Unable to update JBoss ON resource group membership or group alert definitions due to "result returns more than one elements" error

Solution Unverified - Updated -

Issue

  • When attempting to update a group or dynagroup membership, receive error caused by javax.persistence.NonUniqueResultException: result returns more than one elements
  • Updating group alert definitions fails with error caused by javax.persistence.NonUniqueResultException: result returns more than one elements

Environment

  • Red Hat JBoss Operations Network (ON) 3.3
  • Update to a group membership
  • Group has alert definition with recovery alert defined

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