SQL Featuring View Merge Intermittently Fails with ORA-44203 "timeout waiting for lock on cursor" During Parse
(Doc ID 1500419.1)
Last updated on AUGUST 04, 2018
Oracle Server - Enterprise Edition - Version 220.127.116.11 and later
Information in this document applies to any platform.
- Intermittently the explain plan of a sql that involves view merging cannot be generated and fails with error ORA-44203 in 18.104.22.168.
explain plan for
ERROR at line 1:
ORA-44203: timeout waiting for lock on cursor
- The database was migrated to 11.2., and the explain plan ran fine in 10.2.0.3.
- Setting Optimizer_features_enable to 10.2.0.3 does not help.
- Errorstack for the session shows the following functions:
Database was Upgraded from 10.2 to 11.2.
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