On 29 May 2017 at 06:47, Andreas Tscharner <sternenfe...@gmail.com> wrote:
> On 22.05.2017 10:13, Andreas Tscharner wrote: > >> Hello World, >> >> > Hello again, > > [snip] > >> FATAL: Befehlsausführung fehlgeschlagen >> java.io.IOException: Backing channel 'JNLP4-connect connection from >> build-vm1/192.168.168.160:1033' is disconnected. >> > [snip] > > I have found some more information in /var/log/jenkins/jenkins.log: > > > Mai 28, 2017 2:02:59 PM hudson.slaves.ChannelPinger$1 onDead > INFORMATION: Ping failed. Terminating the channel JNLP4-connect connection > from build-vm3/192.168.168.162:1033. > java.util.concurrent.TimeoutException: Ping started at 1495972739294 > hasn't completed by 1495972979294 > at hudson.remoting.PingThread.ping(PingThread.java:130) > at hudson.remoting.PingThread.run(PingThread.java:86) > > > I've calculated the value between those two timestamps: 240000. I suppose > that are ms which would be 4 minutes. > Is there anything I could do? Why would the ping be dead for more than 4 > minutes? The ping is an application level ping, i.e. it submits a command into the command queue and waits for the response to be generated. The command channel can be functioning, but if there is a backlog in the command queue on either side and the command takes longer than 4 minutes (configurable) then the channel is disconnected. The command queue is single threaded. So there are multiple things that can cause the issue, e.g.: * Transferring large artifacts between the master and the agent * Plugin causing deadlock on the agent and prevent * etc You may want to investigate the agent logs You may want to monitor Disk I/O and CPU and memory usage (especially if running all things on the one machine) You may want to monitor Network I/O if running agents over a remote network HTH > > TIA and best regards > Andreas > -- > Andreas Tscharner <sternenfe...@gmail.com> > ---------------------------------------------------------------------- > "Intruder on level one. All Aliens please proceed to level one." > -- Call in "Alien: Resurrection" > > -- > 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/ms > gid/jenkinsci-users/ba3c7ec3-dfee-a128-2bc4-a31ec402e573%40gmail.com. > > For more options, visit https://groups.google.com/d/optout. > -- 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/CA%2BnPnMymOoyTz4Pd8cnrEkP5U%2BsuzVjUA0sw_purYfuVvQbGJw%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
