Java Version (aarch64)

openjdk version "17-internal" 2021-09-14
OpenJDK Runtime Environment (build 17-internal+0-adhoc..src)
OpenJDK 64-Bit Server VM (build 17-internal+0-adhoc..src, mixed mode)

Error
java.lang.NoClassDefFoundError: com/mysql/jdbc/jdbc2/optional/MysqlDataSource

Plugins
MobHunting-8.0.4.jar
ProtocolLib-4.7.0.jar
Vault-1.7.3-b131.jar

Logs
Hastebin: latest.log

Possible fix
StackOverflow ClassNotFoundException: com.mysql.jdbc.jdbc2.optional.MysqlDataSource

You are having a problem with your MySQL database. com/mysql/jdbc/jdbc2/optional/MysqlDataSource is not to be included in any plugin.