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This article shows you how to configure a DB2 datasource in Apache Geronimo.
In this scenario, you will create a connection pool for a DB2 database, to connect to that database you are required to define at least two driver jar files. They include the JDBC driver itself and the respective license files. Depending on your implementation you will need different license files.
The steps described in this article are valid for deploying any other datasource when you do not have the drivers installed on the server, require multiple driver files, or both.
This article provides two alternatives to deploy the connection pool: using the Geronimo Administration Console and using the command line option.
To add the DB2 drivers and license to the Geronimo repository, you are required to place the files in a particular directory structure. You will normally have two or three files to add to the repository. These files are:
These files are available in the <sqllib_home>\java directory. For additional information about the DB2 JDBC drivers and licenses, visit the DB2 Information Center available at the following URL:
To use these files in Geronimo, rename (copy and rename) the files according to the following table. In this case, you will not use db2jcc_license_cisuz.jar because it is for Z/OS and iSeries.
This means that for this particular case, DB2 v9.5 is used.
At this point, you are ready to add those files to the Geronimo repository in two ways. You can either use any graphical or command line tool to copy the files and create the necessary directories, or use the Geronimo Administration Console and add the driver and licenses to the common libraries. See the following details.
Create the following directory structures under the <geronimo_home>\repository directory and copy the appropriate files to the respective directories.
To use the administration console, Apache Geronimo must be running. Access the Geronimo Administration Console by pointing your browser to the following URL:
With the drivers and license files installed, you can now create a new database connection pool.
From the Geronimo Administration Console, select Database Pools and create a new pool by clicking Using the Geronimo database pool wizard.
As an alternative to the wizard, you can create a deployment plan manually and deploy it by using the command line based deployer tool. To use this option, create a db2-plan.xml file and copy the content of the following example to the file.
In the <dep:environment> section, you can find the moduleId that identifies the resource or component being deployed; in the Administration Console the moduleId is displayed in the Component Name column on the Database Pools portlet.
Right after the moduleId is the definition of the dependencies. In this particular case, you can find three <dep:dependency> blocks pertaining to the DB2 JDBC driver and the license jar. The last "big" block in this plan is the <resourceadapter> where the connection parameters such as driver, user and password, connection URL, and so on are defined.
To the deploy the DB2 datasource you just created, run the following command from the <geronimo_home>\bin directory.
deploy --user system --password manager deploy <dep_plan_home>\db2-plan.xml ..\repository\org\tranql\tranql-connector-db2-xa\1.4\tranql-connector-db2-xa-1.4.rar
You will receive the following message: