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": 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:

   1. Master docker image version
   2. K8s plugin version
   3. jnlp pod agent base image version


Thanks in advance.

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