diff --git a/1.sources/MyHealth/.settings/org.eclipse.jdt.core.prefs b/1.sources/MyHealth/.settings/org.eclipse.jdt.core.prefs
index 2c1391e..5caa538 100644
--- a/1.sources/MyHealth/.settings/org.eclipse.jdt.core.prefs
+++ b/1.sources/MyHealth/.settings/org.eclipse.jdt.core.prefs
@@ -1,13 +1,13 @@
 eclipse.preferences.version=1
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=1.6
+org.eclipse.jdt.core.compiler.compliance=1.8
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
 org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
 org.eclipse.jdt.core.compiler.release=disabled
-org.eclipse.jdt.core.compiler.source=1.6
+org.eclipse.jdt.core.compiler.source=1.8
diff --git a/1.sources/MyHealth/src/TO/PatientTO.java b/1.sources/MyHealth/src/TO/PatientTO.java
index 7cd78ca..fb7ae45 100644
--- a/1.sources/MyHealth/src/TO/PatientTO.java
+++ b/1.sources/MyHealth/src/TO/PatientTO.java
@@ -4,8 +4,6 @@ import java.io.Serializable;
 
 import javax.xml.bind.annotation.XmlRootElement;
 
-import jpa.FamilyDoctorJPA;
-
 /**
  * 
  * @author Marcos García Núñez (mgarcianun@uoc.edu)
diff --git a/1.sources/MyHealth/src/ejb/common/CommonFacadeRemote.java b/1.sources/MyHealth/src/ejb/common/CommonFacadeRemote.java
index e386ac8..533669e 100644
--- a/1.sources/MyHealth/src/ejb/common/CommonFacadeRemote.java
+++ b/1.sources/MyHealth/src/ejb/common/CommonFacadeRemote.java
@@ -1,6 +1,5 @@
 package ejb.common;
 
-import java.util.Collection;
 import java.util.List;
 
 import javax.ejb.Remote;
@@ -10,9 +9,6 @@ import TO.MedicalSpecialtyTO;
 import TO.PatientTO;
 import TO.PrimaryHealthCareCenterTO;
 import TO.SpecialistDoctorTO;
-import jpa.FamilyDoctorJPA;
-import jpa.PatientJPA;
-import jpa.SpecialistDoctorJPA;
 
 /**
  * 
diff --git a/1.sources/MyHealth/src/ejb/profile/ProfileFacadeBean.java b/1.sources/MyHealth/src/ejb/profile/ProfileFacadeBean.java
index ae8cba6..91ba814 100644
--- a/1.sources/MyHealth/src/ejb/profile/ProfileFacadeBean.java
+++ b/1.sources/MyHealth/src/ejb/profile/ProfileFacadeBean.java
@@ -278,8 +278,6 @@ public class ProfileFacadeBean implements ProfileFacadeRemote {
 	 * @return FamilyDoctorTO (Transfer Object del médico de familia al que se la ha cambiado el CAP).
 	 */
 	public FamilyDoctorTO changePrimaryHealthCareCenter(int professionalId, PrimaryHealthCareCenterTO newCenter) throws Exception {
-		FamilyDoctorTO fdTO = null;
-
 		FamilyDoctorJPA fd = entman.find(FamilyDoctorJPA.class, professionalId);
 		if (fd == null) {
 			throw new Exception("No se encuentra en la base de datos ningún médico de familia con id: " + String.valueOf(professionalId));
diff --git a/1.sources/MyHealth/src/ejb/systemAdmin/SystemAdminFacadeBean.java b/1.sources/MyHealth/src/ejb/systemAdmin/SystemAdminFacadeBean.java
index f0b239f..00c7a0f 100644
--- a/1.sources/MyHealth/src/ejb/systemAdmin/SystemAdminFacadeBean.java
+++ b/1.sources/MyHealth/src/ejb/systemAdmin/SystemAdminFacadeBean.java
@@ -16,7 +16,6 @@ import common.UserType;
 import ejb.common.CommonFacadeLocal;
 import jpa.AdministratorJPA;
 import jpa.MedicalSpecialtyJPA;
-import jpa.PatientJPA;
 
 /**
  * 
diff --git a/1.sources/MyHealth/src/ejb/systemAdmin/SystemAdminFacadeRemote.java b/1.sources/MyHealth/src/ejb/systemAdmin/SystemAdminFacadeRemote.java
index 7c8cfe9..13c32f3 100644
--- a/1.sources/MyHealth/src/ejb/systemAdmin/SystemAdminFacadeRemote.java
+++ b/1.sources/MyHealth/src/ejb/systemAdmin/SystemAdminFacadeRemote.java
@@ -1,13 +1,9 @@
 package ejb.systemAdmin;
 
-import java.util.Collection;
-
 import javax.ejb.Remote;
 
 import TO.LoggedUserTO;
 import TO.MedicalSpecialtyTO;
-import TO.PatientTO;
-import TO.PrimaryHealthCareCenterTO;
 
 /**
  * 
diff --git a/1.sources/MyHealth/src/managedbean/common/MenuMBean.java b/1.sources/MyHealth/src/managedbean/common/MenuMBean.java
index 677bf44..341963d 100644
--- a/1.sources/MyHealth/src/managedbean/common/MenuMBean.java
+++ b/1.sources/MyHealth/src/managedbean/common/MenuMBean.java
@@ -4,8 +4,6 @@ import java.io.Serializable;
 
 import javax.annotation.PostConstruct;
 import javax.enterprise.context.RequestScoped;
-import javax.faces.application.FacesMessage;
-import javax.faces.context.FacesContext;
 import javax.inject.Named;
 
 import org.primefaces.model.menu.DefaultMenuItem;
diff --git a/1.sources/MyHealth/src/managedbean/common/ThemeService.java b/1.sources/MyHealth/src/managedbean/common/ThemeService.java
index de7c7d5..9b19661 100644
--- a/1.sources/MyHealth/src/managedbean/common/ThemeService.java
+++ b/1.sources/MyHealth/src/managedbean/common/ThemeService.java
@@ -1,16 +1,16 @@
 package managedbean.common;
 
+import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.List;
 
-public class ThemeService {
-	/**
-	 * 
-	 */
+public class ThemeService  implements Serializable {
 	private static final long serialVersionUID = 1L;
 
 	public static final String DEFAULT_THEME = "nova-light";
 	public static final List<Theme> THEMES = new ArrayList<Theme>() {
+		private static final long serialVersionUID = 1L;
+
 		{
 			int i = 1;
 			add(new Theme(i++, "afterdark", "afterdark"));
diff --git a/1.sources/MyHealth/src/managedbean/medicalTest/PendingQuestionsMBean.java b/1.sources/MyHealth/src/managedbean/medicalTest/PendingQuestionsMBean.java
index 04fc7c9..b170a9b 100644
--- a/1.sources/MyHealth/src/managedbean/medicalTest/PendingQuestionsMBean.java
+++ b/1.sources/MyHealth/src/managedbean/medicalTest/PendingQuestionsMBean.java
@@ -12,8 +12,6 @@ import org.primefaces.model.LazyDataModel;
 import org.primefaces.model.SortOrder;
 
 import TO.QuestionTO;
-import common.Constants;
-import ejb.medicalTest.MedicalTestFacadeRemote;
 import managedbean.common.ManagedBeanBase;
 import managedbean.common.SessionUtils;
 
diff --git a/1.sources/MyHealth/src/managedbean/profile/ChangePrimaryHealthCareCenterMBean.java b/1.sources/MyHealth/src/managedbean/profile/ChangePrimaryHealthCareCenterMBean.java
index bc1e28f..8235389 100644
--- a/1.sources/MyHealth/src/managedbean/profile/ChangePrimaryHealthCareCenterMBean.java
+++ b/1.sources/MyHealth/src/managedbean/profile/ChangePrimaryHealthCareCenterMBean.java
@@ -1,7 +1,6 @@
 package managedbean.profile;
 
 import java.io.Serializable;
-import java.util.Collection;
 import java.util.List;
 
 import javax.annotation.PostConstruct;
diff --git a/1.sources/MyHealth/src/managedbean/systemAdmin/LoginMBean.java b/1.sources/MyHealth/src/managedbean/systemAdmin/LoginMBean.java
index 29d8c08..5674f25 100644
--- a/1.sources/MyHealth/src/managedbean/systemAdmin/LoginMBean.java
+++ b/1.sources/MyHealth/src/managedbean/systemAdmin/LoginMBean.java
@@ -1,19 +1,12 @@
 package managedbean.systemAdmin;
 
-import java.util.Properties;
-
 import javax.enterprise.context.RequestScoped;
 import javax.faces.application.FacesMessage;
-import javax.faces.context.FacesContext;
 import javax.inject.Named;
-import javax.naming.Context;
-import javax.naming.InitialContext;
-import javax.servlet.http.HttpSession;
 
 import org.primefaces.PrimeFaces;
 
 import TO.LoggedUserTO;
-import ejb.systemAdmin.SystemAdminFacadeRemote;
 import managedbean.common.ManagedBeanBase;
 import managedbean.common.SessionUtils;
 
diff --git a/1.sources/MyHealth/src/managedbean/systemAdmin/ManageSpecialitiesMBean.java b/1.sources/MyHealth/src/managedbean/systemAdmin/ManageSpecialitiesMBean.java
index 8a12fc3..efbd50d 100644
--- a/1.sources/MyHealth/src/managedbean/systemAdmin/ManageSpecialitiesMBean.java
+++ b/1.sources/MyHealth/src/managedbean/systemAdmin/ManageSpecialitiesMBean.java
@@ -6,7 +6,6 @@ import java.util.List;
 import javax.annotation.PostConstruct;
 import javax.enterprise.context.RequestScoped;
 import javax.faces.application.FacesMessage;
-import javax.faces.context.FacesContext;
 import javax.inject.Named;
 
 import TO.LoggedUserTO;
diff --git a/1.sources/MyHealth/src/managedbean/validators/EmailValidator.java b/1.sources/MyHealth/src/managedbean/validators/EmailValidator.java
index f6d2fcc..b866476 100644
--- a/1.sources/MyHealth/src/managedbean/validators/EmailValidator.java
+++ b/1.sources/MyHealth/src/managedbean/validators/EmailValidator.java
@@ -14,12 +14,12 @@ import javax.faces.validator.ValidatorException;
 import org.primefaces.validate.ClientValidator;
 
 @FacesValidator("emailValidator")
-public class EmailValidator implements Validator, ClientValidator {
+public class EmailValidator implements Validator<String>, ClientValidator {
 
 	private final static String EMAIL_PATTERN = "^[_A-Za-z0-9-\\+]+(\\.[_A-Za-z0-9-]+)*@[A-Za-z0-9-]+(\\.[A-Za-z0-9]+)*(\\.[A-Za-z]{2,})$";
 	private final static Pattern EMAIL_COMPILED_PATTERN = Pattern.compile(EMAIL_PATTERN);
 
-	public void validate(FacesContext context, UIComponent comp, Object value) throws ValidatorException {
+	public void validate(FacesContext context, UIComponent comp, String value) throws ValidatorException {
 		String strValue = "";
 		
 		if (value != null)
diff --git a/1.sources/MyHealth/src/managedbean/validators/NifValidator.java b/1.sources/MyHealth/src/managedbean/validators/NifValidator.java
index c663919..e0ad8dc 100644
--- a/1.sources/MyHealth/src/managedbean/validators/NifValidator.java
+++ b/1.sources/MyHealth/src/managedbean/validators/NifValidator.java
@@ -14,9 +14,9 @@ import org.primefaces.validate.ClientValidator;
 import managedbean.common.ValidationUtils;
 
 @FacesValidator("nifValidator")
-public class NifValidator implements Validator, ClientValidator {
+public class NifValidator implements Validator<String>, ClientValidator {
 
-	public void validate(FacesContext context, UIComponent comp, Object value) throws ValidatorException {
+	public void validate(FacesContext context, UIComponent comp, String value) throws ValidatorException {
 		String strValue = "";
 		
 		if (value != null)