diff --git a/dist/Programa Caja.jar b/dist/Programa Caja.jar
index 81a0883..49e494c 100644
Binary files a/dist/Programa Caja.jar and b/dist/Programa Caja.jar differ
diff --git a/dist/config/logging.properties b/dist/config/logging.properties
index eb1acd4..16c5482 100644
--- a/dist/config/logging.properties
+++ b/dist/config/logging.properties
@@ -1,11 +1,10 @@
 #handlers= java.util.logging.ConsoleHandler
 handlers= java.util.logging.FileHandler
-
-java.util.logging.FileHandler.level = ALL
-java.util.logging.FileHandler.pattern = logs/logs-%u.log
-java.util.logging.FileHandler.formatter = java.util.logging.SimpleFormatter
+java.util.logging.FileHandler.level=FINER
+java.util.logging.FileHandler.pattern=logs/logs-%u-%g.log
+java.util.logging.FileHandler.formatter=java.util.logging.XMLFormatter
+java.util.logging.FileHandler.append=true
 
 #java.util.logging.ConsoleHandler.level = ALL
 #java.util.logging.ConsoleHandler.formatter=java.util.logging.SimpleFormatter
-
-danielcortes.level= ALL
\ No newline at end of file
+danielcortes.level=FINER
\ No newline at end of file
diff --git a/src/danielcortes/xyz/Main.java b/src/danielcortes/xyz/Main.java
index f84eca6..d3fb171 100644
--- a/src/danielcortes/xyz/Main.java
+++ b/src/danielcortes/xyz/Main.java
@@ -29,18 +29,21 @@ import danielcortes.xyz.data.Configuration;
 import danielcortes.xyz.views.ManagerView;
 
 import javax.swing.*;
-import java.util.Arrays;
-import java.util.Locale;
-import java.util.logging.*;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.util.logging.LogManager;
 
 public class Main {
+    static {
+        setUpLogger();
+        setUpSystemProperties();
+    }
+
     public static void main(String[] args) {
         run();
     }
 
     private static void run() {
-        setUpSystemProperties();
-
         ManagerView view = new ManagerView();
         ManagerController managerController = new ManagerController(view);
 
@@ -57,7 +60,6 @@ public class Main {
         frame.setVisible(true);
     }
 
-
     private static void setUpSystemProperties() {
         System.setProperty("awt.useSystemAAFontSettings", "on");
         System.setProperty("swing.aatext", "true");
@@ -68,7 +70,19 @@ public class Main {
             e.printStackTrace();
         }
 
-        Locale.setDefault(new Locale("es"));
+        //Locale.setDefault(new Locale("es"));
     }
-}
 
+    private static void setUpLogger() {
+        LogManager manager = LogManager.getLogManager();
+        try {
+            FileInputStream in = new FileInputStream("config/logging.properties");
+            manager.readConfiguration(in);
+            in.close();
+        } catch (IOException e) {
+            System.exit(1);
+        }
+
+
+    }
+}
\ No newline at end of file
diff --git a/src/danielcortes/xyz/data/SQLiteConnectionHolder.java b/src/danielcortes/xyz/data/SQLiteConnectionHolder.java
index b8a7c79..f542499 100644
--- a/src/danielcortes/xyz/data/SQLiteConnectionHolder.java
+++ b/src/danielcortes/xyz/data/SQLiteConnectionHolder.java
@@ -47,7 +47,7 @@ public class SQLiteConnectionHolder implements ConnectionHolder {
         try {
             Class.forName("org.sqlite.JDBC");
             con = DriverManager.getConnection(databaseURI);
-            LOGGER.log(Level.FINER, "Creada conexion a base de datos SQLITE");
+            LOGGER.log(Level.FINEST, "Creada conexion a base de datos SQLITE");
         } catch (ClassNotFoundException e) {
             LOGGER.log(Level.SEVERE, e.toString(), e);
             System.exit(133);
diff --git a/src/danielcortes/xyz/models/caja/CajaDAO.java b/src/danielcortes/xyz/models/caja/CajaDAO.java
index fcd86eb..ddc519b 100644
--- a/src/danielcortes/xyz/models/caja/CajaDAO.java
+++ b/src/danielcortes/xyz/models/caja/CajaDAO.java
@@ -24,7 +24,6 @@
 
 package danielcortes.xyz.models.caja;
 
-import danielcortes.xyz.data.Configuration;
 import danielcortes.xyz.data.ConnectionHolder;
 
 import java.sql.ResultSet;
@@ -36,7 +35,7 @@ import java.util.logging.Level;
 import java.util.logging.Logger;
 
 public abstract class CajaDAO {
-    private static final Logger LOGGER = Logger.getLogger(Configuration.class.getName());
+    private static final Logger LOGGER = Logger.getLogger(CajaDAO.class.getName());
 
     protected ConnectionHolder connectionHolder;
 
diff --git a/src/danielcortes/xyz/models/caja/SQLiteCajaDAO.java b/src/danielcortes/xyz/models/caja/SQLiteCajaDAO.java
index 0ce2f16..571eeaa 100644
--- a/src/danielcortes/xyz/models/caja/SQLiteCajaDAO.java
+++ b/src/danielcortes/xyz/models/caja/SQLiteCajaDAO.java
@@ -24,7 +24,6 @@
 
 package danielcortes.xyz.models.caja;
 
-import danielcortes.xyz.data.Configuration;
 import danielcortes.xyz.data.SQLiteConnectionHolder;
 import danielcortes.xyz.models.documentos.Documentos;
 import danielcortes.xyz.models.documentos.DocumentosDAO;
@@ -44,7 +43,7 @@ import java.util.logging.Level;
 import java.util.logging.Logger;
 
 public class SQLiteCajaDAO extends CajaDAO {
-    private static final Logger LOGGER = Logger.getLogger( Configuration.class.getName() );
+    private static final Logger LOGGER = Logger.getLogger(SQLiteCajaDAO.class.getName());
 
     public SQLiteCajaDAO() {
         this.connectionHolder = new SQLiteConnectionHolder();
@@ -127,8 +126,7 @@ public class SQLiteCajaDAO extends CajaDAO {
             ps.setString(1, caja.getFecha().toString());
             updates = ps.executeUpdate();
 
-
-            LOGGER.log(Level.FINE, "QUERY: {0} values: {1}", new Object[]{query, caja.getFecha().toString()});
+            LOGGER.log(Level.FINE, "QUERY: {0} | values: {1} | updates: {2}", new Object[]{query, caja.getFecha(), updates});
 
             ps.close();
 
@@ -161,7 +159,7 @@ public class SQLiteCajaDAO extends CajaDAO {
             ps.setInt(2, caja.getId());
             updates = ps.executeUpdate();
 
-            LOGGER.log(Level.FINE, "QUERY: {0} | values: [{1},{2}]", new Object[]{query, caja.getFecha().toString(), caja.getId()});
+            LOGGER.log(Level.FINE, "QUERY: {0} | values: [{1},{2} | updates: {3}]", new Object[]{query, caja.getFecha(), caja.getId(), updates});
 
 
             ps.close();
@@ -178,7 +176,7 @@ public class SQLiteCajaDAO extends CajaDAO {
         LocalDate endDate = date.withDayOfMonth(date.lengthOfMonth()).plusDays(1);
         int count = 0;
 
-        LOGGER.log(Level.FINE, "Se intentara crear las cajas para un mes para las fechas entre {0} y {1}", new Object[]{date, endDate});
+        LOGGER.log(Level.FINE, "Se intentara crear las cajas no existentes para las fechas entre {0} y {1}", new Object[]{date, endDate});
 
         while (date.isBefore(endDate)) {
             if (this.findByFecha(date) != null) {
diff --git a/src/danielcortes/xyz/models/calculo_fondo/CalculoFondoDAO.java b/src/danielcortes/xyz/models/calculo_fondo/CalculoFondoDAO.java
index 89291ba..654692f 100644
--- a/src/danielcortes/xyz/models/calculo_fondo/CalculoFondoDAO.java
+++ b/src/danielcortes/xyz/models/calculo_fondo/CalculoFondoDAO.java
@@ -24,7 +24,6 @@
 
 package danielcortes.xyz.models.calculo_fondo;
 
-import danielcortes.xyz.data.Configuration;
 import danielcortes.xyz.data.ConnectionHolder;
 import danielcortes.xyz.models.caja.Caja;
 import danielcortes.xyz.models.caja.SQLiteCajaDAO;
@@ -37,7 +36,7 @@ import java.util.logging.Level;
 import java.util.logging.Logger;
 
 public abstract class CalculoFondoDAO {
-    private static final Logger LOGGER = Logger.getLogger(Configuration.class.getName());
+    private static final Logger LOGGER = Logger.getLogger(CalculoFondoDAO.class.getName());
 
     protected ConnectionHolder connectionHolder;
 
diff --git a/src/danielcortes/xyz/models/calculo_fondo/SQLiteCalculoFondoDAO.java b/src/danielcortes/xyz/models/calculo_fondo/SQLiteCalculoFondoDAO.java
index fd4c5ed..4545a3f 100644
--- a/src/danielcortes/xyz/models/calculo_fondo/SQLiteCalculoFondoDAO.java
+++ b/src/danielcortes/xyz/models/calculo_fondo/SQLiteCalculoFondoDAO.java
@@ -24,7 +24,6 @@
 
 package danielcortes.xyz.models.calculo_fondo;
 
-import danielcortes.xyz.data.Configuration;
 import danielcortes.xyz.data.SQLiteConnectionHolder;
 import danielcortes.xyz.models.caja.Caja;
 
@@ -38,7 +37,7 @@ import java.util.logging.Level;
 import java.util.logging.Logger;
 
 public class SQLiteCalculoFondoDAO extends CalculoFondoDAO {
-    private static final Logger LOGGER = Logger.getLogger(Configuration.class.getName());
+    private static final Logger LOGGER = Logger.getLogger(SQLiteCalculoFondoDAO.class.getName());
 
     public SQLiteCalculoFondoDAO() {
         this.connectionHolder = new SQLiteConnectionHolder();
@@ -73,7 +72,7 @@ public class SQLiteCalculoFondoDAO extends CalculoFondoDAO {
             ps.setInt(1, caja.getId());
             ResultSet rs = ps.executeQuery();
 
-            LOGGER.log(Level.FINE, "QUERY: {0}  | values: [{1}]", new Object[]{query, caja.getId()});
+            LOGGER.log(Level.FINE, "QUERY: {0}  | values: {1}", new Object[]{query, caja.getId()});
 
             calculoFondoList = this.cajasFromResultSet(rs);
 
@@ -94,7 +93,7 @@ public class SQLiteCalculoFondoDAO extends CalculoFondoDAO {
             ps.setInt(1, id);
             ResultSet rs = ps.executeQuery();
 
-            LOGGER.log(Level.FINE, "QUERY: {0} | values: [{1}]", new Object[]{query, id});
+            LOGGER.log(Level.FINE, "QUERY: {0} | values: {1}", new Object[]{query, id});
 
             calculoFondo = this.cajasFromResultSet(rs).get(0);
 
@@ -117,7 +116,7 @@ public class SQLiteCalculoFondoDAO extends CalculoFondoDAO {
             ps.setInt(3, calculoFondo.getCaja().getId());
 
             updates = ps.executeUpdate();
-            LOGGER.log(Level.FINE, "QUERY {0} | values: [{1},{2},{3}] | updates: {4}", new Object[]{query, calculoFondo.getValor(), calculoFondo.getDescripcion(), calculoFondo.getCaja().getId(), updates});
+            LOGGER.log(Level.FINE, "QUERY {0} | values: [{1}, {2}, {3}] | updates: {4}", new Object[]{query, calculoFondo.getValor(), calculoFondo.getDescripcion(), calculoFondo.getCaja().getId(), updates});
 
             ps.close();
 
@@ -149,7 +148,7 @@ public class SQLiteCalculoFondoDAO extends CalculoFondoDAO {
             ps.setInt(4, calculoFondo.getId());
 
             updates = ps.executeUpdate();
-            LOGGER.log(Level.FINE, "QUERY {0} | values: [{1},{2},{3},{4}] | updates: {5}", new Object[]{query, calculoFondo.getValor(), calculoFondo.getDescripcion(), calculoFondo.getCaja().getId(), updates});
+            LOGGER.log(Level.FINE, "QUERY {0} | values: [{1}, {2}, {3}, {4}] | updates: {5}", new Object[]{query, calculoFondo.getValor(), calculoFondo.getDescripcion(), calculoFondo.getCaja().getId(), updates});
 
 
             ps.close();
diff --git a/src/danielcortes/xyz/models/documentos/DocumentosDAO.java b/src/danielcortes/xyz/models/documentos/DocumentosDAO.java
index bcbafb7..fecd2c1 100644
--- a/src/danielcortes/xyz/models/documentos/DocumentosDAO.java
+++ b/src/danielcortes/xyz/models/documentos/DocumentosDAO.java
@@ -24,7 +24,6 @@
 
 package danielcortes.xyz.models.documentos;
 
-import danielcortes.xyz.data.Configuration;
 import danielcortes.xyz.data.ConnectionHolder;
 import danielcortes.xyz.models.caja.Caja;
 import danielcortes.xyz.models.caja.CajaDAO;
@@ -38,7 +37,7 @@ import java.util.logging.Level;
 import java.util.logging.Logger;
 
 public abstract class DocumentosDAO {
-    private static final Logger LOGGER = Logger.getLogger(Configuration.class.getName());
+    private static final Logger LOGGER = Logger.getLogger(DocumentosDAO.class.getName());
 
     protected ConnectionHolder connectionHolder;
 
diff --git a/src/danielcortes/xyz/models/documentos/SQLiteDocumentosDAO.java b/src/danielcortes/xyz/models/documentos/SQLiteDocumentosDAO.java
index d3f1a61..f0908bc 100644
--- a/src/danielcortes/xyz/models/documentos/SQLiteDocumentosDAO.java
+++ b/src/danielcortes/xyz/models/documentos/SQLiteDocumentosDAO.java
@@ -24,7 +24,6 @@
 
 package danielcortes.xyz.models.documentos;
 
-import danielcortes.xyz.data.Configuration;
 import danielcortes.xyz.data.SQLiteConnectionHolder;
 import danielcortes.xyz.models.caja.Caja;
 
@@ -38,7 +37,7 @@ import java.util.logging.Level;
 import java.util.logging.Logger;
 
 public class SQLiteDocumentosDAO extends DocumentosDAO {
-    private static final Logger LOGGER = Logger.getLogger(Configuration.class.getName());
+    private static final Logger LOGGER = Logger.getLogger(SQLiteDocumentosDAO.class.getName());
 
     public SQLiteDocumentosDAO() {
         this.connectionHolder = new SQLiteConnectionHolder();
@@ -124,7 +123,7 @@ public class SQLiteDocumentosDAO extends DocumentosDAO {
             ps.setInt(4, documentos.getCaja().getId());
             updates = ps.executeUpdate();
 
-            LOGGER.log(Level.FINE, "QUERY: {0} | values: [{1}, {2}, {3}, {4}]", new Object[]{query, documentos.getCheques(), documentos.getTarjetas(), documentos.getRetiros(), documentos.getCaja().getId()});
+            LOGGER.log(Level.FINE, "QUERY: {0} | values: [{1}, {2}, {3}, {4}] | updates: {5}", new Object[]{query, documentos.getCheques(), documentos.getTarjetas(), documentos.getRetiros(), documentos.getCaja().getId(), updates});
 
             ps.close();
 
@@ -155,7 +154,7 @@ public class SQLiteDocumentosDAO extends DocumentosDAO {
             ps.setInt(1, documentos.getCaja().getId());
             updates = ps.executeUpdate();
 
-            LOGGER.log(Level.FINE, "QUERY: {0} | values: {1}", new Object[]{query, documentos.getCaja().getId()});
+            LOGGER.log(Level.FINE, "QUERY: {0} | values: {1} | updates: {2}", new Object[]{query, documentos.getCaja().getId(), updates});
 
             ps.close();
 
@@ -189,7 +188,7 @@ public class SQLiteDocumentosDAO extends DocumentosDAO {
             ps.setInt(5, documentos.getId());
             updates = ps.executeUpdate();
 
-            LOGGER.log(Level.FINE, "QUERY: {0} | values: [{1}, {2}, {3}, {4}]", new Object[]{query, documentos.getCheques(), documentos.getTarjetas(), documentos.getRetiros(), documentos.getCaja().getId(), documentos.getId()});
+            LOGGER.log(Level.FINE, "QUERY: {0} | values: [{1}, {2}, {3}, {4}] | updates: {5}", new Object[]{query, documentos.getCheques(), documentos.getTarjetas(), documentos.getRetiros(), documentos.getCaja().getId(), documentos.getId(), updates});
 
             ps.close();
         } catch (SQLException e) {
@@ -208,7 +207,7 @@ public class SQLiteDocumentosDAO extends DocumentosDAO {
             ps.setInt(1, documentos.getId());
             updates = ps.executeUpdate();
 
-            LOGGER.log(Level.FINE, "QUERY: {0} | values: {1}", new Object[]{query, documentos.getCaja().getId()});
+            LOGGER.log(Level.FINE, "QUERY: {0} | values: {1} | updates: {2}", new Object[]{query, documentos.getCaja().getId(), updates});
 
             ps.close();
         } catch (SQLException e) {
diff --git a/src/danielcortes/xyz/models/efectivo/EfectivoDAO.java b/src/danielcortes/xyz/models/efectivo/EfectivoDAO.java
index 0212925..70bfbfb 100644
--- a/src/danielcortes/xyz/models/efectivo/EfectivoDAO.java
+++ b/src/danielcortes/xyz/models/efectivo/EfectivoDAO.java
@@ -24,7 +24,6 @@
 
 package danielcortes.xyz.models.efectivo;
 
-import danielcortes.xyz.data.Configuration;
 import danielcortes.xyz.data.ConnectionHolder;
 import danielcortes.xyz.models.caja.Caja;
 import danielcortes.xyz.models.caja.CajaDAO;
@@ -38,7 +37,7 @@ import java.util.logging.Level;
 import java.util.logging.Logger;
 
 public abstract class EfectivoDAO {
-    private static final Logger LOGGER = Logger.getLogger(Configuration.class.getName());
+    private static final Logger LOGGER = Logger.getLogger(EfectivoDAO.class.getName());
 
     protected ConnectionHolder connectionHolder;
 
diff --git a/src/danielcortes/xyz/models/efectivo/SQLiteEfectivoDAO.java b/src/danielcortes/xyz/models/efectivo/SQLiteEfectivoDAO.java
index 41a345d..323f948 100644
--- a/src/danielcortes/xyz/models/efectivo/SQLiteEfectivoDAO.java
+++ b/src/danielcortes/xyz/models/efectivo/SQLiteEfectivoDAO.java
@@ -24,7 +24,6 @@
 
 package danielcortes.xyz.models.efectivo;
 
-import danielcortes.xyz.data.Configuration;
 import danielcortes.xyz.data.SQLiteConnectionHolder;
 import danielcortes.xyz.models.caja.Caja;
 
@@ -38,7 +37,7 @@ import java.util.logging.Level;
 import java.util.logging.Logger;
 
 public class SQLiteEfectivoDAO extends EfectivoDAO {
-    private static final Logger LOGGER = Logger.getLogger(Configuration.class.getName());
+    private static final Logger LOGGER = Logger.getLogger(SQLiteEfectivoDAO.class.getName());
 
     public SQLiteEfectivoDAO() {
         this.connectionHolder = new SQLiteConnectionHolder();
diff --git a/src/danielcortes/xyz/models/egreso/EgresoDAO.java b/src/danielcortes/xyz/models/egreso/EgresoDAO.java
index 7843efc..a1c2040 100644
--- a/src/danielcortes/xyz/models/egreso/EgresoDAO.java
+++ b/src/danielcortes/xyz/models/egreso/EgresoDAO.java
@@ -36,8 +36,12 @@ import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 public abstract class EgresoDAO {
+    private static final Logger LOGGER = Logger.getLogger(EgresoDAO.class.getName());
+
     protected ConnectionHolder connectionHolder;
 
     public abstract List<Egreso> findAll();
@@ -78,6 +82,8 @@ public abstract class EgresoDAO {
             egreso.setTipoEgreso(tipoEgreso);
             egreso.setCaja(caja);
 
+            LOGGER.log(Level.FINER, "Se a creado: {0}", egreso);
+
             egresoList.add(egreso);
         }
         return egresoList;
diff --git a/src/danielcortes/xyz/models/egreso/SQLiteEgresoDAO.java b/src/danielcortes/xyz/models/egreso/SQLiteEgresoDAO.java
index 7c321cb..c58a815 100644
--- a/src/danielcortes/xyz/models/egreso/SQLiteEgresoDAO.java
+++ b/src/danielcortes/xyz/models/egreso/SQLiteEgresoDAO.java
@@ -34,8 +34,12 @@ import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 public class SQLiteEgresoDAO extends EgresoDAO {
+    private static final Logger LOGGER = Logger.getLogger(SQLiteEgresoDAO.class.getName());
+
     public SQLiteEgresoDAO() {
         this.connectionHolder = new SQLiteConnectionHolder();
     }
@@ -44,16 +48,18 @@ public class SQLiteEgresoDAO extends EgresoDAO {
     public List<Egreso> findAll() {
         List<Egreso> egresoList = new ArrayList<>();
         try (Connection conn = connectionHolder.getConnection()) {
-            PreparedStatement ps = conn.prepareStatement("select * from egresos");
+            String query = "select * from egresos";
+            PreparedStatement ps = conn.prepareStatement(query);
             ResultSet rs = ps.executeQuery();
 
+            LOGGER.log(Level.FINE, "QUERY: {0}", query);
+
             egresoList = this.egresosFromResultSet(rs);
 
             rs.close();
             ps.close();
-            conn.close();
         } catch (SQLException e) {
-            e.printStackTrace();
+            LOGGER.log(Level.SEVERE, e.toString(), e);
         }
         return egresoList;
     }
@@ -62,17 +68,19 @@ public class SQLiteEgresoDAO extends EgresoDAO {
     public List<Egreso> findById(int id) {
         List<Egreso> egresoList = new ArrayList<>();
         try (Connection conn = connectionHolder.getConnection()) {
-            PreparedStatement ps = conn.prepareStatement("select * from egresos where id = ?");
+            String query = "select * from egresos where id = ?";
+            PreparedStatement ps = conn.prepareStatement(query);
             ps.setInt(1, id);
             ResultSet rs = ps.executeQuery();
 
+            LOGGER.log(Level.FINE, "QUERY: {0} | values: {1}", new Object[]{query, id});
+
             egresoList = this.egresosFromResultSet(rs);
 
             rs.close();
             ps.close();
-            conn.close();
         } catch (SQLException e) {
-            e.printStackTrace();
+            LOGGER.log(Level.SEVERE, e.toString(), e);
         }
         return egresoList;
     }
@@ -81,17 +89,19 @@ public class SQLiteEgresoDAO extends EgresoDAO {
     public List<Egreso> findByCaja(Caja caja) {
         List<Egreso> egresoList = new ArrayList<>();
         try (Connection conn = connectionHolder.getConnection()) {
-            PreparedStatement ps = conn.prepareStatement("select * from egresos where caja_id = ?");
+            String query = "select * from egresos where caja_id = ?";
+            PreparedStatement ps = conn.prepareStatement(query);
             ps.setInt(1, caja.getId());
             ResultSet rs = ps.executeQuery();
 
+            LOGGER.log(Level.FINE, "QUERY: {0} | values: {1}", new Object[]{query, caja.getId()});
+
             egresoList = this.egresosFromResultSet(rs);
 
             rs.close();
             ps.close();
-            conn.close();
         } catch (SQLException e) {
-            e.printStackTrace();
+            LOGGER.log(Level.SEVERE, e.toString(), e);
         }
         return egresoList;
     }
@@ -100,17 +110,19 @@ public class SQLiteEgresoDAO extends EgresoDAO {
     public List<Egreso> findByNro(String nro) {
         List<Egreso> egresoList = new ArrayList<>();
         try (Connection conn = connectionHolder.getConnection()) {
-            PreparedStatement ps = conn.prepareStatement("select * from egresos where nro = ?");
+            String query = "select * from egresos where nro = ?";
+            PreparedStatement ps = conn.prepareStatement(query);
             ps.setString(1, nro);
             ResultSet rs = ps.executeQuery();
 
+            LOGGER.log(Level.FINE, "QUERY: {0} | values {1}", new Object[]{query, nro});
+
             egresoList = this.egresosFromResultSet(rs);
 
             rs.close();
             ps.close();
-            conn.close();
         } catch (SQLException e) {
-            e.printStackTrace();
+            LOGGER.log(Level.SEVERE, e.toString(), e);
         }
         return egresoList;
     }
@@ -119,17 +131,19 @@ public class SQLiteEgresoDAO extends EgresoDAO {
     public List<Egreso> findByTipoEgreso(TipoEgreso tipoEgreso) {
         List<Egreso> egresoList = new ArrayList<>();
         try (Connection conn = connectionHolder.getConnection()) {
-            PreparedStatement ps = conn.prepareStatement("select * from egresos where tipo_egreso_id = ?");
+            String query = "select * from egresos where tipo_egreso_id = ?";
+            PreparedStatement ps = conn.prepareStatement(query);
             ps.setInt(1, tipoEgreso.getId());
             ResultSet rs = ps.executeQuery();
 
+            LOGGER.log(Level.FINE, "QUERY: {0} | values: {1}", new Object[]{query, tipoEgreso.getId()});
+
             egresoList = this.egresosFromResultSet(rs);
 
             rs.close();
             ps.close();
-            conn.close();
         } catch (SQLException e) {
-            e.printStackTrace();
+            LOGGER.log(Level.SEVERE, e.toString(), e);
         }
         return egresoList;
     }
@@ -138,14 +152,17 @@ public class SQLiteEgresoDAO extends EgresoDAO {
     public boolean insertEgreso(Egreso egreso) {
         int updates;
         try (Connection conn = connectionHolder.getConnection()) {
-            PreparedStatement ps = conn.prepareStatement("insert into egresos (nro, descripcion, valor, tipo_egreso_id, caja_id) values (?,?,?,?,?)");
+            String query = "insert into egresos (nro, descripcion, valor, tipo_egreso_id, caja_id) values (?,?,?,?,?)";
+            PreparedStatement ps = conn.prepareStatement(query);
             ps.setString(1, egreso.getNro());
             ps.setString(2, egreso.getDescripcion());
             ps.setInt(3, egreso.getValor());
             ps.setInt(4, egreso.getTipoEgreso().getId());
             ps.setInt(5, egreso.getCaja().getId());
-
             updates = ps.executeUpdate();
+
+            LOGGER.log(Level.FINE, "QUERY: {0} | values: [{1}, {2}, {3}, {4}, {5}] | updates: {6}", new Object[]{query, egreso.getNro(), egreso.getDescripcion(), egreso.getValor(), egreso.getTipoEgreso().getId(), egreso.getCaja().getId(), updates});
+
             ps.close();
 
             ps = conn.prepareStatement("select last_insert_rowid()");
@@ -154,9 +171,8 @@ public class SQLiteEgresoDAO extends EgresoDAO {
             egreso.setId(rs.getInt(1));
 
             rs.close();
-            conn.close();
         } catch (SQLException e) {
-            e.printStackTrace();
+            LOGGER.log(Level.SEVERE, e.toString(), e);
             return false;
         }
         return updates > 0;
@@ -166,20 +182,22 @@ public class SQLiteEgresoDAO extends EgresoDAO {
     public boolean updateEgreso(Egreso egreso) {
         int updates;
         try (Connection conn = connectionHolder.getConnection()) {
-            PreparedStatement ps = conn.prepareStatement("update egresos set nro = ?, descripcion = ?, valor = ?, tipo_egreso_id = ?, caja_id = ? where id = ? ");
+            String query = "update egresos set nro = ?, descripcion = ?, valor = ?, tipo_egreso_id = ?, caja_id = ? where id = ? ";
+            PreparedStatement ps = conn.prepareStatement(query);
             ps.setString(1, egreso.getNro());
             ps.setString(2, egreso.getDescripcion());
             ps.setInt(3, egreso.getValor());
             ps.setInt(4, egreso.getTipoEgreso().getId());
             ps.setInt(5, egreso.getCaja().getId());
             ps.setInt(6, egreso.getId());
-
             updates = ps.executeUpdate();
 
+            LOGGER.log(Level.FINE, "QUERY: {0} | values: [{1}, {2}, {3}, {4}, {5}, {6}] | updates: {7}", new Object[]{query, egreso.getNro(), egreso.getDescripcion(), egreso.getValor(), egreso.getTipoEgreso().getId(), egreso.getCaja().getId(), egreso.getId(), updates});
+
+
             ps.close();
-            conn.close();
         } catch (SQLException e) {
-            e.printStackTrace();
+            LOGGER.log(Level.SEVERE, e.toString(), e);
             return false;
         }
         return updates > 0;
@@ -189,15 +207,16 @@ public class SQLiteEgresoDAO extends EgresoDAO {
     public boolean deleteEgreso(Egreso egreso) {
         int updates;
         try (Connection conn = connectionHolder.getConnection()) {
-            PreparedStatement ps = conn.prepareStatement("delete from egresos where id = ? ");
+            String query = "delete from egresos where id = ? ";
+            PreparedStatement ps = conn.prepareStatement(query);
             ps.setInt(1, egreso.getId());
-
             updates = ps.executeUpdate();
 
+            LOGGER.log(Level.FINE, "QUERY: {0} | values: {1} | updates: {2}", new Object[]{query, egreso.getId(), updates});
+
             ps.close();
-            conn.close();
         } catch (SQLException e) {
-            e.printStackTrace();
+            LOGGER.log(Level.SEVERE, e.toString(), e);
             return false;
         }
         return updates > 0;
@@ -207,18 +226,20 @@ public class SQLiteEgresoDAO extends EgresoDAO {
     public int getTotalEgreso(Caja caja) {
         int total = 0;
         try (Connection conn = connectionHolder.getConnection()) {
-            PreparedStatement ps = conn.prepareStatement("select sum(valor) from egresos where caja_id = ?");
+            String query = "select sum(valor) from egresos where caja_id = ?";
+            PreparedStatement ps = conn.prepareStatement(query);
             ps.setInt(1, caja.getId());
             ResultSet rs = ps.executeQuery();
 
+            LOGGER.log(Level.FINE, "QUERY: {0} | values: {1}", new Object[]{query, caja.getId()});
+
             rs.next();
             total = rs.getInt(1);
 
             rs.close();
             ps.close();
-            conn.close();
         } catch (SQLException e) {
-            e.printStackTrace();
+            LOGGER.log(Level.SEVERE, e.toString(), e);
         }
         return total;
     }
diff --git a/src/danielcortes/xyz/models/informes/egresos/SQLiteInformeEgresosContentDAO.java b/src/danielcortes/xyz/models/informes/egresos/SQLiteInformeEgresosContentDAO.java
index b252141..941be5f 100644
--- a/src/danielcortes/xyz/models/informes/egresos/SQLiteInformeEgresosContentDAO.java
+++ b/src/danielcortes/xyz/models/informes/egresos/SQLiteInformeEgresosContentDAO.java
@@ -33,8 +33,12 @@ import java.sql.SQLException;
 import java.time.LocalDate;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 public class SQLiteInformeEgresosContentDAO extends InformeEgresosContentDAO {
+    private static final Logger LOGGER = Logger.getLogger(InformeEgresosContentDAO.class.getName());
+
     private List<InformeEgresosContent> list;
 
     public SQLiteInformeEgresosContentDAO() {
@@ -46,22 +50,25 @@ public class SQLiteInformeEgresosContentDAO extends InformeEgresosContentDAO {
         list = new ArrayList<>();
         try (Connection conn = connectionHolder.getConnection()) {
 
-            String query = "select caja.fecha as \"fecha\",\n" +
-                    "egresos.nro as \"nro\",\n" +
-                    "egresos.descripcion as \"descripcion\",\n" +
-                    "egresos.valor as \"valor\"\n" +
-                    "from egresos inner join caja on egresos.caja_id = caja.id\n" +
-                    "where caja.fecha between date(?) and date(?) and egresos.tipo_egreso_id = ? \n" +
-                    "order by caja.fecha\n";
+            String query = "select caja.fecha as \"fecha\"," +
+                    "egresos.nro as \"nro\"," +
+                    "egresos.descripcion as \"descripcion\"," +
+                    "egresos.valor as \"valor\"" +
+                    "from egresos inner join caja on egresos.caja_id = caja.id " +
+                    "where caja.fecha between date(?) and date(?) and egresos.tipo_egreso_id = ? " +
+                    "order by caja.fecha;";
 
             PreparedStatement ps = conn.prepareStatement(query);
             ps.setString(1, date.withDayOfMonth(1).toString());
             ps.setString(2, date.withDayOfMonth(date.lengthOfMonth()).toString());
             ps.setInt(3, tipoEgresoId);
             ResultSet rs = ps.executeQuery();
+
+            LOGGER.log(Level.FINE, "QUERY: {0} | values: [{1},{2},{3}]", new Object[]{date.withDayOfMonth(1), date.withDayOfMonth(date.lengthOfMonth()), tipoEgresoId});
+
             this.fillInforme(rs);
         } catch (SQLException e) {
-            e.printStackTrace();
+            LOGGER.log(Level.SEVERE, e.toString(), e);
         }
         return list;
     }
@@ -73,6 +80,7 @@ public class SQLiteInformeEgresosContentDAO extends InformeEgresosContentDAO {
             content.setDescripcion(rs.getString("descripcion"));
             content.setNro(rs.getString("nro"));
             content.setValor(rs.getInt("valor"));
+            LOGGER.log(Level.FINER, "Se a creado: {0}", content);
             list.add(content);
         }
     }
diff --git a/src/danielcortes/xyz/models/informes/libro_de_ventas/SQLiteInformeLibroDeVentasContentDAO.java b/src/danielcortes/xyz/models/informes/libro_de_ventas/SQLiteInformeLibroDeVentasContentDAO.java
index 5620419..86d40fe 100644
--- a/src/danielcortes/xyz/models/informes/libro_de_ventas/SQLiteInformeLibroDeVentasContentDAO.java
+++ b/src/danielcortes/xyz/models/informes/libro_de_ventas/SQLiteInformeLibroDeVentasContentDAO.java
@@ -59,8 +59,12 @@ import java.time.LocalDate;
 import java.util.Collection;
 import java.util.Comparator;
 import java.util.HashMap;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 public class SQLiteInformeLibroDeVentasContentDAO extends InformeLibroDeVentasContentDAO {
+    private static final Logger LOGGER = Logger.getLogger(SQLiteInformeLibroDeVentasContentDAO.class.getName());
+
     private HashMap<Integer, InformeLibroDeVentasContent> map;
 
     public SQLiteInformeLibroDeVentasContentDAO() {
@@ -73,47 +77,52 @@ public class SQLiteInformeLibroDeVentasContentDAO extends InformeLibroDeVentasCo
         try (Connection conn = connectionHolder.getConnection()) {
             String queryTotales =
                     "select " +
-                            "caja.id as \"caja\",\n" +
-                            "strftime(\"%w\", caja.fecha) as \"dia\",\n" +
-                            "caja.fecha as \"fecha\",\n" +
-                            "sum(case when ingresos.tipo_ingreso_id = 2 then ingresos.valor else 0 end) as \"manuales\",\n" +
-                            "sum(case when ingresos.tipo_ingreso_id = 1 then ingresos.valor else 0 end) as \"fiscales\",\n" +
-                            "sum(case when ingresos.tipo_ingreso_id = 5 then ingresos.valor else 0 end) as \"exentas\",\n" +
-                            "sum(case when ingresos.tipo_ingreso_id in (2, 1, 5) then ingresos.valor else 0 end) as \"sub_total\",\n" +
-                            "sum(case when ingresos.tipo_ingreso_id = 3 then ingresos.valor else 0 end) as \"facturas\",\n" +
-                            "sum(case when ingresos.tipo_ingreso_id = 4 then ingresos.valor else 0 end) as \"guias\",\n" +
-                            "sum(case when ingresos.valor not null then ingresos.valor else 0 end) as \"total\"\n" +
-                            "from caja left join ingresos on (caja.id = ingresos.caja_id)\n" +
-                            "where caja.fecha between date(?) and date(?)\n" +
-                            "group by caja.fecha\n";
-            String queryNumeros =
-                    "select\n" +
-                            "caja.id as \"caja\",\n" +
-                            "caja.fecha as \"fecha\",\n" +
-                            "ingresos.nro_inicial as \"inicial\",\n" +
-                            "ingresos.nro_final as \"final\",\n" +
-                            "ingresos.nro_z_inicial as \"z_inicial\",\n" +
-                            "ingresos.nro_z_final as \"z_final\",\n" +
-                            "ingresos.tipo_ingreso_id as \"tipo_ingreso\"\n" +
-                            "from caja join ingresos on (caja.id = ingresos.caja_id)\n" +
-                            "where caja.fecha between date(?) and date(?)\n";
-
+                            "caja.id as \"caja\"," +
+                            "strftime(\"%w\", caja.fecha) as \"dia\"," +
+                            "caja.fecha as \"fecha\"," +
+                            "sum(case when ingresos.tipo_ingreso_id = 2 then ingresos.valor else 0 end) as \"manuales\"," +
+                            "sum(case when ingresos.tipo_ingreso_id = 1 then ingresos.valor else 0 end) as \"fiscales\"," +
+                            "sum(case when ingresos.tipo_ingreso_id = 5 then ingresos.valor else 0 end) as \"exentas\"," +
+                            "sum(case when ingresos.tipo_ingreso_id in (2, 1, 5) then ingresos.valor else 0 end) as \"sub_total\"," +
+                            "sum(case when ingresos.tipo_ingreso_id = 3 then ingresos.valor else 0 end) as \"facturas\"," +
+                            "sum(case when ingresos.tipo_ingreso_id = 4 then ingresos.valor else 0 end) as \"guias\"," +
+                            "sum(case when ingresos.valor not null then ingresos.valor else 0 end) as \"total\" " +
+                            "from caja left join ingresos on (caja.id = ingresos.caja_id) " +
+                            "where caja.fecha between date(?) and date(?) " +
+                            "group by caja.fecha;";
             PreparedStatement ps = conn.prepareStatement(queryTotales);
             ps.setString(1, date.withDayOfMonth(1).toString());
             ps.setString(2, date.withDayOfMonth(date.lengthOfMonth()).toString());
             ResultSet rs = ps.executeQuery();
+
+            LOGGER.log(Level.FINE, "QUERY: {0} | values: [{1},{2}]", new Object[]{queryTotales, date.withDayOfMonth(1), date.withDayOfMonth(date.lengthOfMonth())});
+
             this.fillTotalesFromResultSet(rs);
 
+            String queryNumeros =
+                    "select\n" +
+                            "caja.id as \"caja\"," +
+                            "caja.fecha as \"fecha\"," +
+                            "ingresos.nro_inicial as \"inicial\"," +
+                            "ingresos.nro_final as \"final\"," +
+                            "ingresos.nro_z_inicial as \"z_inicial\"," +
+                            "ingresos.nro_z_final as \"z_final\"," +
+                            "ingresos.tipo_ingreso_id as \"tipo_ingreso\" " +
+                            "from caja join ingresos on (caja.id = ingresos.caja_id) " +
+                            "where caja.fecha between date(?) and date(?);";
             ps = conn.prepareStatement(queryNumeros);
             ps.setString(1, date.withDayOfMonth(1).toString());
             ps.setString(2, date.withDayOfMonth(date.lengthOfMonth()).toString());
             rs = ps.executeQuery();
+
+            LOGGER.log(Level.FINE, "QUERY: {0} | values: [{1},{2}]", new Object[]{queryNumeros, date.withDayOfMonth(1), date.withDayOfMonth(date.lengthOfMonth())});
+
             this.fillBoletasFromResultSet(rs);
 
             rs.close();
             ps.close();
         } catch (SQLException e) {
-            e.printStackTrace();
+            LOGGER.log(Level.SEVERE, e.toString(), e);
         }
 
         return map.values();
@@ -131,6 +140,7 @@ public class SQLiteInformeLibroDeVentasContentDAO extends InformeLibroDeVentasCo
             informe.setFacturas(rs.getInt("facturas"));
             informe.setGuias(rs.getInt("guias"));
             informe.setTotal(rs.getInt("total"));
+            LOGGER.log(Level.FINER, "Se a creado una linea del informe con los totales {0}", informe);
             map.put(rs.getInt("caja"), informe);
         }
     }
@@ -260,6 +270,7 @@ public class SQLiteInformeLibroDeVentasContentDAO extends InformeLibroDeVentasCo
                     }
                     break;
             }
+            LOGGER.log(Level.FINER, "Se termino de llenar la linea del informe resultando en: {0}", informe);
         }
     }
 }
diff --git a/src/danielcortes/xyz/models/ingreso/IngresoDAO.java b/src/danielcortes/xyz/models/ingreso/IngresoDAO.java
index 939652f..9766955 100644
--- a/src/danielcortes/xyz/models/ingreso/IngresoDAO.java
+++ b/src/danielcortes/xyz/models/ingreso/IngresoDAO.java
@@ -37,8 +37,12 @@ import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 public abstract class IngresoDAO {
+    private static final Logger LOGGER = Logger.getLogger(IngresoDAO.class.getName());
+
     protected ConnectionHolder connectionHolder;
 
     public abstract List<Ingreso> findAll();
@@ -79,6 +83,8 @@ public abstract class IngresoDAO {
             ingreso.setTipoIngreso(tipoIngreso);
             ingreso.setCaja(caja);
 
+            LOGGER.log(Level.FINER, "Se a creado: {0}", ingreso);
+
             ingresosList.add(ingreso);
         }
         return ingresosList;
diff --git a/src/danielcortes/xyz/models/ingreso/SQLiteIngresoDAO.java b/src/danielcortes/xyz/models/ingreso/SQLiteIngresoDAO.java
index 01ec2bb..47c55ce 100644
--- a/src/danielcortes/xyz/models/ingreso/SQLiteIngresoDAO.java
+++ b/src/danielcortes/xyz/models/ingreso/SQLiteIngresoDAO.java
@@ -34,8 +34,12 @@ import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 public class SQLiteIngresoDAO extends IngresoDAO {
+    private static final Logger LOGGER = Logger.getLogger(SQLiteIngresoDAO.class.getName());
+
     public SQLiteIngresoDAO() {
         this.connectionHolder = new SQLiteConnectionHolder();
     }
@@ -44,16 +48,18 @@ public class SQLiteIngresoDAO extends IngresoDAO {
     public List<Ingreso> findAll() {
         List<Ingreso> ingresosList = new ArrayList<>();
         try (Connection conn = connectionHolder.getConnection()) {
-            PreparedStatement ps = conn.prepareStatement("select * from ingresos");
+            String query = "select * from ingresos";
+            PreparedStatement ps = conn.prepareStatement(query);
             ResultSet rs = ps.executeQuery();
 
+            LOGGER.log(Level.FINE, "QUERY: {0}", query);
+
             ingresosList = this.ingresosFromResultSet(rs);
 
             rs.close();
             ps.close();
-            conn.close();
         } catch (SQLException e) {
-            e.printStackTrace();
+            LOGGER.log(Level.SEVERE, e.toString(), e);
         }
         return ingresosList;
     }
@@ -62,15 +68,17 @@ public class SQLiteIngresoDAO extends IngresoDAO {
     public List<Ingreso> findByCaja(Caja caja) {
         List<Ingreso> ingresosList = new ArrayList<>();
         try (Connection conn = connectionHolder.getConnection()) {
-            PreparedStatement ps = conn.prepareStatement("select * from ingresos where caja_id = ?");
+            String query = "select * from ingresos where caja_id = ?";
+            PreparedStatement ps = conn.prepareStatement(query);
             ps.setInt(1, caja.getId());
             ResultSet rs = ps.executeQuery();
 
+            LOGGER.log(Level.FINE, "QUERY: {0} | values: {1}", new Object[]{query, caja.getId()});
+
             ingresosList = this.ingresosFromResultSet(rs);
 
             rs.close();
             ps.close();
-            conn.close();
         } catch (SQLException e) {
             e.printStackTrace();
         }
@@ -81,17 +89,19 @@ public class SQLiteIngresoDAO extends IngresoDAO {
     public List<Ingreso> findById(int id) {
         List<Ingreso> ingresosList = new ArrayList<>();
         try (Connection conn = connectionHolder.getConnection()) {
-            PreparedStatement ps = conn.prepareStatement("select * from ingresos where id = ?");
+            String query = "select * from ingresos where id = ?";
+            PreparedStatement ps = conn.prepareStatement(query);
             ps.setInt(1, id);
             ResultSet rs = ps.executeQuery();
 
+            LOGGER.log(Level.FINE, "QUERY: {0} | values: {1}", new Object[]{query, id});
+
             ingresosList = this.ingresosFromResultSet(rs);
 
             rs.close();
             ps.close();
-            conn.close();
         } catch (SQLException e) {
-            e.printStackTrace();
+            LOGGER.log(Level.SEVERE, e.toString(), e);
         }
         return ingresosList;
     }
@@ -100,17 +110,20 @@ public class SQLiteIngresoDAO extends IngresoDAO {
     public List<Ingreso> findByTipoIngreso(TipoIngreso tipoIngreso) {
         List<Ingreso> ingresosList = new ArrayList<>();
         try (Connection conn = connectionHolder.getConnection()) {
-            PreparedStatement ps = conn.prepareStatement("select ingresos.* from ingresos inner join tipos_ingreso on (ingresos.tipo_ingreso_id = tipos_ingreso.id) where ingresos.tipo_ingreso_id = ?");
+            String query = "select ingresos.* from ingresos inner join tipos_ingreso on (ingresos.tipo_ingreso_id = tipos_ingreso.id) where ingresos.tipo_ingreso_id = ?";
+            PreparedStatement ps = conn.prepareStatement(query);
             ps.setInt(1, tipoIngreso.getId());
             ResultSet rs = ps.executeQuery();
 
+            LOGGER.log(Level.FINE, "QUERY: {0} | values: {1}", new Object[]{query, tipoIngreso.getId()});
+
+
             ingresosList = this.ingresosFromResultSet(rs);
 
             rs.close();
             ps.close();
-            conn.close();
         } catch (SQLException e) {
-            e.printStackTrace();
+            LOGGER.log(Level.SEVERE, e.toString(), e);
         }
         return ingresosList;
     }
@@ -119,7 +132,8 @@ public class SQLiteIngresoDAO extends IngresoDAO {
     public boolean insertIngreso(Ingreso ingreso) {
         int updates;
         try (Connection conn = connectionHolder.getConnection()) {
-            PreparedStatement ps = conn.prepareStatement("insert into ingresos (valor, nro_z_inicial, nro_z_final, nro_inicial, nro_final, tipo_ingreso_id, caja_id) values (?,?,?,?,?,?,?)");
+            String query = "insert into ingresos (valor, nro_z_inicial, nro_z_final, nro_inicial, nro_final, tipo_ingreso_id, caja_id) values (?,?,?,?,?,?,?)";
+            PreparedStatement ps = conn.prepareStatement(query);
             ps.setInt(1, ingreso.getValor());
             ps.setString(2, ingreso.getNroZInicial());
             ps.setString(3, ingreso.getNroZFinal());
@@ -127,8 +141,10 @@ public class SQLiteIngresoDAO extends IngresoDAO {
             ps.setString(5, ingreso.getNroFinal());
             ps.setInt(6, ingreso.getTipoIngreso().getId());
             ps.setInt(7, ingreso.getCaja().getId());
-
             updates = ps.executeUpdate();
+
+            LOGGER.log(Level.FINE, "QUERY: {0} | values: [{1},{2},{3},{4},{5},{6},{7}] | updates: {8}", new Object[]{query, ingreso.getValor(), ingreso.getNroZInicial(), ingreso.getNroZFinal(), ingreso.getNroInicial(), ingreso.getNroFinal(), ingreso.getTipoIngreso().getId(), ingreso.getCaja().getId(), updates});
+
             ps.close();
 
             ps = conn.prepareStatement("select last_insert_rowid()");
@@ -137,9 +153,8 @@ public class SQLiteIngresoDAO extends IngresoDAO {
             ingreso.setId(rs.getInt(1));
 
             rs.close();
-            conn.close();
         } catch (SQLException e) {
-            e.printStackTrace();
+            LOGGER.log(Level.SEVERE, e.toString(), e);
             return false;
         }
         return updates > 0;
@@ -149,7 +164,8 @@ public class SQLiteIngresoDAO extends IngresoDAO {
     public boolean updateIngreso(Ingreso ingreso) {
         int updates;
         try (Connection conn = connectionHolder.getConnection()) {
-            PreparedStatement ps = conn.prepareStatement("update ingresos set valor = ?, nro_z_inicial = ?, nro_z_final = ?, nro_inicial = ?, nro_final = ?, tipo_ingreso_id = ?, caja_id = ? where id = ?");
+            String query = "update ingresos set valor = ?, nro_z_inicial = ?, nro_z_final = ?, nro_inicial = ?, nro_final = ?, tipo_ingreso_id = ?, caja_id = ? where id = ?";
+            PreparedStatement ps = conn.prepareStatement(query);
             ps.setInt(1, ingreso.getValor());
             ps.setString(2, ingreso.getNroZInicial());
             ps.setString(3, ingreso.getNroZFinal());
@@ -158,13 +174,14 @@ public class SQLiteIngresoDAO extends IngresoDAO {
             ps.setInt(6, ingreso.getTipoIngreso().getId());
             ps.setInt(7, ingreso.getCaja().getId());
             ps.setInt(8, ingreso.getId());
-
             updates = ps.executeUpdate();
 
+            LOGGER.log(Level.FINE, "QUERY: {0} | values: [{1},{2},{3},{4},{5},{6},{7},{8}] | updates: {9}", new Object[]{query, ingreso.getValor(), ingreso.getNroZInicial(), ingreso.getNroZFinal(), ingreso.getNroInicial(), ingreso.getNroFinal(), ingreso.getTipoIngreso().getId(), ingreso.getCaja().getId(), ingreso.getId(), updates});
+
+
             ps.close();
-            conn.close();
         } catch (SQLException e) {
-            e.printStackTrace();
+            LOGGER.log(Level.SEVERE, e.toString(), e);
             return false;
         }
         return updates > 0;
@@ -174,13 +191,16 @@ public class SQLiteIngresoDAO extends IngresoDAO {
     public boolean deleteIngreso(Ingreso ingreso) {
         int updates;
         try (Connection conn = connectionHolder.getConnection()) {
-            PreparedStatement ps = conn.prepareStatement("delete from ingresos where id = ?");
+            String query = "delete from ingresos where id = ?";
+            PreparedStatement ps = conn.prepareStatement(query);
             ps.setInt(1, ingreso.getId());
             updates = ps.executeUpdate();
+
+            LOGGER.log(Level.FINE, "QUERY: {0} | values: {1} | updates: {2}", new Object[]{query, ingreso.getId(), updates});
+
             ps.close();
-            conn.close();
         } catch (SQLException e) {
-            e.printStackTrace();
+            LOGGER.log(Level.SEVERE, e.toString(), e);
             return false;
         }
         return updates > 0;
@@ -190,18 +210,20 @@ public class SQLiteIngresoDAO extends IngresoDAO {
     public int getTotalIngreso(Caja caja) {
         int total = 0;
         try (Connection conn = connectionHolder.getConnection()) {
-            PreparedStatement ps = conn.prepareStatement("select sum(valor) from ingresos where caja_id = ?");
+            String query = "select sum(valor) from ingresos where caja_id = ?";
+            PreparedStatement ps = conn.prepareStatement(query);
             ps.setInt(1, caja.getId());
             ResultSet rs = ps.executeQuery();
 
+            LOGGER.log(Level.FINE, "QUERY: {0} | values: {1}", new Object[]{query, caja.getId()});
+
             rs.next();
             total = rs.getInt(1);
 
             rs.close();
             ps.close();
-            conn.close();
         } catch (SQLException e) {
-            e.printStackTrace();
+            LOGGER.log(Level.SEVERE, e.toString(), e);
         }
         return total;
     }
diff --git a/src/danielcortes/xyz/models/tipo_egreso/SQLiteTipoEgresoDAO.java b/src/danielcortes/xyz/models/tipo_egreso/SQLiteTipoEgresoDAO.java
index 091ad2f..a119d37 100644
--- a/src/danielcortes/xyz/models/tipo_egreso/SQLiteTipoEgresoDAO.java
+++ b/src/danielcortes/xyz/models/tipo_egreso/SQLiteTipoEgresoDAO.java
@@ -32,8 +32,12 @@ import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 public class SQLiteTipoEgresoDAO extends TipoEgresoDAO {
+    private static final Logger LOGGER = Logger.getLogger(SQLiteTipoEgresoDAO.class.getName());
+
     public SQLiteTipoEgresoDAO() {
         this.connectionHolder = new SQLiteConnectionHolder();
     }
@@ -42,16 +46,18 @@ public class SQLiteTipoEgresoDAO extends TipoEgresoDAO {
     public List<TipoEgreso> findAll() {
         List<TipoEgreso> tipoEgresoList = new ArrayList<>();
         try (Connection conn = connectionHolder.getConnection()) {
-            PreparedStatement ps = conn.prepareStatement("select * from tipos_egreso");
+            String query = "select * from tipos_egreso";
+            PreparedStatement ps = conn.prepareStatement(query);
             ResultSet rs = ps.executeQuery();
 
+            LOGGER.log(Level.FINE, "QUERY: {0}", query);
+
             tipoEgresoList = this.tipoEgresoFromResultSet(rs);
 
             rs.close();
             ps.close();
-            conn.close();
         } catch (SQLException e) {
-            e.printStackTrace();
+            LOGGER.log(Level.SEVERE, e.toString(), e);
         }
         return tipoEgresoList;
     }
@@ -60,17 +66,19 @@ public class SQLiteTipoEgresoDAO extends TipoEgresoDAO {
     public List<TipoEgreso> findById(int id) {
         List<TipoEgreso> tipoEgresoList = new ArrayList<>();
         try (Connection conn = connectionHolder.getConnection()) {
-            PreparedStatement ps = conn.prepareStatement("select * from tipos_egreso where id = ?");
+            String query = "select * from tipos_egreso where id = ?";
+            PreparedStatement ps = conn.prepareStatement(query);
             ps.setInt(1, id);
             ResultSet rs = ps.executeQuery();
 
+            LOGGER.log(Level.FINE, "QUERY: {0} | values: {1}", new Object[]{query, id});
+
             tipoEgresoList = this.tipoEgresoFromResultSet(rs);
 
             rs.close();
             ps.close();
-            conn.close();
         } catch (SQLException e) {
-            e.printStackTrace();
+            LOGGER.log(Level.SEVERE, e.toString(), e);
         }
         return tipoEgresoList;
     }
@@ -79,34 +87,20 @@ public class SQLiteTipoEgresoDAO extends TipoEgresoDAO {
     public List<TipoEgreso> findByNombre(String nombre) {
         List<TipoEgreso> tipoEgresoList = new ArrayList<>();
         try (Connection conn = connectionHolder.getConnection()) {
-            PreparedStatement ps = conn.prepareStatement("select * from tipos_egreso where nombre = ?");
+            String query = "select * from tipos_egreso where nombre = ?";
+            PreparedStatement ps = conn.prepareStatement(query);
             ps.setString(1, nombre);
             ResultSet rs = ps.executeQuery();
 
+            LOGGER.log(Level.FINE, "QUERY: {0} | values: {1}", new Object[]{query, nombre});
+
             tipoEgresoList = this.tipoEgresoFromResultSet(rs);
 
             rs.close();
             ps.close();
-            conn.close();
         } catch (SQLException e) {
-            e.printStackTrace();
+            LOGGER.log(Level.SEVERE, e.toString(), e);
         }
         return tipoEgresoList;
     }
-
-    @Override
-    public boolean insertTipoEgreso(TipoEgreso tipoEgreso) {
-        return false;
-    }
-
-    @Override
-    public boolean updateTipoEgreso(TipoEgreso tipoEgreso) {
-        return false;
-    }
-
-    @Override
-    public boolean deleteTipoEgreso(TipoEgreso tipoEgreso) {
-        return false;
-    }
-
 }
diff --git a/src/danielcortes/xyz/models/tipo_egreso/TipoEgresoDAO.java b/src/danielcortes/xyz/models/tipo_egreso/TipoEgresoDAO.java
index db2bc7c..8ad4de5 100644
--- a/src/danielcortes/xyz/models/tipo_egreso/TipoEgresoDAO.java
+++ b/src/danielcortes/xyz/models/tipo_egreso/TipoEgresoDAO.java
@@ -54,8 +54,12 @@ import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 public abstract class TipoEgresoDAO {
+    private static final Logger LOGGER = Logger.getLogger(TipoEgresoDAO.class.getName());
+
     protected ConnectionHolder connectionHolder;
 
     public abstract List<TipoEgreso> findAll();
@@ -64,18 +68,15 @@ public abstract class TipoEgresoDAO {
 
     public abstract List<TipoEgreso> findByNombre(String nombre);
 
-    public abstract boolean insertTipoEgreso(TipoEgreso tipoEgreso);
-
-    public abstract boolean updateTipoEgreso(TipoEgreso tipoEgreso);
-
-    public abstract boolean deleteTipoEgreso(TipoEgreso tipoEgreso);
-
     List<TipoEgreso> tipoEgresoFromResultSet(ResultSet rs) throws SQLException {
         ArrayList<TipoEgreso> tipoEgresoList = new ArrayList<>();
         while (rs.next()) {
             TipoEgreso tipoEgreso = new TipoEgreso();
             tipoEgreso.setId(rs.getInt("id"));
             tipoEgreso.setNombre(rs.getString("nombre"));
+
+            LOGGER.log(Level.FINER, "Se a creado {0}", tipoEgreso);
+
             tipoEgresoList.add(tipoEgreso);
         }
         return tipoEgresoList;
diff --git a/src/danielcortes/xyz/models/tipo_ingreso/SQLiteTipoIngresoDAO.java b/src/danielcortes/xyz/models/tipo_ingreso/SQLiteTipoIngresoDAO.java
index 261a3af..6bde6e5 100644
--- a/src/danielcortes/xyz/models/tipo_ingreso/SQLiteTipoIngresoDAO.java
+++ b/src/danielcortes/xyz/models/tipo_ingreso/SQLiteTipoIngresoDAO.java
@@ -32,8 +32,12 @@ import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 public class SQLiteTipoIngresoDAO extends TipoIngresoDAO {
+    private static final Logger LOGGER = Logger.getLogger(SQLiteTipoIngresoDAO.class.getName());
+
     public SQLiteTipoIngresoDAO() {
         this.connectionHolder = new SQLiteConnectionHolder();
     }
@@ -42,14 +46,16 @@ public class SQLiteTipoIngresoDAO extends TipoIngresoDAO {
     public List<TipoIngreso> findAll() {
         List<TipoIngreso> tiposIngresoList = new ArrayList<>();
         try (Connection conn = connectionHolder.getConnection()) {
-            PreparedStatement ps = conn.prepareStatement("select * from tipos_ingreso");
+            String query = "select * from tipos_ingreso";
+            PreparedStatement ps = conn.prepareStatement(query);
             ResultSet rs = ps.executeQuery();
 
+            LOGGER.log(Level.FINE, "QUERY: {0}", query);
+
             tiposIngresoList = this.tiposIngresoFromResultSet(rs);
 
             rs.close();
             ps.close();
-            conn.close();
         } catch (SQLException e) {
             e.printStackTrace();
         }
@@ -60,15 +66,17 @@ public class SQLiteTipoIngresoDAO extends TipoIngresoDAO {
     public List<TipoIngreso> findById(int id) {
         List<TipoIngreso> tiposIngresoList = new ArrayList<>();
         try (Connection conn = connectionHolder.getConnection()) {
-            PreparedStatement ps = conn.prepareStatement("select * from tipos_ingreso where id = ?");
+            String query = "select * from tipos_ingreso where id = ?";
+            PreparedStatement ps = conn.prepareStatement(query);
             ps.setInt(1, id);
             ResultSet rs = ps.executeQuery();
 
+            LOGGER.log(Level.FINE, "QUERY: {0} | values: {1}", new Object[]{query, id});
+
             tiposIngresoList = this.tiposIngresoFromResultSet(rs);
 
             rs.close();
             ps.close();
-            conn.close();
         } catch (SQLException e) {
             e.printStackTrace();
         }
@@ -79,10 +87,13 @@ public class SQLiteTipoIngresoDAO extends TipoIngresoDAO {
     public List<TipoIngreso> findByNombre(String nombre) {
         List<TipoIngreso> tiposIngresoList = new ArrayList<>();
         try (Connection conn = connectionHolder.getConnection()) {
-            PreparedStatement ps = conn.prepareStatement("select * from tipos_ingreso where nombre = ?");
+            String query = "select * from tipos_ingreso where nombre = ?";
+            PreparedStatement ps = conn.prepareStatement(query);
             ps.setString(1, nombre);
             ResultSet rs = ps.executeQuery();
 
+            LOGGER.log(Level.FINE, "QUERY: {0} | values: {1}", new Object[]{query, nombre});
+
             tiposIngresoList = this.tiposIngresoFromResultSet(rs);
 
             rs.close();
@@ -93,19 +104,4 @@ public class SQLiteTipoIngresoDAO extends TipoIngresoDAO {
         return tiposIngresoList;
     }
 
-    @Override
-    public boolean insertTipoIngreso(TipoIngreso tipoEgreso) {
-        return false;
-    }
-
-    @Override
-    public boolean updateTipoIngreso(TipoIngreso tipoEgreso) {
-        return false;
-    }
-
-    @Override
-    public boolean deleteTipoIngreso(TipoIngreso tipoEgreso) {
-        return false;
-    }
-
 }
diff --git a/src/danielcortes/xyz/models/tipo_ingreso/TipoIngresoDAO.java b/src/danielcortes/xyz/models/tipo_ingreso/TipoIngresoDAO.java
index 89a907a..7978226 100644
--- a/src/danielcortes/xyz/models/tipo_ingreso/TipoIngresoDAO.java
+++ b/src/danielcortes/xyz/models/tipo_ingreso/TipoIngresoDAO.java
@@ -30,8 +30,12 @@ import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 public abstract class TipoIngresoDAO {
+    private static final Logger LOGGER = Logger.getLogger(SQLiteTipoIngresoDAO.class.getName());
+
     protected ConnectionHolder connectionHolder;
 
     public abstract List<TipoIngreso> findAll();
@@ -40,18 +44,15 @@ public abstract class TipoIngresoDAO {
 
     public abstract List<TipoIngreso> findByNombre(String nombre);
 
-    public abstract boolean insertTipoIngreso(TipoIngreso tipoEgreso);
-
-    public abstract boolean updateTipoIngreso(TipoIngreso tipoEgreso);
-
-    public abstract boolean deleteTipoIngreso(TipoIngreso tipoEgreso);
-
     List<TipoIngreso> tiposIngresoFromResultSet(ResultSet rs) throws SQLException {
         ArrayList<TipoIngreso> tiposIngresoList = new ArrayList<>();
         while (rs.next()) {
             TipoIngreso tipoIngreso = new TipoIngreso();
             tipoIngreso.setId(rs.getInt("id"));
             tipoIngreso.setNombre(rs.getString("nombre"));
+
+            LOGGER.log(Level.FINE, "Se a creado: {0]", tipoIngreso);
+
             tiposIngresoList.add(tipoIngreso);
         }
         return tiposIngresoList;