ORA-12012 / ORA-23324: error ORA-02055: distributed update operation failed; rollback required
Last updated on JULY 05, 2017
Applies to:Oracle Database - Enterprise Edition - Version 220.127.116.11 to 18.104.22.168.0 [Release 9.2 to 11.2]
Information in this document applies to any platform.
Checked for relevance on 19-Jan-2010
Advanced Replication is repeatedly failing to push transactions to remote destination
parallelism => 0 is being used.
The full error sequence is :
ORA-02068: following severe error from <dblink>
ORA-03113: end-of-file on communication channel, while creating deferror entry at "database" with error -2055
Primary key on a large table used by replication was dropped but not recreated.
Transactions being applied at the remote database are therefore using Full Table Scan
access path. i.e. the nature of this issue is that the Remote side table access path has
circumstances : check that relevant primary keys / indexes are present on remote replication
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