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Ros diagnostic_updater not working when called from a parent launch file

Hey All ,
Wondering if anyone has run into this

I have two nodes

  • Node 1 -> does some work
  • Node 2 -> this launches the diagnostic aggregator with an analyzer

If i roslaunch only Node 2 the aggregator is logging stuff and working well…
if i launch it by nesting in Node 1 by saying

   <include file="$(find mycontroller_node)/launch/mycontroller.launch" />

Anyone run into this kind of problem , been breaking my head on what may cause this.

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