ORA-07445 [_nsdo+54] and "HS Message To Agent" Wait in Trace Using TOAD
(Doc ID 1308787.1)
Last updated on APRIL 20, 2024
Applies to:
Oracle Database - Enterprise Edition - Version 10.2.0.3 and laterGen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.
Symptoms
When using TOAD the following error may occur -
ORA-07445: exception encountered: core dump [ACCESS_VIOLATION] [_nsdo+54] [PC:0x609AF9E2] [ADDR:0x7A8C838] [UNABLE_TO_READ] []
The stack trace will show -
---CALL STACK TRACE---
Stack Trace:
nsdo nsbrecv hortsC_SendExitAge nt hoxexit hogmdis hogdisc xupidhs upidhs kpudtch OCIServerDetach ncodncf npidsc npidsa npitcc ksmupg ksuxds ksudel opidcl opidrv sou2o opimai_real opimai OracleThreadStart@ 4
Stack Trace:
nsdo nsbrecv hortsC_SendExitAge nt hoxexit hogmdis hogdisc xupidhs upidhs kpudtch OCIServerDetach ncodncf npidsc npidsa npitcc ksmupg ksuxds ksudel opidcl opidrv sou2o opimai_real opimai OracleThreadStart@ 4
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |
| References |