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From Lasantha Ranaweera <>
Subject JDBC Feature List for Geronimo v 1.1
Date Wed, 05 Jul 2006 04:47:03 GMT
  Hi All,

I have been updating some documentation stuff for the Apache Geronimo 
version 1.1 from the last month. The given table gives some of the JDBC 
features for Geronimo version 1.0. Is this content is still valid for 
the Geronimo v1.1 too?

Feature 	Description
JDBC access 	Geronimo does not have any direct integration with JDBC but 
supports access through the generic J2CA framework. The TranQL project 
has J2CA adapters for various databases.
JCA implementation 	Geronimo supports the JCA 1.5 specification and is 
backward compatible to the JCA 1.0 specification.
Data sources supported 	TranQL has generic wrappers for data source, 
ConnectionPoolDatasource, and XADataSource.
Data source failover 	TranQL has specialized drivers for certain 
databases (including Apache Derby, Oracle and soon DB2) that provide a 
tighter integration with the advanced features of the driver.
It is at this level that features such as load-balancing and failover 
would be provided. You can also use a C-JDBC wrapper for providing 
database clustering and failover.
XA support 	Supports XA transactions, Local Transactions, and No 
Connection Manager Configurability 	The J2CA framework is interceptor 
based which allows different parts of the connection framework to be 
plugged in.
JTA implementation 	Transaction support is provided through JOTM and HOWL.
Connection pooling and management 	Custom Geronimo Code and TranQL used 
for connection pooling and management.
Legacy driver support 	Geronimo provides this through the TranQL- 
connector JDBC to JCA wrapper in Geronimo. Supports JDBC 3.0 and 2.1.


Lasantha Ranaweera
Senior Software Engineer,
Lanka Software Foundation,
Sri Lanka.

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