I dunno if it is your case, but things like VMotion that changes the VM to a less loaded rack, energy saving, any kind of power on network, and in general every that suspends the VM will break the connection, Jenkins check on agents every 4 min, if the agent does not respond on time Jenkins breaks the channel.
> El 18 feb 2019, a las 16:17, Glenn Burkhardt <gbburkha...@gmail.com> escribió: > > I have to agree that the Java version is a red herring. > > Our VMs have been more stable in the last few days. The changes that I think > might have had an effect are: > > a) Increasing the connection timeout to 60000 > b) Turning off scatter/gather > > But I also upgraded them all with the most recent Ubuntu updates, including > Oracle Java 8.201, and Linux version 4.15.0-45-generic. > > I'll wait a few days, and then try backing out changes to see which makes the > problem return. Thanks. > >> On Tuesday, February 12, 2019 at 2:28:21 AM UTC-5, Ivan Fernandez Calvo >> wrote: >> I think you can discard JVM versions issues and connectivity issues, because >> the agent connects and copy the remoting.jar, How much time takes between >> the agent connect and the channel is broken? Check you do not have any >> configuration that kill idle connections, also try to assign memory to the >> remoting process (-Xmx256m -Xms256m), check those files dmesg, kernel.log, >> syslog, and messages of the agent to see if there is some error. >> > > -- > You received this message because you are subscribed to a topic in the Google > Groups "Jenkins Users" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/jenkinsci-users/VbdIfb4ua9A/unsubscribe. > To unsubscribe from this group and all its topics, 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/0cbe8b8e-cb2c-4f95-9225-8e7ced80ce4a%40googlegroups.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/C0BE11E8-E103-4BBF-A273-6AF43535E312%40gmail.com. For more options, visit https://groups.google.com/d/optout.
