MySQL Configuration for DSRP

MySQL is a relational database that can be used to store user generated content (UGC).

These instructions describe how to connect to the MySQL server and establish the UGC database.

Requirements

• Latest Communities feature pack

• JDBC driver for MySQL

• A relational database:

  • MySQL server Community Server version 5.6 or later

    • May run on same host as AEM or run remotely

  • MySQL workbench

Installing MySQL

MySQL should be downloaded and installed following the instructions for the target OS.

Lower case table names

As SQL is case insensitive, for case sensitive operating systems, it is necessary to include a setting to lower case all table names.

For example, to specify all lower case table names on a Linux OS:

• Edit file /etc/my.cnf

• In the [mysqld] section, add the following line:

  lower_case_table_names = 1

UTF8 character set

To provide better multilingual support, it is necessary to use the UTF8 character set.

Change MySQL to have UTF8 as its character set:

• mysql > SET NAMES ‘utf8’;

Change the MySQL database to default to UTF8:

• Edit file /etc/my.cnf

• In the [client] section, add the following line:

  default-character-set=utf8

• In the [mysqld] section, add the following line:

  character-set-server=utf8

Installing MySQL Workbench

MySQL Workbench provides an UI for executing SQL scripts which install the schema and initial data.

MySQL Workbench should be downloaded and installed following the instructions for the target OS.

Communities Connection

When the MySQL Workbench is first launched, unless already in use for other purposes, it will not yet show any connections:

New Connection Settings

1. Select the + icon to the right of MySQL Connections.

2. In the dialog Setup New Connection, enter values appropriate for your platform

   For demonstration purposes, with the author AEM instance and MySQL on the same server:

   • Connection Name: Communities
   • Connection Method: Standard (TCP/IP)
   • Hostname: 127.0.0.1
   • Username: root
   • Password: no password by default
   • Default Schema: leave blank

3. Select Test Connection to verify the connection to the running MySQL service

Notes:

• The default port is 3306
• The Connection Name chosen is entered as the datasource name in JDBC OSGi configuration

New Communities Connection

Database Setup

Open the Communities connection in order to install the database.

Obtain the SQL Script

The SQL script is obtained from the AEM repository:

1. Browse to CRXDE Lite

   • For example, http://localhost:4502/crx/de

2. Select the /libs/social/config/datastore/dsrp/schema folder

3. Download init-schema.sql

   

One method for downloading the schema is to:

• Select the jcr:content node for the sql file

• Notice the value for the jcr:data property is a view link

• Select the view link to save the data to a local file

Create the DSRP Database

Follow the steps below to install the database. The default name of the database is communities.

If the database name is changed in the script, be sure to also change it in the JDBC config.

Step 1: open SQL file

In the MySQL Workbench

• From the File pulldown menu, select the Open SQL Script option
• Select the downloaded init_schema.sql script

Step 2: execute SQL Script

In the Workbench window for the file opened in Step 1, select the lightening (flash) icon to execute the script.

In the following image, the init_schema.sql file is ready to be executed:

Refresh

Once the script is executed, it is necessary to refresh the SCHEMAS section of the Navigator in order to see the new database. Use the refresh icon to the right of ‘SCHEMAS’:

Configure JDBC Connection

The OSGi configuration for Day Commons JDBC Connections Pool configures the MySQL JDBC Driver.

All publish and author AEM instances should point to the same MySQL server.

When MySQL runs on a server different from AEM, the server hostname must be specified in place of ‘localhost’ in the JDBC connector.

• On each author and publish AEM instance.

• Signed in with administrator privileges.

• Access the web console.

  • For example, http://localhost:4502/system/console/configMgr

• Locate the Day Commons JDBC Connections Pool

• Select the + icon to create a new connection configuration.

  

• Enter the following values:

  • JDBC driver class: com.mysql.jdbc.Driver

  • JDBC connection URI: jdbc:mysql://localhost:3306/communities?characterEncoding=UTF-8

    Specify server in place of localhost if MySQL server is not the same as ‘this’ AEM server communities is the default database (schema) name.

  • Username: root

    Or enter the configured Username for the MySQL server, if not ‘root’.

  • Password:

    Clear this field if no password set for MySQL,

    else enter the configured password for the MySQL Username.

  • Datasource name: name entered for the MySQL connection, for example, ‘communities’.

• Select Save

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