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  1. Delete the following H2 database-related JAR file, which is shipped with WSO2 products:
    <PRODUCT_HOME>/repository/components/plugins/h2-database-engine_1.2.140.wso2v3.jar

  2. Find the JAR file of the new H2 database driver (<H2_HOME>/bin/h2-*.jar, where <H2_HOME> is the H2 installation directory) and copy it to your WSO2 product's <PRODUCT_HOME>/repository/components/lib/ directory.

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A datasource is used to establish the connection to a database. By default, WSO2_CARBON_DB datasource is used to connect to the default  H2 database, which stores registry and user management data. After setting up the Remote H2 database to replace the default H2 database, either change the default configurations of the WSO2_CARBON_DB datasource, or configure a new datasource to point it to the new database as explained below.

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Follow the steps below to change the type of the default WSO2_CARBON_DB datasource.

  1. Edit the default datasource configuration in the <PRODUCT_HOME>/repository/conf/datasources/m aster-datasources.xml file as shown below.

    Code Block
    languagehtml/xml
    <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:tcp://localhost/~/registryDB;create=true</url>
               <username>regadmin</username>
               <password>regadmin</password>
               <driverClassName>org.h2.Driver</driverClassName>
               <maxActive>80</maxActive>
               <maxWait>60000</maxWait>
               <minIdle>5</minIdle>
               <testOnBorrow>true</testOnBorrow>
               <validationQuery>SELECT 1</validationQuery>
               <validationInterval>30000</validationInterval>
           </configuration>
      </definition>
</datasource>

    The elements in the above configuration are described below:

    ElementDescription
    urlThe URL of the database. The default port for a DB2 instance is 50000.
    username and passwordThe name and password of the database user
    driverClassNameThe class name of the database driver
    maxActiveThe maximum number of active connections that can be allocated  at the same time from this pool. Enter any negative value to denote an unlimited number of active connections.
    maxWaitThe 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. You can enter zero or a negative value to wait indefinitely.
    minIdleThe minimum number of active connections that can remain idle in the pool without extra ones being created, or enter zero to create none.

    testOnBorrow  

    		The indication of whether objects will be validated before being borrowed from the pool. If the object fails to validate, it will be dropped from the pool, and another attempt will be made to borrow another.
    validationQueryThe SQL query that will be used to validate connections from this pool before returning them to the caller.
    validationIntervalThe indication to avoid excess validation, and only run validation at the most, at this frequency (time in milliseconds). If a connection is due for validation, but has been validated previously within this interval, it will not be validated again.
    Info

    For more information on other parameters that can be defined in the <PRODUCT_HOME>/repository/conf/datasources/ master-datasources.xml file, see Tomcat JDBC Connection Pool.

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Follow the steps below to configure new datasources to point to the new  databases you create to manage registry and/or user management data separately.

  1. Add a new datasource with similar configurations as the  WSO2_CARBON_DB datasource above to the <PRODUCT_HOME>/repository/conf/datasources/ master-datasources.xml file. Change its elements with your custom values. For instructions, see Setting up datasource configurations.

  2. If you are setting up a separate database to store registry-related data, update the following configurations in the <PRODUCT_HOME>/repository/conf/ registry.xml file.

    Code Block
    languagexml
    <dbConfig name="wso2registry">
	<dataSource>jdbc/MY_DATASOURCE_NAME</dataSource>
</dbConfig>

  3. If you are setting up a separate database to store user management data, update the following configurations in the <PRODUCT_HOME>/repository/conf/ user-mgt.xml file.

    Code Block
    languagexml
    <Configuration>
	<Property name="dataSource">jdbc/MY_DATASOURCE_NAME</Property>
</Configuration>

Creating database tables

To create the database tables, connect to the database that you created earlier and run the following scripts in H2 shell or web console:

  • To create tables in the registry and user manager database (WSO2CARBON_DB), use the below script:

    Code Block
    <PRODUCT_HOME>/dbscripts/h2.sql

Follow the steps below to run the script in Web console:

  1. Run the ./h2.sh command to start the Web console.
  2. Copy the script text from the SQL file.
  3. Paste it into the console.
  4. Click Run.
    Image Removed

  5. Restart the server.

    Info

    You can create database tables automatically when starting the product for the first time by using the -Dsetup parameter as follows:

    • For Windows: <PRODUCT_HOME>/bin/wso2server.bat -Dsetup

    • For Linux: <PRODUCT_HOME>/bin/wso2server.sh -Dsetup

Excerpt
hiddentrue

Note to writers: Add this content at the end of the page if any of the additional databases is relevant to your product.

Changing the identity/storage/product-specific databases

The topics above show how to change the WSO2_CARBON_DB, which is used to store registry and user manager information. If you changed the product-specific database that come by default or set up a separate database for identity or storage related data, the instructions are the same. In summary:

  1. Add a new datasource configuration to the following files for each of the separate databases that you need to create.

    For the identity databaseAdd it to the <PRODUCT_HOME>/repository/conf/datasources/<check the correct path and add file name (something like master-datasources.xml)>
    For the storage databaseAdd it to the  <PRODUCT_HOME>/repository/conf/datasources/<check the correct path and add file name (something like master-datasources.xml)
    For the product-specific databaseAdd it to the  <PRODUCT_HOME>/repository/conf/<check the correct path and add file name (something like api-manager.xml)

  2. Create the database tables using the following scripts:

    For the identity databaseUse  <PRODUCT_HOME>/dbscripts/identity/<check the correct path and add file name (something like mysql.sql)>
    For the storage databaseUse  <PRODUCT_HOME>/dbscripts/storage/<check the correct path and add file name (something like /mysql/resoucre.sql)>
    For the product-specific databaseUse  <PRODUCT_HOME>/dbscripts/<check the correct path and add file name (something like /apimgt/mysql.sql)> 

  3. Update the following configurations, with the defined datasource name of the corresponding database configuration you added to the <PRODUCT_HOME>/repository/conf/datasources/master-datasources.xml file.

    • If you are setting up a separate database to store identity related data, update the following configurations in the <PRODUCT_HOME>/repository/conf/identity.xml file.

      Code Block
      languagexml
      <JDBCPersistenceManager>
	<DataSource>
		<!-- Include a data source name (jndiConfigName) from the set of datasources defined in master-datasources.xml -->
		<Name>jdbc/WSO2CarbonDB</Name>
	</DataSource>
</JDBCPersistenceManager>

      Note to writers: For step 3, add content on the XML files which include references on any of the additional databases and require edits that are relevant to your product similar to the given example.