Queries That Access a Local Synonym Which Points to a Remote Database Error With ORA-03106 or ORA-03020 Two-Task Errors
(Doc ID 416857.1)
Last updated on OCTOBER 23, 2019
Applies to:
Oracle Database - Enterprise Edition - Version 9.2.0.1 to 10.2.0.1 [Release 9.2 to 10.2]Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud 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
Information in this document applies to any platform.
Symptoms
After applying an interim patch to an Oracle Home on a Unix or Linux server, a query that had previously worked begins failing with:
ORA-03106 "fatal two-task communication protocol error" and / or
ORA-03120 "two-task conversion routine: integer overflow" errors.
The query selects from a local synonym, which in turn selects from a remote table via a database link.
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |