ORA-600 [kpndbcon-svchpnotNULL] Raised by Query Through DBlink (Doc ID 1490700.1)

Last updated on MARCH 05, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 to 11.2.0.1 [Release 11.2]
Oracle Net Services - Version 11.2.0.1 to 11.2.0.1 [Release 11.2]
Oracle Database - Enterprise Edition - Version 11.2.0.4 to 11.2.0.4 [Release 11.2]
Information in this document applies to any platform.

Symptoms

Executing a query over a database link, the alert log reports an error like below:

Errors in file /oracle/app/diag/rdbms/wlsdbt/WLSDBT/trace/WLSDBT_ora_4490.trc (incident=19372):
ORA-00600: internal error code, arguments: [kpndbcon-svchpnotNULL], [], [], [], [], [], [], [], [], [], [], []
Incident details in: /oracle/app/diag/rdbms/wlsdbt/WLSDBT/incident/incdir_19372/WLSDBT_ora_4490_i19372.trc

 
The trace file with the ORA-600 shows characteristics like:

----- Current SQL Statement for this session (sql_id=gfgws4ccmvuvb) -----
select customer_id,cust_first_name,cust_email from customers@swing_obelix
where customer_id < 100 order by customer_id

----- Call Stack Trace -----

... kpnconn npicon0 kpndbcon OCIKDBLinkConn2 OCIKDBLinkConn ddfnet2Normal kkmfcbrm kkmpfcbk qcsprfro qcsprfro_tree ...

Cause

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