Thanks to all for the quick answers!! On Feb 16, 2010, at 9:15 AM, Bradd Piontek wrote: > Bill, > That is almost certainly on the master site. One big indicator is the blank > Undo segment name. Another way to verify is to check the alert log. ORA-1555 > errors are typically logged there as well. > > > Bradd Piontek > Pythian - Love Your Data > > > On Tue, Feb 16, 2010 at 8:04 AM, Bill Zakrzewski <bill@xxxxxxxxxxxx> wrote: > All - > > I am refreshing a materialized view and occasionally receive the below error. > Should I be looking at the local database rollback segment or the remote > databases rollback segment? As I don't believe anything is running locally > it must be on the remote database, but wanted to verify before I start trying > to tune/fix the issue in the wrong database. > > > ORA-12012: error on auto execute of job 42 > ORA-12008: error in materialized view refresh path > ORA-01555: snapshot too old: rollback segment number with name "" too small > ORA-02063: preceding line from FEMA_ODS > ORA-06512: at "SYS.DBMS_SNAPSHOT", line 2251 > ORA-06512: at "SYS.DBMS_SNAPSHOT", line 2457 > ORA-06512: at "SYS.DBMS_IREFRESH", line 685 > ORA-06512: at "SYS.DBMS_REFRESH", line 195 > ORA-06512: at line 1 > > > Thanks > Bill >