JDBC 4.0 Driver 자동 로딩 사용하기

META-INF/services/java.sql.Driver 파일을 만든다. 

파일의 내용에 driver 클래스 이름을 적어 준다. 

ex) com.ibm.db2.jcc.DB2Driver

 

java.sql and javax.sql Features Introduced in the JDBC 4.0 API

• auto java.sql.Driver discovery -- no longer need to load a java.sql.Driver class via Class.forName
• National Character Set support added
• Support added for the SQL:2003 XML data type
• SQLException enhancements -- Added support for cause chaining; New SQLExceptions added for common SQLState class value codes
• Enhanced Blob/Clob functionality -- Support provided to create and free a Blob/Clob instance as well as additional methods added to improve accessiblity
• Support added for accessing a SQL ROWID
• Support added to allow a JDBC application to access an instance of a JDBC resource that has been wrapped by a vendor, usually in an application server or connection pooling environment.
• Availability to be notfied when a PreparedStatement that is associated with a PooledConnection has been closed or the driver determines is invalid