Why am I getting a JDBC Driver Not Found Exception and How Can I Fix It?

JDBC Driver Not Found Exception Resolved

This JDBC driver not found exception typically occurs due to two main reasons:

1. JDBC Driver Not Loaded: Ensure that the necessary JDBC driver is included in your project's classpath or the relevant library path (e.g., WEB-INF/lib in a web application).

2. URL Mismatch: Verify that the URL used to establish the database connection matches the loaded JDBC driver's supported syntax and dialect. For MySQL databases, the URL should follow this format:

   jdbc:mysql://localhost:3306/dbname

Specific Issue in the Question:

The example code provided in the question contains an incorrect method of loading the JDBC driver. The following line:

com.mysql.jdbc.Driver d = null;
try{d = new com.mysql.jdbc.Driver();}catch(Exception e){...}

is incorrect as the MySQL JDBC driver is not being registered with DriverManager. Here's the correct way to load the driver:

try {
    Class.forName("com.mysql.jdbc.Driver");
} catch (ClassNotFoundException e) {
    throw new SQLException("JDBC driver not found", e);
}

Additionally, the exception handling in the code should be improved to correctly throw the exception rather than just printing it and continuing with the code, which can lead to unexpected behavior.

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