Cannot load JDBC driver class 'com.postgresql.jdbc.Driver' [duplicate]

Cannot load JDBC driver class 'com.postgresql.jdbc.Driver' [duplicate]

에러시. 아래와같은 해당되는 버전 코드 추가 Pom.xml 파일.

Add the dependency on the postgresql driver to your pom.xml file

<dependency>
    <groupId>org.postgresql</groupId>
    <artifactId>postgresql</artifactId>
    <version>9.3-1101-jdbc41</version>
</dependency>