Error in Bastion log: "Listener 'XXX' cannot listen on port 0.0.0.0: since it is already occupied by YYY."

Symptoms
  • Bastion log reports "Listener 'XXX' cannot listen on port 0.0.0.0: since it is already occupied by YYY."
AND
  • Nothing defined in </port> tag defined under the <listener> tag in Bastion.xml
AND
  • Bastion version is lower than 1.8.12

Solution

Upgrade to Bastion version 1.8.12 or greater