HI,
Issue: Jenkin Slave running in a Docker Container unable to connect to the
Jenkins Master.
I have Jenkins Master in Docker Container on AWS EC2 Instance. I have
installed AWS ECS (Container Plugin). Jenkins Slaves are running in the
Docker container.
Here is the log:
Jenkins Master Log:
Mar 21, 2016 11:18:41 PM WARNING jenkins.slaves.JnlpSlaveHandshake error
TCP slave agent connection handler #10 with /10.231.5.122:56870 is aborted:
JNLP2-connect: rejected connection for node: my-slave-13
Mar 21, 2016 11:18:41 PM INFO
hudson.TcpSlaveAgentListener$ConnectionHandler run
Accepted connection #11 from /10.231.5.122:56871
Mar 21, 2016 11:18:41 PM WARNING jenkins.slaves.JnlpSlaveHandshake error
TCP slave agent connection handler #11 with /10.231.5.122:56871 is aborted:
Unauthorized access
Mar 21, 2016 11:18:41 PM INFO
hudson.TcpSlaveAgentListener$ConnectionHandler run
Accepted connection #12 from /10.231.5.122:56872
Mar 21, 2016 11:18:41 PM WARNING
hudson.TcpSlaveAgentListener$ConnectionHandler run
Connection #12 failed
java.io.EOFException
at
java.io.DataInputStream.readUnsignedShort(DataInputStream.java:340)
at java.io.DataInputStream.readUTF(DataInputStream.java:589)
at java.io.DataInputStream.readUTF(DataInputStream.java:564)
at
hudson.TcpSlaveAgentListener$ConnectionHandler.run(TcpSlaveAgentListener.java:150)
Jenkins Slave Log:
On the slave, I am getting the following error
ar 21, 2016 11:18:41 PM hudson.remoting.jnlp.Main createEngine
INFO: Setting up slave: my-slave-13
Mar 21, 2016 11:18:41 PM hudson.remoting.jnlp.Main$CuiListener <init>
INFO: Jenkins agent is running in headless mode.
Mar 21, 2016 11:18:41 PM hudson.remoting.jnlp.Main$CuiListener status
INFO: Locating server among [http://10.231.1.123:8080/jenkins/]
Mar 21, 2016 11:18:41 PM hudson.remoting.jnlp.Main$CuiListener status
INFO: Handshaking
Mar 21, 2016 11:18:41 PM hudson.remoting.jnlp.Main$CuiListener status
INFO: Connecting to 10.231.1.123:50000
Mar 21, 2016 11:18:41 PM hudson.remoting.jnlp.Main$CuiListener status
INFO: Trying protocol: JNLP2-connect
Mar 21, 2016 11:18:41 PM hudson.remoting.jnlp.Main$CuiListener status
INFO: Server didn't understand the protocol: JNLP2-connect: rejected
connection for node: my-slave-13
Mar 21, 2016 11:18:41 PM hudson.remoting.jnlp.Main$CuiListener status
INFO: Connecting to 10.231.1.123:50000
Mar 21, 2016 11:18:41 PM hudson.remoting.jnlp.Main$CuiListener status
INFO: Trying protocol: JNLP-connect
Mar 21, 2016 11:18:41 PM hudson.remoting.jnlp.Main$CuiListener status
INFO: Server didn't understand the protocol: Unauthorized access
Mar 21, 2016 11:18:41 PM hudson.remoting.jnlp.Main$CuiListener status
INFO: Connecting to 10.231.1.123:50000
Mar 21, 2016 11:18:41 PM 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:297)
at hudson.remoting.Engine.run(Engine.java:268)
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