No field available using FieldReaderDataSource in solr?
<dataSource
name="jdbc"
driver="oracle.jdbc.driver.OracleDriver"
url="jdbc:oracle:thin:@//localhost:1521/orcl.159.125.54"
user="admin"
password="I1oveJustinBieber"
/>
<dataSource
name="xmldb"
type="FieldReaderDataSource"
/>
<document name="user">
    <entity name="squser" dataSource="jdbc" processor="SqlEntityProcessor" pk="GUID"
    query="SELECT GUID, FIRSTNAME, LASTNAME, TESTCLOB FROM SQUSER" transformer="ClobTransformer">
        <field column="GUID" name="guid" />
        <field column="FIRSTNAME" name="firstname" />
        <field column="LASTNAME" name="lastname" />
        <field column="TESTCLOB" name="testclob" clob="true"/>
        <entity name="profile" dataSource="xmldb" dataField="squser.testclob" processor="XPathEntityProcessor" forEach="/profile">
            <field column="profile" xpath="/profile" />
        </entity>
    </entity>
</document>