CODEWITHSUNDEEP
mysqlmavenjava-platform-module-system
ngong
ngong

Reputation: 862

maven-connector-java, module not found

Successfully I did my first JDBC program using MariaDB, Maven, Java-11.
Now I have to access MySQL and just exchanged the MariaDB dependency by

<dependency>
  <groupId>mysql</groupId>
  <artifactId>mysql-connector-java</artifactId>
  <version>8.0.28</version>
</dependency>

I figured out, that com.mysql.jdbc and com.mysql.cj and other modules are hosted in the mysql-connector-java-8.0.28.jar. Hence, in module-info.java I exchanged

requires org.mariadb.jdbc;

by

requires com.mysql.jdbc;

I also tried

requires com.mysql.cj;

but still, the maven-compiler-plugin:3.9.0 complains

module not found

What did I miss, here?

Upvotes: 0

Views: 1934

Answers (1)

ngong
ngong

Reputation: 862

khmarbaise has put me on the right track: I almost forgot that there are legacy jar files around not prepared for easy integration into JPMS.
To include the jar file mysql-connector-java-8.0.28.jar, which comes without a module-info.class, I had to enter

requires java.sql;
requires mysql.connector.java;

to my module-info.java.
The module name mysql.connector.java is derived from the name of its jar file by omitting the version info and substituting the dashes by dots.

Upvotes: 1

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