Aug 05, 2019 8:54:51 AM hudson.remoting.jnlp.Main createEngine
INFO: Setting up agent: win-slave
Aug 05, 2019 8:54:51 AM hudson.remoting.jnlp.Main$CuiListener <init>
INFO: Jenkins agent is running in headless mode.
Aug 05, 2019 8:54:51 AM hudson.remoting.Engine startEngine
INFO: Using Remoting version: 3.29
Aug 05, 2019 8:54:51 AM org.jenkinsci.remoting.engine.WorkDirManager initializeWorkDir
INFO: Using D:\Jenkins\remoting as a remoting work directory
Aug 05, 2019 8:54:51 AM hudson.remoting.jnlp.Main$CuiListener status
INFO: Locating server among [http://jenkins-hardware.centralus.cloudapp.azure.com/]
Aug 05, 2019 8:54:51 AM org.jenkinsci.remoting.engine.JnlpAgentEndpointResolver resolve
INFO: Remoting server accepts the following protocols: [JNLP4-connect, Ping]
Aug 05, 2019 8:54:51 AM hudson.remoting.jnlp.Main$CuiListener status
INFO: Agent discovery successful
  Agent address: jenkins-hardware.centralus.cloudapp.azure.com
  Agent port:    5378
  Identity:      d7:a3:f8:62:b9:09:08:1e:4e:da:02:f4:f8:94:50:7c
Aug 05, 2019 8:54:51 AM hudson.remoting.jnlp.Main$CuiListener status
INFO: Handshaking
Aug 05, 2019 8:54:51 AM hudson.remoting.jnlp.Main$CuiListener status
INFO: Connecting to jenkins-hardware.centralus.cloudapp.azure.com:5378
Aug 05, 2019 8:54:51 AM hudson.remoting.jnlp.Main$CuiListener status
INFO: Trying protocol: JNLP4-connect
Aug 05, 2019 8:54:51 AM hudson.remoting.jnlp.Main$CuiListener status
INFO: Remote identity confirmed: d7:a3:f8:62:b9:09:08:1e:4e:da:02:f4:f8:94:50:7c
Aug 05, 2019 8:54:51 AM org.jenkinsci.remoting.protocol.impl.ConnectionHeadersFilterLayer onRecv
INFO: [JNLP4-connect connection to jenkins-hardware.centralus.cloudapp.azure.com/23.99.209.25:5378] Local headers refused by remote: win-slave is not an inbound agent
Aug 05, 2019 8:54:51 AM hudson.remoting.jnlp.Main$CuiListener status
INFO: Protocol JNLP4-connect encountered an unexpected exception
java.util.concurrent.ExecutionException: org.jenkinsci.remoting.protocol.impl.ConnectionRefusalException: win-slave is not an inbound agent
	at org.jenkinsci.remoting.util.SettableFuture.get(SettableFuture.java:223)
	at hudson.remoting.Engine.innerRun(Engine.java:614)
	at hudson.remoting.Engine.run(Engine.java:474)
Caused by: org.jenkinsci.remoting.protocol.impl.ConnectionRefusalException: win-slave is not an inbound agent
	at org.jenkinsci.remoting.protocol.impl.ConnectionHeadersFilterLayer.newAbortCause(ConnectionHeadersFilterLayer.java:378)
	at org.jenkinsci.remoting.protocol.impl.ConnectionHeadersFilterLayer.onRecvClosed(ConnectionHeadersFilterLayer.java:433)
	at org.jenkinsci.remoting.protocol.ProtocolStack$Ptr.onRecvClosed(ProtocolStack.java:816)
	at org.jenkinsci.remoting.protocol.FilterLayer.onRecvClosed(FilterLayer.java:287)
	at org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.onRecvClosed(SSLEngineFilterLayer.java:172)
	at org.jenkinsci.remoting.protocol.ProtocolStack$Ptr.onRecvClosed(ProtocolStack.java:816)
	at org.jenkinsci.remoting.protocol.NetworkLayer.onRecvClosed(NetworkLayer.java:154)
	at org.jenkinsci.remoting.protocol.impl.BIONetworkLayer.access$1500(BIONetworkLayer.java:48)
	at org.jenkinsci.remoting.protocol.impl.BIONetworkLayer$Reader.run(BIONetworkLayer.java:247)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	at hudson.remoting.Engine$1.lambda$newThread$0(Engine.java:93)
	at java.lang.Thread.run(Unknown Source)
	Suppressed: java.nio.channels.ClosedChannelException
		... 7 more

Aug 05, 2019 8:54:51 AM hudson.remoting.jnlp.Main$CuiListener status
INFO: Connecting to jenkins-hardware.centralus.cloudapp.azure.com:5378
Aug 05, 2019 8:54:51 AM hudson.remoting.jnlp.Main$CuiListener status
INFO: Server reports protocol JNLP4-plaintext not supported, skipping
Aug 05, 2019 8:54:51 AM hudson.remoting.jnlp.Main$CuiListener status
INFO: Server reports protocol JNLP3-connect not supported, skipping
Aug 05, 2019 8:54:51 AM hudson.remoting.jnlp.Main$CuiListener status
INFO: Server reports protocol JNLP2-connect not supported, skipping
Aug 05, 2019 8:54:51 AM hudson.remoting.jnlp.Main$CuiListener status
INFO: Server reports protocol JNLP-connect not supported, skipping
Aug 05, 2019 8:54:51 AM hudson.remoting.jnlp.Main$CuiListener error
SEVERE: The server rejected the connection: None of the protocols were accepted
java.lang.Exception: The server rejected the connection: None of the protocols were accepted
	at hudson.remoting.Engine.onConnectionRejected(Engine.java:682)
	at hudson.remoting.Engine.innerRun(Engine.java:639)
	at hudson.remoting.Engine.run(Engine.java:474)