External Procedure Call Fails With: ORA-06522 When Using the EXTPROC.ORA Configuration File Instead of the Listener

(Doc ID 1256784.1)

Last updated on SEPTEMBER 27, 2017

Applies to:

PL/SQL - Version and later
Information in this document applies to any platform.
*** Checked for relevance on 14th Aug 2017 ***


Running external procedure that depends on another shared library (.so/sl) or dynamic link library (.dll) in case of Windows, fails when it tries to load the dependent library even when the LD_LIBRARY_PATH is set in extproc.ora (and/or in the listener.ora if listener configuration is used) to correct location.

The following example, when run, fails with ORA-06520/ORA-06522 error.

1) Save below file as "doubleit_internal.c" and generate a shared library for it either by using the Oracle provided make file located at $ORACLE_HOME/rdbms/demo/demo_rdbms.mk or using custom command. For E.g:




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