EXTPROC: External Procedure Fails With ORA-28576 (Doc ID 468404.1)

Last updated on OCTOBER 31, 2016

Applies to:

Oracle Net Services - Version 10.2.0.1 to 11.1.0.7 [Release 10.2 to 11.1]
Linux x86

Symptoms

The following error stack is seen intermittently while running external procedure :

ERROR at line 1:
ORA-28576: lost RPC connection to external procedure agent
ORA-06512: at "SYSTEM.SHELL", line 1
ORA-06512: at line 1

Additionally,  the following error stack might appear in a trace file in the ORACLE_HOME/admin/<dbname>/udump directory:

HS:  RPC error reported on server, SendExecCallout: ncrowht_what; NCR code 1004

Changes

This behavior can occur after upgrading the Database Server to 10.2.0.x. 

Cause

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