UTL_CALL_STACK.BACKTRACE_UNIT Raises ORA-64610 When Called From Anonymou Block

(Doc ID 2419817.1)

Last updated on JULY 12, 2018

Applies to:

PL/SQL - Version and later
Information in this document applies to any platform.


Executing an anonymous block having a call to utl_call_stack.backtrace_unit() in the exception handling section fails with ORA-64610: bad depth indicator whenever the anonymous block raises an exception.

The same behavior is observed when a procedure(raising some exception) is called dynamically from another procedure and the exception handling section of the caller makes a call to utl_call_stack.backtrace_unit().

The following PL/SQL code demonstrates the issue:


Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms