U have to add an xml file in jboss\server\default\deploy...
Then u have to make a servlet context from jsp or from servlet..
The format is given below
<?xml version="1.0" encoding="UTF-8"?>
<datasources>
<local-tx-datasource>
<jndi-name>mysqlDs</jndi-name>
<connection-url>jdbc:mysql://localhost:3306/mytest</connection-url>
<driver-class>com.mysql.jdbc.Driver</driver-class>
<user-name>put your username hre </user-name>
<password>put your password hre</password>
<min-pool-size>5</min-pool-size>
<max-pool-size>50</max-pool-size>
<idle-timeout-minutes>30</idle-timeout-minutes> <exception-sorter-class-name>com.mysql.jdbc.integration.jboss.ExtendedMysq lExceptionSorter</exception-sorter-class-name> <valid-connection-checker-class-name>com.mysql.jdbc.integration.jboss.MysqlValidCo nnectionChecker</valid-connection-checker-class-name>
<metadata>
<type-mapping>mySQL</type-mapping>
</metadata>
</local-tx-datasource>
</datasources>