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ORA-07445: exception encountered: core dump [tbsafl()+3791] - ORA-01013: user requested cancel of current operation (Doc ID 1486314.1)

Last updated on FEBRUARY 11, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.3 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Linux x86-64

Symptoms

Customer gets ORA-01013: user requested cancel of current operation in alert.log,

and ORA-7445 [tbsafl] in trace file when adding a datafile.

Changes

This issue may happen with creation of a compressed tablespace, or addition of a datafile to a compressed tablespace, after installation of 112031DBPSU and 11203BP2 which came out in

November 2011.

 

You need to check the date the tablespace was created:

SQL> select a.CREATION_TIME from v$datafile a,v$tablespace b where a.ts#=b.ts# and b.name ='TSNAME';

CREATION_TIME
----------------
2012/06/14 19:04
2012/06/14 19:04
2012/06/14 19:04

If it was created after installation of those patches, it could be that the tablespace was initially created without compression, and compressed after its creation.

In this case,adding a datafile will still fail.

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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