[JIRA] [remoting] (JENKINS-31735) Remoting : NioChannelHub is not currently running

[manoharsj@gmail.com (JIRA)]

manohar joshi created an issue

Jenkins / JENKINS-31735 Remoting : NioChannelHub is not currently running Issue Type: Bug Assignee: Kohsuke Kawaguchi Components: remoting, vsphere-cloud-plugin, windows-slaves-plugin Created: 25/Nov/15 4:59 AM Environment: Master Jenkins slave on Ubuntu 12.04 Slave Windows 2008 R2 Server JRE 1.8 Labels: remoting niochanelhub windows Priority: Major Reporter: manohar joshi When We try to reconnect any windows slave it throws following exception. JNLP agent connected from /10.219.160.235 <===[JENKINS REMOTING CAPACITY]===>Failed to establish the connection with the slave IB-TC-5 java.io.IOException: NioChannelHub is not currently running at org.jenkinsci.remoting.nio.NioChannelHub$1.makeTransport(NioChannelHub.java:492) at hudson.remoting.ChannelBuilder.negotiate(ChannelBuilder.java:351) at hudson.remoting.ChannelBuilder.build(ChannelBuilder.java:280) at hudson.remoting.ChannelBuilder.build(ChannelBuilder.java:290) at org.jenkinsci.remoting.nio.NioChannelBuilder.build(NioChannelBuilder.java:36) at org.jenkinsci.remoting.nio.NioChannelBuilder.build(NioChannelBuilder.java:52) at jenkins.slaves.JnlpSlaveAgentProtocol$Handler.jnlpConnect(JnlpSlaveAgentProtocol.java:120) at jenkins.slaves.DefaultJnlpSlaveReceiver.handle(DefaultJnlpSlaveReceiver.java:63) at jenkins.slaves.JnlpSlaveAgentProtocol2$Handler2.run(JnlpSlaveAgentProtocol2.java:57) at jenkins.slaves.JnlpSlaveAgentProtocol2.handle(JnlpSlaveAgentProtocol2.java:31) at hudson.TcpSlaveAgentListener$ConnectionHandler.run(TcpSlaveAgentListener.java:156) We checked all the configuration on Windows slave. Everything looks perfect e.g JENKINS_HOME etc. If this happens for one slave then all the slaves which try to connect after shows the same error. There is only one workaround to fix this is to restart Jenkins and then everything falls in place. Add Comment

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[dbeck@cloudbees.com (JIRA)]

Daniel Beck commented on JENKINS-31735

Re: Remoting : NioChannelHub is not currently running What version of Jenkins is this?

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[vinayshah@hotmail.com (JIRA)]

Vinay Shah commented on JENKINS-31735

Re: Remoting : NioChannelHub is not currently running

We are using Jenkins version 1.579, and intermittently observing similar issue. <===[JENKINS REMOTING CAPACITY]===>Failed to establish the connection ...<slave name>. java.io.IOException: NioChannelHub is not currently running at org.jenkinsci.remoting.nio.NioChannelHub$1.makeTransport(NioChannelHub.java:446) .. Do we know the root cause of it? And how to address it without restarting the Jenkins server. Thanks, Vinay

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[vishnudutt_yadav@outlook.com (JIRA)]

Vishnu Yadav commented on JENKINS-31735

Re: Remoting : NioChannelHub is not currently running

My windows slaves which are running as a service also shown at disconnected even though the service jenkins_slave running on slave. In node llog I get this - Can any one suggest pls? <===[JENKINS REMOTING CAPACITY]===>Failed to establish the connection with the SLAVENAME

java.io.IOException: NioChannelHub is not currently running at org.jenkinsci.remoting.nio.NioChannelHub$1.makeTransport(NioChannelHub.java:446)

at hudson.remoting.ChannelBuilder.negotiate(ChannelBuilder.java:220) at hudson.remoting.ChannelBuilder.build(ChannelBuilder.java:149) at hudson.remoting.ChannelBuilder.build(ChannelBuilder.java:159)

at org.jenkinsci.remoting.nio.NioChannelBuilder.build(NioChannelBuilder.java:36) at org.jenkinsci.remoting.nio.NioChannelBuilder.build(NioChannelBuilder.java:52) at jenkins.slaves.JnlpSlaveAgentProtocol$Handler.jnlpConnect(JnlpSlaveAgentProtocol.java:120) at jenkins.slaves.DefaultJnlpSlaveReceiver.handle(DefaultJnlpSlaveReceiver.java:63) at jenkins.slaves.JnlpSlaveAgentProtocol2$Handler2.run(JnlpSlaveAgentProtocol2.java:57) at jenkins.slaves.JnlpSlaveAgentProtocol2.handle(JnlpSlaveAgentProtocol2.java:31) at hudson.TcpSlaveAgentListener$ConnectionHandler.run(TcpSlaveAgentListener.java:156)

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[pjdarton@gmail.com (JIRA)]

pjdarton closed an issue as Cannot Reproduce

"it works for me" I know it's not much comfort if it doesn't work for you, but it does work.  FYI there's (now) lots of information on the plugin's wiki page regarding how to get Windows VMs to work.  Windows makes things non-trivial, but it's not a Jenkins bug or a vSphere plugin bug.

Jenkins / JENKINS-31735

Remoting : NioChannelHub is not currently running

Change By: pjdarton Status: Open Closed Assignee: Kohsuke Kawaguchi Resolution: Cannot Reproduce

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