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ORA-600 Internal Error [kpndbcon-svchpnotNULL] Using Database Link (Doc ID 1610510.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Net Services - Version 11.2.0.1 and later
Oracle Database - Enterprise Edition - Version 11.2.0.3 to 11.2.0.3 [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

1. The following errors are being thrown in the alert.log:

ORA-00600: internal error code, arguments: [kpndbcon-svchpnotNULL]

2.  The incident file will have the following function calls listed in the stack trace:

kpnconn <- npicon0 <- kpndbcon <- OCIKDBLinkConn2 <- OCIKDBLinkConn

 

Changes

 It is likely that the tnsnames.ora file or connect string that is referenced  by the origin database has been modified since the creation of the link.

Cause

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