First H2 is a SQL embedded database cf https://www.h2database.com/html/main.html
"Welcome to H2, the Java SQL database." Second you would need to load the jdbc driver for 2 and probably add H2 jars and dependencies on the classpath. How to do this will differ depending of if you use Spring or guice Guice: https://github.com/apache/james-project/tree/master/server/apps/jpa-app#using-alternative-jdbc-drivers Spring: Drop jars into the libs folder and configure h2 jdbc driver -- Best regards, Benoit TELLIER General manager of Linagora VIETNAM. Product owner for Team-Mail product. Chairman of the Apache James project. Mail: btell...@linagora.com Tel: (0033) 6 77 26 04 58 (WhatsApp, Signal) On Feb 4, 2025 2:08 AM, from Ilya Terskov <prosgar...@gmail.com>Hi guys. Looking for info many tells that most nosql fast database. And if i understand right it java based so driver in james already here? I need change in database configs and install h2 ofc. Tell me please how it work with james?