PM hudson.remoting.jnlp.Main$CuiListener status INFO: Connecting to jenkins-service:50000 Nov 01, 2018 12:20:13 PM hudson.remoting.jnlp.Main$CuiListener status INFO: Trying protocol: JNLP4-connect Nov 01, 2018 12:20:13 PM hudson.remoting.jnlp.Main$CuiListener status INFO: Remote identity confirmed: 24:e1:66:dc:61:8a:05:cf:65:25:46:d5:59:57:12:be Nov 01, 2018 12:20:14 PM hudson.remoting.jnlp.Main$CuiListener status INFO: Connected Nov 01, 2018 12:20:24 PM org.jenkinsci.remoting.util.AnonymousClassWarnings warn WARNING: Attempt to (de-)serialize anonymous class org.jenkinsci.plugins.gitclient.Git$1; see: https://jenkins.io/redirect/serialization-of-anonymous-classes/ Nov 01, 2018 12:20:29 PM org.jenkinsci.remoting.util.AnonymousClassWarnings warn WARNING: Attempt to (de-)serialize anonymous class org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler$1; see: https://jenkins.io/redirect/serialization-of-anonymous-classes/ Nov 01, 2018 12:20:49 PM hudson.remoting.jnlp.Main$CuiListener status INFO: Terminated Nov 01, 2018 12:20:59 PM jenkins.slaves.restarter.JnlpSlaveRestarterInstaller$FindEffectiveRestarters$1 onReconnect INFO: Restarting agent via jenkins.slaves.restarter.UnixSlaveRestarter@53d577ce Nov 01, 2018 12:21:00 PM hudson.remoting.jnlp.Main createEngine INFO: Setting up agent: jenkins-slave-r59w1-qs283 Nov 01, 2018 12:21:00 PM hudson.remoting.jnlp.Main$CuiListener INFO: Jenkins agent is running in headless mode. Nov 01, 2018 12:21:00 PM hudson.remoting.Engine startEngine INFO: Using Remoting version: 3.23 Nov 01, 2018 12:21:00 PM hudson.remoting.Engine startEngine WARNING: No Working Directory. Using the legacy JAR Cache location: /home/jenkins/.jenkins/cache/jars Nov 01, 2018 12:21:01 PM hudson.remoting.jnlp.Main$CuiListener status INFO: Locating server among [http://jenkins-service:8080/] Nov 01, 2018 12:21:01 PM org.jenkinsci.remoting.engine.JnlpAgentEndpointResolver resolve INFO: Remoting server accepts the following protocols: [JNLP4-connect, Ping] Nov 01, 2018 12:21:01 PM org.jenkinsci.remoting.engine.JnlpAgentEndpointResolver resolve INFO: Remoting TCP connection tunneling is enabled. Skipping the TCP Agent Listener Port availability check Nov 01, 2018 12:21:01 PM hudson.remoting.jnlp.Main$CuiListener status INFO: Agent discovery successful Agent address: jenkins-service Agent port: 50000 Identity: 24:e1:66:dc:61:8a:05:cf:65:25:46:d5:59:57:12:be Nov 01, 2018 12:21:01 PM hudson.remoting.jnlp.Main$CuiListener status INFO: Handshaking Nov 01, 2018 12:21:01 PM hudson.remoting.jnlp.Main$CuiListener status INFO: Connecting to jenkins-service:50000 Nov 01, 2018 12:21:01 PM hudson.remoting.jnlp.Main$CuiListener status INFO: Trying protocol: JNLP4-connect Nov 01, 2018 12:21:01 PM hudson.remoting.jnlp.Main$CuiListener status INFO: Remote identity confirmed: 24:e1:66:dc:61:8a:05:cf:65:25:46:d5:59:57:12:be Nov 01, 2018 12:21:01 PM org.jenkinsci.remoting.protocol.impl.ConnectionHeadersFilterLayer onRecv INFO: [JNLP4-connect connection to jenkins-service/10.233.13.248:50000] Local headers refused by remote: Unknown client name: jenkins-slave-r59w1-qs283 Nov 01, 2018 12:21:01 PM hudson.remoting.jnlp.Main$CuiListener status INFO: Protocol JNLP4-connect encountered an unexpected exception java.util.concurrent.ExecutionException: org.jenkinsci.remoting.protocol.impl.ConnectionRefusalException: Unknown client name: jenkins-slave-r59w1-qs283 at org.jenkinsci.remoting.util.SettableFuture.get(SettableFuture.java:223) at hudson.remoting.Engine.innerRun(Engine.java:614) at hudson.remoting.Engine.run(Engine.java:474) Caused by: org.jenkinsci.remoting.protocol.impl.ConnectionRefusalException: Unknown client name: jenkins-slave-r59w1-qs283 at org.jenkinsci.remoting.protocol.impl.ConnectionHeadersFilterLayer.newAbortCause(ConnectionHeadersFilterLayer.java:378) at org.jenkinsci.remoting.protocol.impl.ConnectionHeadersFilterLayer.onRecvClosed(ConnectionHeadersFilterLayer.java:433) at org.jenkinsci.remoting.protocol.ProtocolStack$Ptr.onRecvClosed(ProtocolStack.java:832) at org.jenkinsci.remoting.protocol.FilterLayer.onRecvClosed(FilterLayer.java:287) at org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.onRecvClosed(SSLEngineFilterLayer.java:172) at org.jenkinsci.remoting.protocol.ProtocolStack$Ptr.onRecvClosed(ProtocolStack.java:832) at org.jenkinsci.remoting.protocol.NetworkLayer.onRecvClosed(NetworkLayer.java:154) at org.jenkinsci.remoting.protocol.impl.BIONetworkLayer.access$1500(BIONetworkLayer.java:48) at org.jenkinsci.remoting.protocol.impl.BIONetworkLayer$Reader.run(BIONetworkLayer.java:247) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at hudson.remoting.Engine$1.lambda$newThread$0(Engine.java:93) at java.lang.Thread.run(Thread.java:748) Suppressed: java.nio.channels.ClosedChannelException ... 7 more Nov 01, 2018 12:21:01 PM hudson.remoting.jnlp.Main$CuiListener status INFO: Connecting to jenkins-service:50000 Nov 01, 2018 12:21:01 PM hudson.remoting.jnlp.Main$CuiListener status INFO: Server reports protocol JNLP4-plaintext not supported, skipping Nov 01, 2018 12:21:01 PM hudson.remoting.jnlp.Main$CuiListener status INFO: Protocol JNLP3-connect is not enabled, skipping Nov 01, 2018 12:21:01 PM hudson.remoting.jnlp.Main$CuiListener status INFO: Server reports protocol JNLP2-connect not supported, skipping Nov 01, 2018 12:21:01 PM hudson.remoting.jnlp.Main$CuiListener status INFO: Server reports protocol JNLP-connect not supported, skipping Nov 01, 2018 12:21:01 PM hudson.remoting.jnlp.Main$CuiListener error SEVERE: The server rejected the connection: None of the protocols were accepted java.lang.Exception: The server rejected the connection: None of the protocols were accepted at hudson.remoting.Engine.onConnectionRejected(Engine.java:675) at hudson.remoting.Engine.innerRun(Engine.java:639) at hudson.remoting.Engine.run(Engine.java:474)