DBCP 1.3 compiles and runs under Java 1.4-5 only （JDBC 3）commons，DBCP now comes in three different versions to support different versions of JDBC. Here is how it works:單獨使用dbcp需要3個包：common-dbcp.jar，commons-dbcp maven，common-pool.jar，common-collections.jar。DBCP 1.4 compiles and runs under Java 6 only （JDBC 4）commons-pool1.6和commons-pool2.2分屬commons-pool中兩個不同的大版本，按照commons-pool官網上的介紹，Apache Commons ...