Does CDT support CLOB data type of Oracle?

I am trying to map the CLOB data type with String in Appian CDT. But while trying to fetch data from query entity getting an error saying : an error occurred while retrieving data.

Below is the xsd mapping.

<xsd:element name="body_html" nillable="true" type="xsd:string">
<xsd:annotation>
<xsd:appinfo source="appian.jpa">@Column(name="BODY_HTML", columnDefinition="CLOB")</xsd:appinfo>
</xsd:annotation>
</xsd:element>

Thanks.

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