Newly created local users or LDAP users granted nexus access cannot login to repositories, nor can they view their token. The error from nexus.log is:
Error updating database. Cause: org.postgresql.util.PSQLException: ERROR: there is no unique or exclusion constraint matching the ON CONFLICT specification
### The error may exist in org/sonatype/nexus/internal/security/apikey/ApiKeyDAO.xml
### The error may involve org.sonatype.nexus.internal.security.apikey.ApiKeyDAO.save-Inline
### The error occurred while setting parameters
### SQL: INSERT INTO api_key (primary_principal, domain, token, principals , created ) VALUES (?, ?, ?, ? , ? ) ON CONFLICT (primary_principal, domain, principals) DO UPDATE SET token = ?, principals = ?, created = ? ;
### Cause: org.postgresql.util.PSQLException: ERROR: there is no unique or exclusion constraint matching the ON CONFLICT specification'; mapped from: org.sonatype.nexus.datastore.api.DataAccessException:
### Error updating database. Cause: org.postgresql.util.PSQLException: ERROR: there is no unique or exclusion constraint matching the ON CONFLICT specification
### The error may exist in org/sonatype/nexus/internal/security/apikey/ApiKeyDAO.xml
### The error may involve org.sonatype.nexus.internal.security.apikey.ApiKeyDAO.save-Inline
### The error occurred while setting parameters
How can I fix this?
Solved by following the instructions for this type of error found in No unique or exclusion constraint matching the ON CONFLICT