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Reporting refresh fails with error ORA-01555 (Doc ID 1501678.1)

Last updated on JUNE 26, 2017

Applies to:

Oracle Health Sciences InForm - Version 4.5.0 and later
Information in this document applies to any platform.

Symptoms


Reporting refresh fails with error ORA-01555. The Oracle alert log shows the following:

ORA-20500: Refresh of materialized views failed. See error stack for error.
ORA-06512: at "<trial user>.REFRESH_PROCS", line 478
ORA-12008: error in materialized view refresh path
ORA-01555: snapshot too old: rollback segment number 4 with name "_SYSSMU4$" too small
ORA-06512: at "<trial user>.REFRESH_PROCS", line 713

 

Cause

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