ORA-07445 [qcstda] From SELECT From View With Invisble Column Over DB Link

(Doc ID 2334781.1)

Last updated on DECEMBER 01, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.2 and later
Information in this document applies to any platform.

Symptoms

Error seen in production environment; may impact application connections:

ORA-07445: exception encountered: core dump [qcstda()+1112] [SIGSEGV] [ADDR:0x0] [PC:0x1052F19D8] [Invalid permissions for mapped object] []

SQL shown in trace file is:

    (a) SELECT statement running over a database link
    (b) SELECT from a remote view with an invisible column

Cause

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