<jdbc-connection-pool connection-validation-method="auto-commit" driver-classname="org.postgresql.Driver" res-type="java.sql.Driver" name="poolname" is-connection-validation-required="true" connection-creation-retry-attempts="3" validate-atmost-once-period-in-seconds="60">
    <property name="URL" value="jdbc:postgresql://localhost:5432/dbname"></property>
    <property name="user" value="dbuser"></property>
    <property name="password" value="dbpassword"></property>
</jdbc-connection-pool>
<jdbc-resource pool-name="poolname" jndi-name="jdbc/poolname"></jdbc-resource>

<resource-ref ref="jdbc/poolname"></resource-ref>

java -cp "/opt/jdbc/postgresql.jar:/opt/payara/micro.jar" fish.payara.micro.PayaraMicro --deploy webapp.war --domainConfig microdomain.xml

<data-source>
  <name>java:global/ExampleDataSource</name>
  <class-name>com.mysql.jdbc.jdbc2.optional.MysqlXADataSource</class-name>
  <server-name>localhost</server-name>
  <port-number>3306</port-number>
  <database-name>mysql</database-name>
  <user>root</user>
  <password>root</password>
  <!-- Example of how to use a Payara specific custom connection pool    setting -->
  <property>
     <name>fish.payara.sql-trace-listeners</name>
     <value>com.sun.gjc.util.SQLTraceLogger</value>
  </property>
</data-source>

java -jar payara-micro.jar --deploy myApp.war --domainConfig mydomain.xml

setAlternateDomainXML(File alternateDomainXML)

<!-- db1 -->
<jdbc-connection-pool
        datasource-classname="com.mysql.jdbc.jdbc2.optional.MysqlDataSource" name="db1"
        res-type="javax.sql.DataSource"
        steady-pool-size="1"
        is-connection-validation-required="true"
        connection-validation-method="meta-data"
        max-pool-size="10">
    <property name="password" value="icoder_pwd"/>
    <property name="user" value="icoder_user"/>
    <property name="databaseName" value="icoder_db"/>
    <property name="serverName" value="localhost"/>
    <property name="portNumber" value="3310"/>
    <property name="zeroDateTimeBehavior" value="convertToNull"/>
</jdbc-connection-pool>
<jdbc-resource pool-name="db1" jndi-name="jdbc/db1"/>


<!-- db2 -->
<jdbc-connection-pool
        datasource-classname="com.mysql.jdbc.jdbc2.optional.MysqlDataSource" name="db2"
        res-type="javax.sql.DataSource"
        steady-pool-size="1"
        is-connection-validation-required="true"
        connection-validation-method="meta-data"
        max-pool-size="10">
    <property name="password" value="icoder_pwd"/>
    <property name="user" value="icoder_user"/>
    <property name="databaseName" value="icoder_db"/>
    <property name="serverName" value="localhost"/>
    <property name="portNumber" value="3311"/>
    <property name="zeroDateTimeBehavior" value="convertToNull"/>
</jdbc-connection-pool>
<jdbc-resource pool-name="db2" jndi-name="jdbc/db2"/>


</resources>