SingleHostExclusive does not work

[MarioQuillas]

When trying to execute a task in SingleHostExclusive mode (example workflow attached), the task remains pending forever.

<?xml version="1.0" encoding="UTF-8"?>
<job
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xmlns="urn:proactive:jobdescriptor:3.9"
     xsi:schemaLocation="urn:proactive:jobdescriptor:3.9 http://www.activeeon.com/public_content/schemas/proactive/jobdescriptor/3.9/schedulerjob.xsd"
    name="SingleHostExclusive" 
    priority="normal"
    onTaskError="continueJobExecution"
     maxNumberOfExecution="2"
>
  <taskFlow>
    <task name="Groovy_Task">
      <description>
        <![CDATA[ The simplest task, ran by a groovy engine. ]]>
      </description>
      <parallel numberOfNodes="1">
        <topology>
          <singleHostExclusive/>
        </topology>
      </parallel>
      <scriptExecutable>
        <script>
          <code language="groovy">
            <![CDATA[
println "uname -a".execute().text
]]>
          </code>
        </script>
      </scriptExecutable>
    </task>
  </taskFlow>
</job>

[tobwiens]

Hello Mario,

did you remove your job from try.activeeon.com? I cannot see any pending job with that name.