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 12.2.0.1 and later
Information in this document applies to any platform.

Symptoms

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:

Cause

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