diff --git a/src/main/java/br/gov/ans/integracao/sei/rest/DocumentoResource.java b/src/main/java/br/gov/ans/integracao/sei/rest/DocumentoResource.java
index c57b8a1..81436e8 100644
--- a/src/main/java/br/gov/ans/integracao/sei/rest/DocumentoResource.java
+++ b/src/main/java/br/gov/ans/integracao/sei/rest/DocumentoResource.java
@@ -105,9 +105,7 @@ public class DocumentoResource {
 	
 	@Inject
 	private UserTransaction userTransaction;
-	
-	private static String NAO = "N";
-		
+			
 	/** 
 	 * @api {get} /:unidade/documentos/:documento Consultar documento
 	 * @apiName consultarDocumento
@@ -510,7 +508,7 @@ public class DocumentoResource {
 	@Produces(MediaType.APPLICATION_OCTET_STREAM)
 	public Response exportarDocumento(@PathParam("unidade") String unidade, @PathParam("documento") String documento) throws Exception{
 		RetornoConsultaDocumento retorno = seiNativeService.consultarDocumento(Constantes.SEI_BROKER, Operacao.CONSULTAR_DOCUMENTO, unidadeResource.consultarCodigo(unidade), documento, 
-				NAO, NAO, NAO, NAO);
+				Constantes.NAO, Constantes.NAO, Constantes.NAO, Constantes.NAO);
 				
 		String linkAcesso = retorno.getLinkAcesso();
 		
@@ -723,7 +721,7 @@ public class DocumentoResource {
 			
 			return encodeBase64(html);
 		}catch(JsonParseException ex){
-			logger.warn(conteudo);
+			logger.debug(conteudo);
 			throw new BusinessException(messages.getMessage("erro.processar.conteudo.json"));
 		}
 	}	
diff --git a/src/main/java/br/gov/ans/integracao/sei/rest/UnidadeResource.java b/src/main/java/br/gov/ans/integracao/sei/rest/UnidadeResource.java
index 708596f..872fa5d 100644
--- a/src/main/java/br/gov/ans/integracao/sei/rest/UnidadeResource.java
+++ b/src/main/java/br/gov/ans/integracao/sei/rest/UnidadeResource.java
@@ -67,7 +67,7 @@ public class UnidadeResource {
 	@Produces({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
 	public br.gov.ans.integracao.sei.client.Unidade[] listarUnidades() throws Exception{
 		Unidade[] lista = seiNativeService.listarUnidades(Constantes.SEI_BROKER, Operacao.LISTAR_UNIDADES, null, null);
-		
+				
 		carregarMapUnidades(lista);
 		
 		return lista;
diff --git a/src/main/java/br/gov/ans/integracao/sei/utils/Constantes.java b/src/main/java/br/gov/ans/integracao/sei/utils/Constantes.java
index 5437099..b6ef34a 100644
--- a/src/main/java/br/gov/ans/integracao/sei/utils/Constantes.java
+++ b/src/main/java/br/gov/ans/integracao/sei/utils/Constantes.java
@@ -10,13 +10,16 @@ public class Constantes {
 	public static final int AXIS_TIMEOUT = 1000 * (60 * AXIS_TIMEOUT_IN_MINUTES);
 	public static final String CODIGO_BRASIL = "76";
 	public static final String CODIGO_ORGAO_ANS = "0";
+	public static final String DATE_PATTERN = "dd/MM/yyyy";
 	public static final String DOCUMENTO_GERAL = "G";
 	public static final String DOCUMENTO_RECEBIDO = "R";
 	public static final String MASCARA_PROCESSO_17 = "#####.######/####-##";
 	public static final String MASCARA_PROCESSO_21 = "#######.########/####-##";
+	public static String NAO = "N";
 	public static final String JBOSS_HOME = System.getProperty("jboss.home.dir");
 	public static final String NOME_SISTEMA = "sei-broker";
 	public static final String REGEX_MASCARA_PROCESSO = "(\\d)(\\d)(\\d)(\\d)(\\d)(\\.)(\\d)(\\d)(\\d)(\\d)(\\d)(\\d)(\\/)(\\d)(\\d)(\\d)(\\d)(-)(\\d)(\\d)";
+	public static final String REGEX_SOMENTE_NUMEROS = "\\D+";
 	public static final String SEI_BROKER = "SEI-Broker";
 	public static final int TAMANHO_MAXIMO_ARQUIVO = 16777216;
 	public static final int TAMANHO_MAXIMO_DOCUMENTO = 22020096;
diff --git a/src/main/java/br/gov/ans/integracao/sei/utils/ContatoHelper.java b/src/main/java/br/gov/ans/integracao/sei/utils/ContatoHelper.java
index 5921760..802954c 100644
--- a/src/main/java/br/gov/ans/integracao/sei/utils/ContatoHelper.java
+++ b/src/main/java/br/gov/ans/integracao/sei/utils/ContatoHelper.java
@@ -3,12 +3,11 @@ package br.gov.ans.integracao.sei.utils;
 import static br.gov.ans.integracao.sei.utils.Util.getSOuN;
 
 import java.rmi.RemoteException;
-import java.text.DateFormat;
-import java.text.SimpleDateFormat;
 
 import javax.inject.Inject;
 
 import org.apache.commons.lang3.StringUtils;
+import org.apache.commons.lang3.time.FastDateFormat;
 
 import br.gov.ans.exceptions.BusinessException;
 import br.gov.ans.integracao.sei.client.Contato;
@@ -23,7 +22,7 @@ import br.gov.ans.integracao.sei.modelo.enums.TipoPessoa;
 
 public class ContatoHelper {
 	
-	private DateFormat formatter = new SimpleDateFormat("dd/MM/yyyy");
+	private static final FastDateFormat formatter = FastDateFormat.getInstance(Constantes.DATE_PATTERN);
 	
 	@Inject
 	private ContatoDAO contatoDAO;
diff --git a/src/main/java/br/gov/ans/integracao/sei/utils/PessoaHelper.java b/src/main/java/br/gov/ans/integracao/sei/utils/PessoaHelper.java
index fc373bf..a0198f9 100644
--- a/src/main/java/br/gov/ans/integracao/sei/utils/PessoaHelper.java
+++ b/src/main/java/br/gov/ans/integracao/sei/utils/PessoaHelper.java
@@ -1,9 +1,7 @@
 package br.gov.ans.integracao.sei.utils;
 
 import java.lang.reflect.Field;
-import java.text.DateFormat;
 import java.text.ParseException;
-import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -12,6 +10,7 @@ import javax.inject.Inject;
 import org.apache.commons.lang3.ArrayUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.apache.commons.lang3.reflect.FieldUtils;
+import org.apache.commons.lang3.time.FastDateFormat;
 import org.jboss.logging.Logger;
 
 import br.gov.ans.exceptions.BusinessException;
@@ -41,7 +40,7 @@ public class PessoaHelper {
 	@Inject
 	private MessageUtils messages;
 	
-	private DateFormat formatter = new SimpleDateFormat("dd/MM/yyyy");
+	private static final FastDateFormat formatter = FastDateFormat.getInstance(Constantes.DATE_PATTERN);
 	
 	public List<Pessoa> buildPessoa(Contato[] contatos) throws ParseException, BusinessException, IllegalAccessException, ResourceNotFoundException{
 		if(ArrayUtils.isNotEmpty(contatos)){
diff --git a/src/main/java/br/gov/ans/integracao/sei/utils/Util.java b/src/main/java/br/gov/ans/integracao/sei/utils/Util.java
index c401eec..cf1c9de 100644
--- a/src/main/java/br/gov/ans/integracao/sei/utils/Util.java
+++ b/src/main/java/br/gov/ans/integracao/sei/utils/Util.java
@@ -2,17 +2,16 @@ package br.gov.ans.integracao.sei.utils;
 
 import java.io.IOException;
 import java.text.ParseException;
-import java.text.SimpleDateFormat;
 import java.util.Date;
 import java.util.HashMap;
 import java.util.Map;
-import java.util.regex.Pattern;
 
 import javax.persistence.Query;
 import javax.swing.text.MaskFormatter;
 
 import org.apache.commons.codec.binary.Base64;
 import org.apache.commons.lang3.StringUtils;
+import org.apache.commons.lang3.time.FastDateFormat;
 import org.codehaus.jackson.JsonParseException;
 import org.codehaus.jackson.map.JsonMappingException;
 import org.codehaus.jackson.map.ObjectMapper;
@@ -21,7 +20,7 @@ import org.codehaus.jackson.type.TypeReference;
 import br.gov.ans.exceptions.BusinessException;
 
 public class Util {
-	private static final String REGEX_SOMENTE_NUMEROS = "\\D+";
+	private static final FastDateFormat dateFormater = FastDateFormat.getInstance(Constantes.DATE_PATTERN);
 				
 	public static String getSOuN(String valor){			
 		if("S".equals(valor) || "s".equals(valor)){
@@ -40,8 +39,6 @@ public class Util {
 	}
 	
 	public static String formatarData(Date data){
-		SimpleDateFormat dateFormater = new SimpleDateFormat("dd/MM/yyyy");
-		
 		if(data != null){
 			return dateFormater.format(data);			
 		}
@@ -167,6 +164,6 @@ public class Util {
 	}
 	
 	public static String getOnlyNumbers(String string) throws Exception{
-       return string.replaceAll(REGEX_SOMENTE_NUMEROS,"");
+       return string.replaceAll(Constantes.REGEX_SOMENTE_NUMEROS,"");
 	}
 }
--
libgit2 0.21.2