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 [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/jenkinsci-users/a2a0d523-f242-4ca7-ad4f-943dc0be2e54%40googlegroups.com.
