ORA-1555 Error With Query Duration as 0 Seconds
Last updated on AUGUST 23, 2017
Applies to:Oracle Database - Enterprise Edition - Version 184.108.40.206 to 220.127.116.11 [Release 9.2 to 11.2]
Information in this document applies to any platform.
***Checked for relevance on 24-Aug-2017***
This problem can occur on any platform.
ORA-1555 error reported intermittently with query duration as 0 seconds.
This may be impacted by <bug:5475085> currently being worked by development which identified that not all undo statistics are being updated when they should be, such as V$UNDOSTAT.EXPBLKREUCNT.
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