Registering number of OpenStack instances simultaneously using same subscription fails with `Runtime Error Row was updated or deleted by another transaction` error.

Solution Verified - Updated -

Issue

  • Registering number of OpenStack instances in parallel fails
  • When attaching the subscription simultaneously to number of systems, fails with the following error:-
Runtime Error Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect): [org.candlepin.model.Pool#8a85f9874011071c01409fa6d1e12d07] at org.hibernate.persister.entity.AbstractEntityPersister.check:1,782

Environment

  • Red Hat Enterprise Linux(RHEL)5.7 and later
  • Red Hat Subscription Manager(RHSM)
  • Red Hat Network (RHN)

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