데이터베이스 연결 풀링

<!-- https://mvnrepository.com/artifact/commons-dbcp/commons-dbcp -->
<dependency>
    <groupId>commons-dbcp</groupId>
    <artifactId>commons-dbcp</artifactId>
    <version>1.4</version>
</dependency>

 

 

 

https://mvnrepository.com/artifact/commons-dbcp/commons-dbcp/1.4