DG4ODBC Gives Error Ora-28511: Lost Rpc Connection To Heterogeneous Remote Agent, NCR status = -2147385341
(Doc ID 952651.1)
Last updated on OCTOBER 14, 2023
Applies to:
Oracle Database - Enterprise Edition - Version 11.1.0.6 to 11.2.0.4 [Release 11.1 to 11.2]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 Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.
Symptoms
You are using the 11g dg4odbc gateway to query a non-Oracle database.
After a working for some time, with no configuration changes, the gateway stops working with the following errors reported in the sqlplus session:
ORA-28511: lost RPC connection to heterogeneous remote agent using
...
ORA-02063: preceding line from ...
...
ORA-02063: preceding line from ...
The following message is written to the alert log:
HS: Lost RPC connection to remote Agent...
HS: ... Agent SID =
(DESCRIPTION= ...))),
NCR status = -2147385341
HS: ... Agent SID =
(DESCRIPTION= ...))),
NCR status = -2147385341
If tracing is enabled for the gateway, the resulting trace file shows no errors.
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |