I am facing this same issue as well. I just added a comment to JENKINS-5055.
On Friday, March 4, 2016 at 3:45:37 AM UTC-8, pisara....@gmail.com wrote: > > Hi all, > > We have a Jenkins instance running on Ubuntu that has several slaves in > different systems. One of them is a Windows 7 host, having jenkins slave > instance configured as a service. > > We have a problem that when that machine is rebooted, master Jenkins > doesn't realize it's gone. It looks to be just fine in the nodes view. > Then, when a build is issued that is supposed to use that slave it gets > stuck. If that is stopped, the next build fails immediately > > Caused by: java.util.concurrent.TimeoutException: Ping started at > 1457016721684 hasn't completed by 1457016961684 > ... 2 more > [EnvInject] - [ERROR] - SEVERE ERROR occurs: channel is already closed > > When the slave has started up and it tries to connect back to master, > connection is refused, and in the logs there is an error saying connection > with that name already exists: > > Server didn't accept the handshake: xxx is already connected to this > master. Rejecting this connection. > > There is issue JENKINS-5055 ( > https://issues.jenkins-ci.org/browse/JENKINS-5055) which claims a fix was > committed allowing the same JNLP slave to reconnect without getting > rejected, apparently commit > https://github.com/jenkinsci/jenkins/commit/68ed742227891a3f716e4e479388c36876bb935a, > > and according to changelog (https://jenkins-ci.org/changelog-old.html), > it was introduced in version 1.396 (2011/02/02). We are however using > version 1.639 and seeing this. Somebody else ( > http://comments.gmane.org/gmane.comp.java.jenkins.user/29769) seems to be > seeing it as well. By looking at current codebase ( > https://github.com/jenkinsci/jenkins), I see where the error is coming > from ( > https://github.com/jenkinsci/jenkins/blob/master/core/src/main/java/jenkins/slaves/JnlpSlaveAgentProtocol.java#L104), > > but don't see the fix done in JENKINS-5055. > > Any ideas on resolving this? > > (Note: also posted to > http://serverfault.com/questions/761342/jenkins-doesnt-recognize-slave-being-down > ) > -- 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/a9ca4d9c-fb2c-40e2-a712-8190e9f30b43%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
