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Error:((Sys.Wrh$_undostat_pk) Violated) Ora-00001 (Doc ID 397284.1)

Last updated on JULY 08, 2021

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.1 to 11.2.0.2 [Release 10.2 to 11.2]
Information in this document applies to any platform.

Symptoms

Receive dump file complaining of a violation of the unique key on SYS.WRH$_UNDOSTAT as follows:

System name: <SYSTEM NAME>
Node name: <NODE NAME>
Release: 5.8
Version: Generic_117350-41
Machine: <MACHINE>
Instance name: <INSTANCE NAME>
Redo thread mounted by this instance: 1
Oracle process number: 15
Unix process pid: 11556, image: oracle@abc (m000)

*** ACTION NAME:(Auto-Flush Secondary Action) 2006-10-29 02:01:00.600
*** MODULE NAME:(MMON_SECONDARY) 2006-10-29 02:01:00.600
*** SERVICE NAME:(SYS$BACKGROUND) 2006-10-29 02:01:00.600
*** SESSION ID:(138.390) 2006-10-29 02:01:00.600
*** KEWROCISTMTEXEC - encountered error: (ORA-00001: unique constraint
(SYS.WRH$_UNDOSTAT_PK) violated
)
*** SQLSTR: total-len=1048, dump-len=240,
STR={insert into wrh$_undostat (begin_time, end_time, dbid,
instance_number, snap_id, undotsn, undoblks, txncount, maxquerylen,
maxquerysqlid, maxconcurrency, unxpstealcnt, unxpblkrelcnt, unxpblkreucnt,
expstealcnt, expblkrelcnt, expb}
*** KEWRAFM1: Error=13509 encountered by kewrfteh

### If you are receiving errors, list the exact error messages and text: ###
*** KEWROCISTMTEXEC - encountered error: (ORA-00001: unique constraint
(SYS.WRH$_UNDOSTAT_PK) violated
)

Changes

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Cause

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In this Document
Symptoms
Changes
Cause
Solution
References

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