Exceção em WebRowSet (leitura de XML)

Galera,

Estou com um problema fantasmagórico! Daqueles que dá certo na máquina dos outros, mas na minha, não funciona!
Pretendo fazer algo muuuuuuuuuuuito simples! Preciso ler um arquivo xml, criado com o WebRowSet e depois ler o arquivo.
Crio o XML:

String caminhoXML = "C:/output.xml";
		try{
		WebRowSet wrs = new WebRowSetImpl();
		
		ResultSet rs = PoolProtocolo.getConnect().executeQuery("select codtiporelatorio, nmtiporelatorio from rempro.formulario");
        wrs.populate(rs);
        
        FileOutputStream fout = new FileOutputStream(caminhoXML);
        wrs.writeXml(fout);
        wrs.close();

Em outro momento, faço a leitura do aquivo:

try{
			WebRowSet wrs2 = new WebRowSetImpl();
			FileReader reader = new FileReader("C:/output.xml");
			wrs2.readXml(reader);
		}
		catch (SQLException selex){
			selex.printStackTrace();
		}
		catch (IOException ioex){
			ioex.printStackTrace();
		}

na linha

wrs2.readXml(reader);

recebo a exceção:

org.xml.sax.SAXNotRecognizedException: http://java.sun.com/xml/jaxp/properties/schemaLanguage
	at gnu.xml.aelfred2.XmlReader.getProperty(XmlReader.java:181)
	at gnu.xml.aelfred2.XmlReader.setProperty(XmlReader.java:166)
	at gnu.xml.aelfred2.JAXPFactory$JaxpParser.setProperty(JAXPFactory.java:147)
	at com.sun.rowset.internal.WebRowSetXmlReader.readXML(Unknown Source)
	at com.sun.rowset.WebRowSetImpl.readXml(Unknown Source)
	at br.gov.go.mp.rempro.util.testeXML.main(testeXML.java:18)
java.sql.SQLException: http://java.sun.com/xml/jaxp/properties/schemaLanguage
	at com.sun.rowset.WebRowSetImpl.readXml(Unknown Source)
	at br.gov.go.mp.rempro.util.testeXML.main(testeXML.java:18)

Abaixo o xml gerado:

<?xml version="1.0"?>
<webRowSet xmlns="http://java.sun.com/xml/ns/jdbc" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/jdbc http://java.sun.com/xml/ns/jdbc/webrowset.xsd">
  <properties>
    <command><null/></command>
    <concurrency>1008</concurrency>
    <datasource><null/></datasource>
    <escape-processing>true</escape-processing>
    <fetch-direction>1000</fetch-direction>
    <fetch-size>0</fetch-size>
    <isolation-level>2</isolation-level>
    <key-columns>
    </key-columns>
    <map>
    </map>
    <max-field-size>0</max-field-size>
    <max-rows>0</max-rows>
    <query-timeout>0</query-timeout>
    <read-only>true</read-only>
    <rowset-type>ResultSet.TYPE_SCROLL_INSENSITIVE</rowset-type>
    <show-deleted>false</show-deleted>
    <table-name><null/></table-name>
    <url><null/></url>
    <sync-provider>
      <sync-provider-name>com.sun.rowset.providers.RIOptimisticProvider</sync-provider-name>
      <sync-provider-vendor>Sun Microsystems Inc.</sync-provider-vendor>
      <sync-provider-version>1.0</sync-provider-version>
      <sync-provider-grade>2</sync-provider-grade>
      <data-source-lock>1</data-source-lock>
    </sync-provider>
  </properties>
  <metadata>
    <column-count>2</column-count>
    <column-definition>
      <column-index>1</column-index>
      <auto-increment>false</auto-increment>
      <case-sensitive>false</case-sensitive>
      <currency>false</currency>
      <nullable>2</nullable>
      <signed>true</signed>
      <searchable>true</searchable>
      <column-display-size>6</column-display-size>
      <column-label>codtiporelatorio</column-label>
      <column-name>codtiporelatorio</column-name>
      <schema-name></schema-name>
      <column-precision>5</column-precision>
      <column-scale>0</column-scale>
      <table-name></table-name>
      <catalog-name></catalog-name>
      <column-type>5</column-type>
      <column-type-name>int2</column-type-name>
    </column-definition>
    <column-definition>
      <column-index>2</column-index>
      <auto-increment>false</auto-increment>
      <case-sensitive>true</case-sensitive>
      <currency>false</currency>
      <nullable>2</nullable>
      <signed>false</signed>
      <searchable>true</searchable>
      <column-display-size>50</column-display-size>
      <column-label>nmtiporelatorio</column-label>
      <column-name>nmtiporelatorio</column-name>
      <schema-name></schema-name>
      <column-precision>0</column-precision>
      <column-scale>0</column-scale>
      <table-name></table-name>
      <catalog-name></catalog-name>
      <column-type>1</column-type>
      <column-type-name>bpchar</column-type-name>
    </column-definition>
  </metadata>
  <data>
    <currentRow>
      <columnValue>1</columnValue>
      <columnValue>Promotoria de Justiça                             </columnValue>
    </currentRow>
    <currentRow>
      <columnValue>2</columnValue>
      <columnValue>Promotoria de Justiça Comunitária                 </columnValue>
    </currentRow>
    <currentRow>
      <columnValue>3</columnValue>
      <columnValue>Promotoria de Justiça Militar                     </columnValue>
    </currentRow>
    <currentRow>
      <columnValue>4</columnValue>
      <columnValue>CAO                                               </columnValue>
    </currentRow>
    <currentRow>
      <columnValue>1</columnValue>
      <columnValue>Promotoria de Justiça                             </columnValue>
    </currentRow>
    <currentRow>
      <columnValue>4</columnValue>
      <columnValue>CAO                                               </columnValue>
    </currentRow>
    <currentRow>
      <columnValue>2</columnValue>
      <columnValue>Promotoria de Justiça Comunitária                 </columnValue>
    </currentRow>
    <currentRow>
      <columnValue>1</columnValue>
      <columnValue>Promotoria de Justiça                             </columnValue>
    </currentRow>
  </data>
</webRowSet>

Já executei o mesmo trecho em outra máquina e executou perfeitamente. Seria algo com meu eclipse? Algum item de configuração da IDE? algum jar??

Obrigado, guilherme maranhao

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