file: org.apache.slide.store.impl.rdbms.StandardRDBMSAdapter Line: 514 method: grantPermission in Line 539 there's assureUriId(connection,permission.getSubjectUri()); assureUriId(connection,permission.getActionUri()); and it lost a line assureUriId(connection,permission.getObjectUri()); so it always inserts nothing into db and said: Failed to insert permission