@Darth Put the jar file into the lib folder in installer path \lucee\lib\ or \lucee\tomcat\lib\ instead of \lucee\tomcat\lucee-server\context\lib. I use jaybird-full-3.0.9.jar file, get the jar in this zip file (https://github.com/FirebirdSQL/jaybird/releases/download/v3.0.9/Jaybird-3.0.9-JDK_1.8.zip).
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