What does XMLType.isFragment () throw SQLException with no details?

Question

package com.test.db.xml;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import oracle.jdbc.OracleResultSet;
import oracle.xdb.XMLType;
import oracle.xml.sql.query.OracleXMLQuery;
public class TestXMLTypeMethods {
     // This test performs a simple insert into a table defined as
     // Name Type
     // ID NUMBER
     // DESCR VARCHAR2(32)
     // XMLDOC SYS.XMLTYPE
     public static void main(String[] args) {
          String sConn = "jdbc:oracle:thin:@saturn:1522:ssidev";
          String sUser = "scott";
          String sPass = "tiger";
          Connection          conn = null;
          Statement          stmt = null;
          ResultSet          rs = null;
          OracleResultSet orset = null;
          OracleXMLQuery     oraQry = null;
          try {
               DriverManager.registerDriver(new oracle.jdbc.driver.OracleDriver());
               conn = DriverManager.getConnection(sConn, sUser, sPass);
               stmt = conn.createStatement();
               rs = stmt.executeQuery("select a.xmldoc from robxml1 a ");
               orset = (OracleResultSet) rs;
               while (orset.next()) {
                    XMLType tXML = XMLType.createXML(orset.getOPAQUE(1));
                    System.out.println (" *** SQL Type Name: " + tXML.getSQLTypeName());
                    try {
                         System.out.println (" *** isFragment() : " + tXML.isFragment());
                    } catch (SQLException e) {
                         while (e != null) {
                              System.err.println (" " + e.getSQLState() + " " + e.getErrorCode() + " " + e.getMessage());
                              e.printStackTrace();
                              e = e.getNextException();
                    } catch (Exception e) {
                         e.printStackTrace();
          } catch (Exception e) {
               e.printStackTrace();
          } finally {
               try {
                    if (orset != null) {
                         orset.close();
               } catch (Exception e) { /* ignore */
               try {
                    rs.close();
               } catch (Exception e) { /* ignore */
               try {
                    stmt.close();
               } catch (Exception e) { /* ignore */
               try {
                    conn.close();
               } catch (Exception e) { /* ignore */
          System.out.println("all done");

Answer 1

hello,
What is the error message. Atleast what is the output of
System.out.println (" *** SQL Type Name: " + tXML.getSQLTypeName());
Regards.