<Resource
        name="jdbc/geonetwork"
        type="javax.sql.DataSource"
        auth="Container"
        driverClassName="org.postgresql.Driver"
        url="jdbc:postgresql://localhost:5432/geonetwork"
        username="geonetwork_user"
        password=""
        maxActive="20"
        maxIdle="20"
        maxWait="200"
        initialSize="20"
        removeAbandoned="true"
        removeAbandonedTimeout="120"
        logAbandoned="true"
        testOnBorrow="true"
        defaultReadOnly="false"
        defaultAutoCommit="false"
        validationQuery="SELECT 1"
        timeBetweenEvictionRunsMillis="10000"
        minEvictableIdleTimeMillis="1800000"
        testWhileIdle="true"
        numTestsPerEvictionRun="3"
        poolPreparedStatements="true"
        maxOpenPreparedStatements="1200"
        provideDataStore="true"  --> tried this to build spatialindex table
/>

<bean id="jdbcDataSource" class="org.springframework.jndi.JndiObjectFactoryBean">
        <property name="jndiName" value="java:/comp/env/jdbc/geonetwork"/>
        <property name="cache" value="true"/>
        <property name="exposeAccessContext" value="false"/>
 </bean>
 <bean id="jpaVendorAdapterDatabaseParam" class="java.lang.String">
        <constructor-arg value="POSTGRESQL"/>
 </bean>

CREATE TABLE spatialindex
 (
    fid int not null,
    id  varchar(250),
    primary key(fid)
  );
CREATE INDEX spatialindexNDX1 ON spatialindex(id);
SELECT AddGeometryColumn('spatialindex', 'the_geom', 4326, 'MULTIPOLYGON', 2 );
CREATE INDEX spatialindexNDX2 on spatialindex USING GIST(the_geom);

<import resource="defaultJdbcDataSource.xml" />
<import resource="postgis-alternate-datasource.xml" />

<bean id="jpaVendorAdapterDatabaseParam" class="java.lang.String">
    <constructor-arg value="POSTGRESQL"/>
</bean>

<bean id="jdbcDriverClassName" class="java.lang.String">
    <constructor-arg value="org.postgis.DriverWrapper"/>
</bean>

<bean id="jdbcURL" class="java.lang.String">
    <constructor-arg value="jdbc:postgresql_postGIS://${jdbc.host}:${jdbc.port}/${jdbc.database}"/>
</bean>