Resultset of Spring 3 MVC and JDBC returns null?

You have your dataSource and your JdbcContactDAO bean configured in the config file. So in the same way you need to inject the jdbcContactDAO bean into your Controller.

A common idiom when using the JdbcTemplate class is to configure a DataSource in your Spring configuration file, and then dependency inject that shared DataSource bean into your DAO classes; the JdbcTemplate is created in the setter for the DataSource. Private JdbcTemplate jdbcTemplate.

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