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From Jeremy Boynes <>
Subject Re: Geronimo Features.
Date Mon, 26 Sep 2005 14:04:06 GMT
Geronimo does not have any direct integration with JDBC but supports 
access through the generic J2CA framework. The TranQL project has J2CA 
adaptors for various databases.

The J2CA framework is interceptor based which allows different parts of 
the connection framework to be plugged in including the connection manager.

TranQL has an adaptor that wraps a generic JDBC driver allowing any 
driver to be used.

TranQL has specialized drivers for certain databases (including Apache 
Derby, Oracle and soon DB2) that provide a tighter integration with 
advanced features of the driver itself. It is at this level features 
such as load-balancing and failover would be provided.

For less integrated failover (which is my understanding of the JBoss 
feature) a C-JDBC wrapper can be used.


Manu George wrote:
> Hi,
> I have a few doubts about geronimo features. I checked out the release notes
> from M4 but would like to know if there is any document listing the features
> added upto now. Specifically I have a few questions
> 1) Does Geronimo have datasource failover capabilities like in JBOSS?
> 2) How many connection managers does geronimo support? Can custom connection
> managers be plugged in?
> 3) Geronimo does not yet handle drivers that supply their own DataSource,Is
> this statement still valid? How many types of datasources does geronimo
> support?
> 4) Can you connect to RDBMS's that have not yet implemented JCA-JDBC drivers
> in geronimo?
> Thanks
> Manu

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