|
Package
|
Version
|
Description
|
Required?
|
|
JDO2
|
2.0+
|
Apache JDO2 API. Use "jdo2-api-legacy" if using JDK1.3/1.4
|
Yes
|
|
JTA
|
1.x
|
Java transaction layer. Used for transaction handling.
|
Yes if using JDK1.3
|
|
JDBC
|
2.x+
|
Java database access layer. Used for communication with RDBMS datastores
|
Yes if using JDK1.3
|
|
log4j
|
1.2.x+
|
Apache Log4J Logging framework.
|
No. Use it or JDK1.4 logging
|