KB Article #192382

[INTERCHANGE] B2Bi using MYSQL database doesn't start

Problem

After installation of B2Bi 26 UP2025-08, B2Bi doesn't start.

Error seen in /Interchange/logs/<hostname>_ex.log :

2025-11-04T12:16:42,460 - FATAL [Executive] (ConnectionManagerImpl.<init>:51) - The database driver (com.mysql.cj.jdbc.Driver) could not be loaded, please check the class path.
java.lang.ClassNotFoundException: com.mysql.cj.jdbc.Driver
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641) ~[?:?]
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188) ~[?:?]

Resolution

The error is related to missing jdbc drivers.
To solve the issue, copy the "mysql-connector-java.jar" under "/Interchange/corelib".