solr/example/example-DIH/solr/tika/conf/tika-data-config.xml

<dataConfig>
  <dataSource type="BinFileDataSource"/>
  <document>
    <entity name="file" processor="FileListEntityProcessor" dataSource="null"
            baseDir="${solr.install.dir}/example/exampledocs" fileName=".*pdf"
            rootEntity="false">

      <field column="file" name="id"/>

      <entity name="pdf" processor="TikaEntityProcessor"
              url="${file.fileAbsolutePath}" format="text">

        <field column="Author" name="author" meta="true"/>
        <!-- in the original PDF, the Author meta-field name is upper-cased,
          but in Solr schema it is lower-cased
         -->

        <field column="title" name="title" meta="true"/>
        <field column="dc:format" name="format" meta="true"/>

        <field column="text" name="text"/>

      </entity>
    </entity>
  </document>
</dataConfig>