Ansible newby trying to do something very simple (unsuccessfully)

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1

I’m am trying to write an ansible script that will generate thread dumps on java processes. Here is my playbook:

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- name: generate thread dumps
   hosts: localhost
   user: oracle
# serial: 100% <= this is not needed as that is the default
   vars:
     pid: 0
     serverNames:
         - AdminServer

   tasks:
     - command: "kill -3 `pgrep -f {{item}}`" # <= note that the
braces are double, not single for variable interpolation
       with_items: serverNames
       register: myoutput # <= using below to display results

   - debug: var=myoutput

3

ah, missed the backtics, try using shell: instead of command: