ORA-600 Internal Error [kpndbcon-svchpnotNULL] Using Database Link

(Doc ID 1610510.1)

Last updated on FEBRUARY 23, 2017

Applies to:

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


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



 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.


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