Hi, 


We have around 10 Jenkins Agents, each running on its own Windows 2016 EC2 
instance.  Java_slave is running as a service. The Jenkins master runs on a 
separate Amazon Linux instance. We are able to establish connectivity 
between the Master and Agents and jobs are running fine. 

However, for some reason, the Service goes offline at different intervals 
and comes back online. This is a repeated behavior and we are not able to 
find many logs from the Windows Event Viewer , except that it Says "Jenkins 
Slave stopping" . and the service comes back online. We installed NewRelic 
APM Agent to the server to check the Java metrics and there is minimal Heap 
consumption. The Java versions of both the Agent and Server are the same ( 
jdk1.8.0_211).  We are not able to find the root cause of the Service being 
stopped abruptly and Jobs running on them gets killed.


“"windows agent was marked offline: Connection was broken: 
java.nio.channels.ClosedChannelException"”


Thanks in advance. 

Vinod

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