This task is meant to be performed by an IBM Link Index Provider (LDX) or IBM Lifecycle Query Engine (LQE) administrator whenever informed by Jira server administrator that OSLC Connect for Jira has been upgraded and related datasources need to be reindexed. To accomplish this in LQE [1]:
http[s]://<host_name>:<port>/lqe/web/admin/data-sources
in a browser.Reindex
link in the tool bar.