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  1. Jenkins
  2. JENKINS-15387

tcpSlaveAgentListener/ in invalid: - 1 null" when trying to create slave connection via Java Web Start

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    • Icon: Bug Bug
    • Resolution: Unresolved
    • Icon: Major Major
    • slave-setup-plugin
    • None
    • Master Jenkins on Linux
      Slave node on Windows 7

      Jenkins version 1.461.

      I try to create Slave Jenkins on Windows 7 machine (master is on Linux) using Java Web start.
      1. I connect master Jenkins via browser on Windows machine
      2. I go to "Management Nodes"
      3. I select the slave node and configuration.
      4. When I "launch agent from browser on slave" I get error message

      "java.lang.Exception: http://<master jenkins machine>:8080/tcpSlaveAgentListener/ is invalid: -1 null at hudson.remoting.Engine.run(engine.java:179)".

      See the attachments.

      There is a firewall between slave and master and I have set on master "system configuration" in "Enable security" TCP port for JNLP slave agent: fixed: 20999. This port is open in the firewall.

      What could be wrong?
      I reboot Master Jenkins but same error message.
      I deleted slave node and created a new -> same message
      At the very fist time needed files was copied from master to slave into C:\Jenkins folder, but now it doesn't copy nothing.

      "Enable security" is unchecked every time, but when I check it I can see setting for the fixed port.

      Let me know what more information you need?

        1. Jenkins_enbale_security.pdf
          9 kB
          Pentti Aaltonen
        2. Jenkins_tcpSlaveAgentListener.pdf
          74 kB
          Pentti Aaltonen
        3. slave_jenkins_config.pdf
          58 kB
          Pentti Aaltonen

            kohsuke Kohsuke Kawaguchi
            pentti_aaltonen Pentti Aaltonen
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              Created:
              Updated: