GlassFish Wiki : JDBC40OnePagerDiscussions

Table -1 : Proposed JDBC 3.0 & 4.0 support details : (including Bill's requirement of having optional build using 1.6 in (2) )

S No	Build JDK	classes compiled	binary dependency (staged)	runtime	supported versions of jdbc	Description
1	1.5	jdbc 3.0 impl	jdbc 4.0 impl	1.5, 1.6	JDK 1.5->JDBC 3.0 JDK 1.6->JDBC 4.0	default behavior if build-jdk is 1.5
2	1.5, 1.6	jdbc 3.0 impl and jdbc 4.0 impl		1.5, 1.6	JDK 1.5->JDBC 3.0 JDK 1.6->JDBC 4.0	1) to build 4.0 classes using jdk1.6, user need to a) set java to jdk1.6 b) glassfish/jdbcra> maven build-jdbc-4.0
3	1.6	jdbc 4.0 impl		1.6	JDK 1.6 -> JDBC 4.0	default behavior if build-jdk is 1.6 3.0impl classes will not be build, not be included in glassfish

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) Binary dependency on jdbc-4.0-impl can be removed by having jdk1.5 build with jdbc-40-api.jar in javac - "bootclasspath". Need input from Lance

Table -2 : To incorporate Gerome's suggestions of build using 1.6 and compatible with 1.5 in (3)

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S No	Build JDK	classes compiled	binary dependency (staged)	runtime	supported versions of jdbc	Description
1	1.5	jdbc 3.0 impl	jdbc 4.0 impl	1.5, 1.6	JDK 1.5->JDBC 3.0 JDK 1.6->JDBC 4.0	default behavior if build-jdk is 1.5
2	1.5, 1.6	jdbc 3.0 impl and jdbc 4.0 impl		1.5, 1.6	JDK 1.5->JDBC 3.0 JDK 1.6->JDBC 4.0	1) to build 4.0 impl classes using jdk1.6, user need to a) set java to jdk1.6 b) glassfish/jdbcra> maven build-jdbc-4.0
3	1.6	jdbc 4.0 impl	jdbc 3.0 impl	1.5 ,1.6	JDK 1.5->JDBC 3.0 JDK 1.6 ->JDBC 4.0	default behavior if build-jdk is 1.6