Hi guys. Is anyone also having problems with "Disconnected computer for node" happening all the time, resulting in jenkins master killing agent nodes?
We're getting that all the time it seems for https://ci.xwiki.org. See https://up1.xwikisas.com/#vI0VAypIpe_tD9LrQRTdMA 2020-02-14 09:10:59.040+0000 [id=268440] INFO c.n.j.p.d.DockerContainerWatchdog#loadNodeMap: We currently have 7 nodes assigned to this Jenkins instance, which we will check 42020-02-14 09:10:59.040+0000 [id=268440] INFO c.n.j.p.d .DockerContainerWatchdog#execute: Checking Docker Cloud docker-a3 at tcp://xxx 52020-02-14 09:10:59.047+0000 [id=268440] INFO c.n.j.p.d .DockerContainerWatchdog#execute: Checking Docker Cloud docker-a4 at tcp://xxx 62020-02-14 09:10:59.057+0000 [id=268440] INFO c.n.j.p.d .DockerContainerWatchdog#execute: Checking Docker Cloud docker-a5 at tcp://xxx 72020-02-14 09:10:59.083+0000 [id=268440] INFO c.n.j.p.d .DockerContainerWatchdog#execute: Checking Docker Cloud docker-a6 at tcp://xxx 82020-02-14 09:10:59.109+0000 [id=268440] INFO c.n.j.p.d .DockerContainerWatchdog#execute: Checking Docker Cloud docker-a7 at tcp://xxx 92020-02-14 09:10:59.132+0000 [id=268440] INFO c.n.j.p.d .DockerContainerWatchdog#execute: Docker Container Watchdog check has been completed 102020-02-14 09:10:59.133+0000 [id=268440] INFO hudson.model .AsyncPeriodicWork#lambda$doRun$0: Finished DockerContainerWatchdog Asynchronous Periodic Work. 93 ms 112020-02-14 09:13:37.434+0000 [id=268432] INFO i .j.docker.DockerTransientNode$1#println: Disconnected computer for node 'Jenkins SSH Slave a3-0094ebcvu7jkf'. 122020-02-14 09:13:37.434+0000 [id=268243] INFO h.r.SynchronousCommandTransport$ReaderThread#run: I/O error in channel Jenkins SSH Slave a3-0094ebcvu7jkf 13java.net.SocketException: Socket closed 14 at java.net.SocketInputStream.socketRead0(Native Method) 15 at java.net.SocketInputStream.socketRead(SocketInputStream.java:116) 16 at java.net.SocketInputStream.read(SocketInputStream.java:171) 17 at java.net.SocketInputStream.read(SocketInputStream.java:141) 18 at io.jenkins.docker.client .DockerMultiplexedInputStream.readInternal(DockerMultiplexedInputStream.java :48) 19 at io.jenkins.docker.client.DockerMultiplexedInputStream.read (DockerMultiplexedInputStream.java:30) 20 at hudson.remoting.FlightRecorderInputStream.read (FlightRecorderInputStream.java:91) 21 at hudson.remoting.ChunkedInputStream.readHeader(ChunkedInputStream.java: 72) 22 at hudson.remoting.ChunkedInputStream.readUntilBreak(ChunkedInputStream. java:103) 23 at hudson.remoting.ChunkedCommandTransport.readBlock(ChunkedCommandTransport. java:39) 24 at hudson.remoting.AbstractSynchronousByteArrayCommandTransport.read (AbstractSynchronousByteArrayCommandTransport.java:34) 25 at hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport. java:63) 262020-02-14 09:13:37.440+0000 [id=268432] INFO i .j.docker.DockerTransientNode$1#println: Removed Node for node 'Jenkins SSH Slave a3-0094ebcvu7jkf'. 27 28 29 Since it happens so frequently (like every 5mn), I'm wondering if it's a problem or if it's the normal way that Jenkins work: agent finishes its job, watchdog comes, tries to connect to the agent, fails, and removes it. Any idea? Thx -Vincent -- 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/a2a0d523-f242-4ca7-ad4f-943dc0be2e54%40googlegroups.com.
