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Preparing the Derby Database

1. Use the wget command to download and save Apache Derby Download Apache Derby from http://apache.mesi.com.ar/db/derby/db-derby-10.8.2.2/ and save it to your computer.

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2. Install Apache Derby on your computer using instructions given at http://db.apache.org/derby/manuals.

3. Go to the <derby-installation directory>/bin directory and run the Derby network server start script. Usually, it is named startNetworkServer.Image Removed

Setup Configuration Files

1. Edit the default database configuration defined in the master-datasources.xml file located at $CARBON_HOME/repository/conf/datasources directory 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:derby://localhost:1527/db;create=true</url>
               <userName>regadmin</userName>
               <password>regadmin</password>
               <driverClassName>org.apache.derby.jdbc.ClientDriver</driverClassName>
               <maxActive>80</maxActive>
               <maxWait>60000</maxWait>
               <minIdle>5</minIdle>
               <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.

Setup Drivers

Copy derby.jar, derbyclient.jar and derbynet.jar from $DERBY_HOME/lib in to $CARBON_HOME/repository/components/extensions directory (to the class path of the WSO2 ESB Message Broker web application).

Create Database

Automatic Database Creation

1. The first time you start the server, run it with the -Dsetup option so that it will create the Derby database.

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wso2server.sh -Dsetup

2. The WSO2 ESB Message Broker is configured to run using a remote Apache Derby database.

Manual Database Creation

1. Run the ij tool located in the <derby-installation directory>/bin directory.

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5. Run the Derby scripts for both the registry and user manager (embedded) databases, provided with the WSO2 ESBMessage Broker, using the following command:

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6. Restart the server. Now WSO2 ESB Message Broker is running using a remote Apache Derby database.

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