Informix Error -14503: CSS error loading <csm-name> </csm-name>

Cause and resolution

CSS error loading <csm-name> </csm-name>

Communication Support Services failed to load the library that contains a Communications Support Module.

Check the path name of the CSM library in CSS configuration file, and Make sure it is a valid shared library.

If the problem persists, contact IBM Informix Technical Support or the CSM vendor and have the following information available: CSS configuration files and sqlhosts information for both the client and the database server.

Oninit® Troubleshooting Guidance

Reasons / Common Causes

-14503 fires when Communication Support Services (CSS) fails to load the shared library containing a named Communications Support Module (CSM) — per the official guidance.

A CSM shared library that couldn't be loaded, per the official guidance — the direct, only cause.

Solutions / Resolution

Check the CSM library path name in the CSS configuration file, and confirm it's a valid shared library, per the official guidance.
If the problem persists, contact IBM Informix Technical Support or the CSM vendor, per the official guidance, with the CSS configuration files and sqlhosts information available.

Examples

N/A

No specific triggering statement is documented beyond a CSM library failing to load.

Diagnostic Checks

Check the CSM library's configured path, and confirm the file exists and is a valid shared library for the platform.

Related Errors / Related Topics

-14511 — "CSS: init function is not found in library ." A related library-loading error, about a missing initialization function rather than the library failing to load entirely.
-14588 — "CSS: CSM descriptor : CSM link type undefined." A related library-configuration error, about the library name/link type not being specified at all.

CSS couldn't load the named CSM's shared library — check the configured library path and confirm it's a valid shared library.