Carlos,

Was this a known issue before? I will snapshot the drive and try the upgrade to 
the latest of everything next week. 

Maybe it is a kops / aws issue.

Thanks!

- Ed

> On Apr 24, 2018, at 4:54 AM, Carlos Sanchez <car...@apache.org> wrote:
> 
> All the plugin builds are running in GKE and I haven't experienced any failed 
> jobs for a while. Jenkins weekly and k8s latest release with default jnlp 
> image
> 
> On Mon, Apr 23, 2018 at 9:58 PM, Edward Bond <celpa.f...@gmail.com 
> <mailto:celpa.f...@gmail.com>> wrote:
> Hello All,
> 
> I am using Jenkins LTS, 2.107.2. with kubernetes plugin: 1.1.3, jnlp-2, using 
> kops inside aws. 
> 
> I have to have jnlp2-connect enabled because using jnlp4 has a higher failure 
> rate.
> 
> Currently I am getting abount a 80% success rate with my current setup. When 
> I upgraded ( 2 months ago ) to latest master and latest k8s plugin I was 
> having about a 15% success rate of builds.
> 
> WARNING: Failed to send back a reply to the request 
> hudson.remoting.Request$2@725700df
> hudson.remoting.ChannelClosedException: Channel 
> "hudson.remoting.Channel@7083e923:Channel to /100.96.3.149 
> <http://100.96.3.149/>": channel is already closed
>       at hudson.remoting.Channel.send(Channel.java:715)
>       at hudson.remoting.Request$2.run(Request.java:377)
>       at 
> hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
>       at 
> org.jenkinsci.remoting.CallableDecorator.call(CallableDecorator.java:19)
>       at 
> hudson.remoting.CallableDecoratorList$1.call(CallableDecoratorList.java:21)
>       at 
> jenkins.util.ContextResettingExecutorService$2.call(ContextResettingExecutorService.java:46)
>       at java.util.concurrent.FutureTask.run(FutureTask.java:266)
>       at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>       at java.lang.Thread.run(Thread.java:748)
> Caused by: java.io.IOException
>       at hudson.remoting.Channel.close(Channel.java:1443)
>       at hudson.remoting.Channel.close(Channel.java:1399)
>       at hudson.slaves.SlaveComputer.closeChannel(SlaveComputer.java:746)
>       at hudson.slaves.SlaveComputer.access$800(SlaveComputer.java:99)
>       at hudson.slaves.SlaveComputer$3.run(SlaveComputer.java:664)
>       at 
> jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28)
>       at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
>       ... 4 more
> 
> These are the type of errors I get.
> 
> Anyone have a list of versions that work for them and jnlp4?
> 
> It would be awesome to have a known good config of:
> Master docker image version
> K8s plugin version
> jnlp pod agent base image version
> 
> Thanks in advance.
> 
> 
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