https://pastebin.com/yzL2vE9g Did you see these logs?
On Monday, 5 August 2019 21:01:46 UTC+5:30, Mark Waite wrote: > > > > On Mon, Aug 5, 2019 at 6:54 AM Shubham Bansal <[email protected] > <javascript:>> wrote: > >> The protocol is chosen as "Inbound TCP Agent Protocol/4 (TLS >> encryption)" with fixed port "5378". >> > > That's a reasonable configuration. That is listed as an unassigned port > in at least one of the ports databases > <https://www.speedguide.net/port.php?port=5378>, so it should be > reasonable to use that port number. > > >> What can possibly be an issue here? >> > > Something on the agent could be killing the agent process. > Something on the network between the agent and the master could be > breaking or damaging the communication. > Something on the master could be breaking or damaging the communication > between the agent and the master. > > >> And you have mentioned that something is changing the configuration, is >> there a way to figure that out what is the cause? >> > > Unless you see protocol 4 listed as disabled, then it is unlikely that > anything has changed the configuration. I was speculating that something > might be changing the configuration, but if something is changing the > configuration, then you should see the protocol listed as 'disabled' > instead of 'enabled'. > > Mark Waite > > >> >> On Monday, 5 August 2019 18:17:05 UTC+5:30, Mark Waite wrote: >>> >>> When the master log says: >>> >>> >>> 1. Aug 05, 2019 8:54:51 AM hudson.remoting.jnlp.Main$CuiListener >>> error >>> 2. SEVERE: The server rejected the connection: None of the protocols >>> were accepted >>> 3. java.lang.Exception: The server rejected the connection: None of >>> the protocols were accepted >>> 4. at >>> hudson.remoting.Engine.onConnectionRejected(Engine.java:682) >>> 5. at hudson.remoting.Engine.innerRun(Engine.java:639) >>> 6. at hudson.remoting.Engine.run(Engine.java:474) >>> >>> >>> that might hint that either something is damaging the communication >>> between the agent or something is changing the configuration of the master >>> to reject agent protocols that were previously accepted. The protocols >>> which are accepted can be modified from a "Configure Global Security" page >>> of "Manage Jenkins". The "Agents" section of that page includes a link to >>> enable and disable specific protocols. >>> >>> On Mon, Aug 5, 2019 at 6:29 AM Shubham Bansal <[email protected]> >>> wrote: >>> >>>> https://pastebin.com/ib0PK5af >>>> >>>> Can you tell me more from these logs of the slave windows machine? >>>> >>>> >>>> On Monday, 5 August 2019 17:42:23 UTC+5:30, Mark Waite wrote: >>>>> >>>>> Connecting the agent to the master *is* a robust way to connect. >>>>> Many users around the world use that method to connect agents to masters, >>>>> including Windows masters, Linux masters, and other platforms. >>>>> >>>>> If the agent is being disconnected after some time, there may be >>>>> something on the agent computer which kills the client process that runs >>>>> on >>>>> the agent (for example, some program that won't allow Java programs to >>>>> run >>>>> for an extended period). If the agent process dies or is killed on the >>>>> agent computer, the agent will be disconnected. If you're running the >>>>> agent process from the command line, then you may find hints to the cause >>>>> of the command line failure in the command prompt window that launched >>>>> the >>>>> agent. If you're running the agent process by clicking the "Launch" >>>>> button >>>>> to launch the agent from the browser, you may want to try running the >>>>> agent >>>>> from the command line instead, just in case some diagnostic messages >>>>> might >>>>> help you. >>>>> >>>>> There may be something in the networking definition between the master >>>>> and the agents which is causing the agent process to die. Usually, when >>>>> the network connection is interrupted between a master and agent >>>>> launched >>>>> to connect to the master. This seems less likely to be the problem, >>>>> since >>>>> you mentioned that the when running as a restart, the service restarted >>>>> frequently. >>>>> >>>>> On Mon, Aug 5, 2019 at 5:46 AM Shubham Bansal <[email protected]> >>>>> wrote: >>>>> >>>>>> I have a Linux Azure machine as master and it connects to the windows >>>>>> slave machine using the option "Launch Agent by connecting it to master" >>>>>> >>>>>> This connects the agent fine but gets disconnected after some time >>>>>> (around 20-30 minutes). I tried running the agent as windows service but >>>>>> the service keeps restarting frequently causing the build to fail of it >>>>>> is >>>>>> triggered at this time of restart process. >>>>>> >>>>>> Can someone here suggest a more robust way to connect? >>>>>> >>>>>> >>>>>> -- >>>>>> 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/245d1ca6-c04a-469d-a3c3-5ee1e96ba966%40googlegroups.com >>>>>> >>>>>> <https://groups.google.com/d/msgid/jenkinsci-users/245d1ca6-c04a-469d-a3c3-5ee1e96ba966%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>>> . >>>>>> >>>>> >>>>> >>>>> -- >>>>> Thanks! >>>>> Mark Waite >>>>> >>>> -- >>>> 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/a1bcedbd-1fa4-4bf2-866e-7652d4d6c98e%40googlegroups.com >>>> >>>> <https://groups.google.com/d/msgid/jenkinsci-users/a1bcedbd-1fa4-4bf2-866e-7652d4d6c98e%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>> >>> >>> -- >>> Thanks! >>> Mark Waite >>> >> -- >> 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] <javascript:>. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/jenkinsci-users/62ac473f-9777-4a88-a996-0255c7abf851%40googlegroups.com >> >> <https://groups.google.com/d/msgid/jenkinsci-users/62ac473f-9777-4a88-a996-0255c7abf851%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > > > -- > Thanks! > Mark Waite > -- 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/df5822e6-082f-4cc2-9b89-8ce5570d3f98%40googlegroups.com.
