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Finding the Underlying Cause For "ORA-29283: invalid file operation" Error When Using the UTL_FILE Package. (Doc ID 1313404.1)

Last updated on SEPTEMBER 28, 2023

Applies to:

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


This Note will help with the analysis for determining the actual underlying cause for the "ORA-29283: invalid file operation" error when using the UTL_FILE package and the UTL_FILE.FOPEN call.

The "ORA-29283: invalid file operation" error is more of a general error and gives no indication on if the error is due to a lack of OS privileges on the directory, a lack of OS privileges on the file or even if the file is missing. This Note will show how to trace that actual C calls being made at the OS level to interact with the file. Based on the trace it will be fairly obvious as to the real cause for the "ORA-29283: invalid file operation" error.


The intended audience can be the DBA or Developer looking to trouble-shoot the error.
The execution of the truss utility (strace on Linux) may require additional privileges from the OS system administrator.


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In this Document
 Attempt to Open a Missing File Example
 Attempt to Write to a File With Read-Only Privileges Example
 Automated Tracing

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