ColdFusion for Unix Cannot Connect to Informix
In the ColdFusion start script (located in /opt/coldfusion/bin/start) the LD_LIBRARY_PATH may need additional paths to be able to connect to an Informix database correctly. Here's how:
ColdFusion for Unix Cannot Connect to Informix (Allaire/Macromedia Knowledge Base Article, Updated March 9, 2001)