JNLP agent connected from ****.com/.*..*
Remoting version: 3.12
This is a Unix agent
ERROR: Connection terminated
java.nio.channels.ClosedChannelException
 at org.jenkinsci.remoting.protocol.NetworkLayer.onRecvClosed(NetworkLayer.java:154)
 at org.jenkinsci.remoting.protocol.impl.NIONetworkLayer.ready(NIONetworkLayer.java:142)
 at org.jenkinsci.remoting.protocol.IOHub$OnReady.run(IOHub.java:721)
 at jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28)
 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
 at java.lang.Thread.run(Thread.java:745)
ERROR: Failed to install restarter
java.nio.channels.ClosedChannelException
 at org.jenkinsci.remoting.protocol.NetworkLayer.onRecvClosed(NetworkLayer.java:154)
 at org.jenkinsci.remoting.protocol.impl.NIONetworkLayer.ready(NIONetworkLayer.java:142)
 at org.jenkinsci.remoting.protocol.IOHub$OnReady.run(IOHub.java:721)
 at jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28)
Caused: hudson.remoting.ChannelClosedException: Remote call on JNLP4-connect connection from ****.com/.*..*:44882 failed. The channel is closing down or has closed down
 at hudson.remoting.Channel.call(Channel.java:897)
 at jenkins.slaves.restarter.JnlpSlaveRestarterInstaller.install(JnlpSlaveRestarterInstaller.java:53)
 at jenkins.slaves.restarter.JnlpSlaveRestarterInstaller.access$000(JnlpSlaveRestarterInstaller.java:34)
 at jenkins.slaves.restarter.JnlpSlaveRestarterInstaller$1.call(JnlpSlaveRestarterInstaller.java:40)
 at jenkins.slaves.restarter.JnlpSlaveRestarterInstaller$1.call(JnlpSlaveRestarterInstaller.java:37)
 at jenkins.util.ContextResettingExecutorService$2.call(ContextResettingExecutorService.java:46)
 at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
 at java.lang.Thread.run(Thread.java:745)
Agent successfully connected and online
ERROR: Failed to update jenkins-slave.exe
java.io.IOException: remote file operation failed: /media/data/jenkins/jenkins-slave.exe at hudson.remoting.Channel@7607078e:JNLP4-connect connection from ****.com/.*..:44882: hudson.remoting.ChannelClosedException: Remote call on JNLP4-connect connection from *****.com/.*..*:44882 failed. The channel is closing down or has closed down
 at hudson.FilePath.act(FilePath.java:994)
 at hudson.FilePath.act(FilePath.java:976)
 at hudson.FilePath.exists(FilePath.java:1441)
 at org.jenkinsci.modules.windows_slave_installer.SlaveExeUpdater$1.call(SlaveExeUpdater.java:62)
 at org.jenkinsci.modules.windows_slave_installer.SlaveExeUpdater$1.call(SlaveExeUpdater.java:53)
 at jenkins.util.ContextResettingExecutorService$2.call(ContextResettingExecutorService.java:46)
 at java.util.concurrent.FutureTask.run(FutureTask.java:266)
 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
 at java.lang.Thread.run(Thread.java:745)
Caused by: hudson.remoting.ChannelClosedException: Remote call on JNLP4-connect connection from ****.com/.*..*:44882 failed. The channel is closing down or has closed down
 at hudson.remoting.Channel.call(Channel.java:897)
 at hudson.FilePath.act(FilePath.java:987)
 ... 9 more
Caused by: java.nio.channels.ClosedChannelException
 at org.jenkinsci.remoting.protocol.NetworkLayer.onRecvClosed(NetworkLayer.java:154)
 at org.jenkinsci.remoting.protocol.impl.NIONetworkLayer.ready(NIONetworkLayer.java:142)
 at org.jenkinsci.remoting.protocol.IOHub$OnReady.run(IOHub.java:721)
 at jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28)
 ... 3 more