<record>
  <date>2019-09-11T08:11:50</date>
  <millis>1568157110925</millis>
  <sequence>276</sequence>
  <logger>hudson.plugins.swarm</logger>
  <level>SEVERE</level>
  <class&gt;hudson.plugins.swarm.Client</class&gt;
  <method>run</method>
  <thread>1</thread>
  <message>RetryException occurred</message>
  <exception>
    <message>hudson.plugins.swarm.RetryException: Failed to create a slave on Jenkins, response code: 403
&lt;html&gt;
  &lt;head&gt;
    &lt;title&gt;The page is not found&lt;/title&gt;
  &lt;/head&gt;
  &lt;body&gt;
    &lt;h1&gt;The page is not found&lt;/h1&gt;
   ...
  &lt;/body&gt;
&lt;/html&gt;
</message>
    <frame>
      <class&gt;hudson.plugins.swarm.SwarmClient</class&gt;
      <method>createSwarmSlave</method>
      <line>472</line>
    </frame>
    <frame>
      <class&gt;hudson.plugins.swarm.Client</class&gt;
      <method>run</method>
      <line>150</line>
    </frame>
    <frame>
      <class&gt;hudson.plugins.swarm.Client</class&gt;
      <method>main</method>
      <line>104</line>
    </frame>
  </exception>
</record>

java -jar /var/lib/jenkins/swarm-client.jar -master htt
p://jenkins-master.dev.xxx.yyy.zzz/jenkins-dev/ -username XXXXX -password YYYYY -name slave-xxx -disableClientsUniqueId -description jenkins-slave-xxx -executors 1 -fsroot /var/lib/jenkins -deleteExistingClients