Why Does My Java App Show 'No Suitable Driver Found' When Using MySQL Connection Pools?

How to Resolve "No Suitable Driver Found" Error When Using Connection Pools in Java Applications

When attempting to create a connection to a MySQL database using pools in a Java application, you may encounter an error message stating:

No suitable driver found for jdbc:mysql://localhost/dbname

This error arises when the connection pooling mechanism cannot locate the appropriate JDBC driver for MySQL.

Solution:

To resolve this issue, ensure that the MySQL JDBC driver JAR file is located in both the application's classpath (e.g., WEB-INF/lib) and the server's library folder (usually ${CATALINA_HOME}/lib).

Additional Tips:

• Verify that the version of the JDBC driver matches the version of MySQL you are using.
• Consider setting up the connection pool before the application is instantiated, as this may be required by the application server you are using.
• Check the database URI (jdbc:mysql://localhost/dbname) to ensure that it is correct and that the database is accessible.
• Examine the stack trace for additional error details that may provide further insight into the root cause.

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