Cannot boot Red Hat Single Sign-On because "Lock didn't yet acquired"
Issue
In our system which using a 2 Red Hat Single Sign-On (RH-SSO) instances configuration, an error occurred while the RH-SSO was booting. The error message is shown below.
17:45:27,088 WARN [org.keycloak.connections.jpa.updater.liquibase.lock.CustomLockService] (ServerService Thread Pool -- 62) Lock didn't yet acquired. Will possibly retry to acquire lock. Details: ERROR: cannot execute SELECT FOR UPDATE in a read-only transaction [Failed SQL: SELECT ID FROM public.databasechangeloglock WHERE ID=1000 FOR UPDATE]
Environment
- Red Hat Single Sign-On(RH-SSO)
- 7.x
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