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Preparing the Embedded H2 Database

Download and install the H2 database in your computer, if it is not already done. You can find the H2 installation guide here.

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Setup configuration Files

1.  Edit the default database configuration defined in the master-datasources.xml file located at $GREG_HOME/repository/conf/datasources directory of the deployed registry instance as below. Both the database configurations in registry.xml and user-mgt.xml refer this data source.

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      <datasource>
            <name>WSO2_CARBON_DB</name>
            <description>The datasource used for registry and user manager</description>
            <jndiConfig>
                <name>jdbc/WSO2CarbonDB</name>
            </jndiConfig>
            <definition type="RDBMS">
                <configuration>
                    <url>jdbc:h2:repository/database/WSO2CARBON_DB;DB_CLOSE_ON_EXIT=FALSE;LOCK_TIMEOUT=60000</url>
                    <username>wso2carbon</username>
                    <password>wso2carbon</password>
                    <driverClassName>org.h2.Driver</driverClassName>
                    <maxActive>50</maxActive>
                    <maxWait>60000</maxWait>
                    <testOnBorrow>true</testOnBorrow>
                    <validationQuery>SELECT 1</validationQuery>
                    <validationInterval>30000</validationInterval>
                </configuration>
            </definition>
        </datasource>

The database configuration options.

• url - The URL of the database.
• userName - The name of the database user.
• password - The password of the database user.
• driverClassName - The class name of the database driver.
• maxActive - The maximum number of active connections that can be allocated from this pool at the same time or negative for no limit.
• maxWait - The maximum number of milliseconds that the pool will wait (when there are no available connections) for a connection to be returned before throwing an exception, or <= 0 to wait indefinitely.
• minIdle - The minimum number of active connections that can remain idle in the pool, without extra ones being created, or 0 to create none.

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Setup Drivers

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2. Copy the new H2 database driver (org.h2.Driver) to $GREG_HOME/repository/components/lib. One could find the required driver JAR in $H2_HOME/bin/h2-*.jar.

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Create Database

Automatic Database Creation

Next, at the first time you start the registry, run with the -Dsetup option. It will create the H2 database with all the underlying tables.

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wso2server.bat -Dsetup

Manual Table Creation using scripts

Tables can be manually created by logging into the created database and running and following script in H2 shell or Web Console.

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