<?xml version="1.0" encoding="UTF-8"?>
<datasources>
<datasources>
        <local-tx-datasource>
            <jndi-name>cm</jndi-name>
            <driver- class >com.mysql.jdbc.Driver</driver- class >
             
            <connection-url>jdbc:mysql://localhost:3306/cm?autoReconnect=true</connection-url>
            <user-name>root</user-name>
            <password>sa</password>

            <min-pool-size> 5 </min-pool-size>
            <max-pool-size> 20 </max-pool-size>
            <check-valid-connection-sql>SELECT  1 </check-valid-connection-sql>
            <idle-timeout-minutes> 0 </idle-timeout-minutes>
            <track-statements/>

            <metadata>
                <type-mapping>mySQL</type-mapping>
            </metadata>
        </local-tx-datasource>
    </datasources>
</datasources>

<property name="connection.datasource">java:/cm</property>

Caused by: javax.naming.NameNotFoundException: cm not bound