diff --git a/HACKING.rst b/HACKING.rst
index 31f67a0f9..b25814279 100644
--- a/HACKING.rst
+++ b/HACKING.rst
@@ -27,6 +27,10 @@ Compilation requirements
 
   Database server
 
+* *MySQL* - Relational SQL database
+
+  Alternative database server
+
 * *Python Docutils* - Utilities for the documentation of Python modules
 
   Used to generate HTMLs help files from RST files (reStructuredText)
@@ -561,6 +565,7 @@ pushing a patch.
 
 MySQL
 -----
+Strongly preferred to use 5.6+ version
 
 For MySQL users here are specific instructions.
 
@@ -568,8 +573,9 @@ For MySQL users here are specific instructions.
 
     CREATE DATABASE libreplandev;
     CREATE DATABASE libreplandevtest;
-    GRANT ALL ON libreplandev.* to 'libreplan'@'localhost' identified by 'libreplan';
-    GRANT ALL ON libreplandevtest.* to 'libreplan'@'localhost' identified by 'libreplan';
+    CREATE USER 'libreplan'@'localhost' IDENTIFIED BY 'libreplan';
+    GRANT ALL PRIVILEGES ON libreplandev.* TO 'libreplan'@'localhost' WITH GRANT OPTION;
+    GRANT ALL PRIVILEGES ON libreplandevtest.* TO 'libreplan'@'localhost' WITH GRANT OPTION;
 
 * Compile project::
 
diff --git a/libreplan-business/src/main/resources/db.changelog-database.xml b/libreplan-business/src/main/resources/db.changelog-database.xml
index f3e1a71a2..4242fc6b8 100644
--- a/libreplan-business/src/main/resources/db.changelog-database.xml
+++ b/libreplan-business/src/main/resources/db.changelog-database.xml
@@ -1,5 +1,8 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-2.0.xsd">
+<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+                   xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-2.0.xsd">
+
     <changeSet author="mrego" id="initial-database-creation-1">
         <createTable tableName="advance_assignment">
             <column name="id" type="BIGINT">
@@ -2163,5 +2166,4 @@
         </insert>
     </changeSet>
 
-
 </databaseChangeLog>
diff --git a/libreplan-business/src/test/java/org/libreplan/business/common/EntitySequenceTest.java b/libreplan-business/src/test/java/org/libreplan/business/common/EntitySequenceTest.java
index 2f19bcaca..ef1640421 100644
--- a/libreplan-business/src/test/java/org/libreplan/business/common/EntitySequenceTest.java
+++ b/libreplan-business/src/test/java/org/libreplan/business/common/EntitySequenceTest.java
@@ -47,7 +47,8 @@ import org.springframework.transaction.annotation.Transactional;
  */
 
 @RunWith(SpringJUnit4ClassRunner.class)
-@ContextConfiguration(locations = { BUSINESS_SPRING_CONFIG_FILE,
+@ContextConfiguration(locations = {
+        BUSINESS_SPRING_CONFIG_FILE,
         BUSINESS_SPRING_CONFIG_TEST_FILE })
 public class EntitySequenceTest {
 
@@ -69,8 +70,7 @@ public class EntitySequenceTest {
     @Transactional
     public void testCreateActiveEntitySequence() {
         try {
-            entitySequenceDAO.save(givenEntitySequence("prefix-"
-                    + UUID.randomUUID(), EntityNameEnum.CALENDAR, true));
+            entitySequenceDAO.save(givenEntitySequence("prefix-" + UUID.randomUUID(), EntityNameEnum.CALENDAR, true));
             entitySequenceDAO.flush();
         } catch (ValidationException e) {
             fail("It should not throw an exception");
@@ -83,8 +83,7 @@ public class EntitySequenceTest {
     @Transactional
     public void testCreateEntitySequenceWithEmptyPrefix() {
         try {
-            entitySequenceDAO.save(givenEntitySequence("",
-                    EntityNameEnum.CALENDAR, true));
+            entitySequenceDAO.save(givenEntitySequence("", EntityNameEnum.CALENDAR, true));
             fail("It should throw an exception");
         } catch (ValidationException e) {
             // It should throw an exception
@@ -96,8 +95,7 @@ public class EntitySequenceTest {
     @Transactional
     public void testCreateEntitySequenceWithPrefixWithWhiteSpace() {
         try {
-            entitySequenceDAO.save(givenEntitySequence(
-                    "prefix with white spaces", EntityNameEnum.CALENDAR, true));
+            entitySequenceDAO.save(givenEntitySequence("prefix with white spaces", EntityNameEnum.CALENDAR, true));
             fail("It should throw an exception");
         } catch (ValidationException e) {
             // It should throw an exception
@@ -109,8 +107,7 @@ public class EntitySequenceTest {
     @Transactional
     public void testCreateEntitySequenceWithEmptyEntityName() {
         try {
-            entitySequenceDAO.save(givenEntitySequence("prefix-"
-                    + UUID.randomUUID(), null, false));
+            entitySequenceDAO.save(givenEntitySequence("prefix-" + UUID.randomUUID(), null, false));
             fail("It should throw an exception");
         } catch (ValidationException e) {
             // It should throw an exception
@@ -122,8 +119,9 @@ public class EntitySequenceTest {
     @Transactional
     public void testCreateEntitySequenceWithNumberOfDigitsNotSpecified() {
         try {
-            EntitySequence entitySequence = givenEntitySequence("prefix-"
-                    + UUID.randomUUID(), EntityNameEnum.CRITERION, true);
+            EntitySequence entitySequence =
+                    givenEntitySequence("prefix-" + UUID.randomUUID(), EntityNameEnum.CRITERION, true);
+
             entitySequence.setNumberOfDigits(null);
             entitySequenceDAO.save(entitySequence);
             fail("It should throw an exception");
@@ -137,8 +135,9 @@ public class EntitySequenceTest {
     @Transactional
     public void testCreateEntitySequenceWithNumberOfDigitsOutRange() {
         try {
-            EntitySequence entitySequence = givenEntitySequence("prefix-"
-                    + UUID.randomUUID(), EntityNameEnum.CRITERION, true);
+            EntitySequence entitySequence =
+                    givenEntitySequence("prefix-" + UUID.randomUUID(), EntityNameEnum.CRITERION, true);
+
             entitySequence.setNumberOfDigits(15);
             entitySequenceDAO.save(entitySequence);
             fail("It should throw an exception");
@@ -151,13 +150,15 @@ public class EntitySequenceTest {
     @Test
     @Transactional
     public void testCreateTwoActiveEntitySequenceWithTheSameEntityName() {
-        EntitySequence entitySequenceA = givenEntitySequence("prefix-"
-                + UUID.randomUUID(), EntityNameEnum.CRITERION, true);
+        EntitySequence entitySequenceA =
+                givenEntitySequence("prefix-" + UUID.randomUUID(), EntityNameEnum.CRITERION, true);
+
         entitySequenceDAO.save(entitySequenceA);
         entitySequenceDAO.flush();
         try {
-            EntitySequence entitySequenceB = givenEntitySequence("prefix-"
-                    + UUID.randomUUID(), EntityNameEnum.CRITERION, true);
+            EntitySequence entitySequenceB =
+                    givenEntitySequence("prefix-" + UUID.randomUUID(), EntityNameEnum.CRITERION, true);
+
             entitySequenceDAO.save(entitySequenceB);
             fail("Expected ValidationException");
         } catch (ValidationException e) {
@@ -167,13 +168,13 @@ public class EntitySequenceTest {
     @Test
     @Transactional
     public void testCreateTwoEntitySequenceWithTheSameEntityName() {
-        EntitySequence entitySequenceA = givenEntitySequence("prefix-"
-                + UUID.randomUUID(), EntityNameEnum.LABEL, true);
+        EntitySequence entitySequenceA = givenEntitySequence("prefix-" + UUID.randomUUID(), EntityNameEnum.LABEL, true);
         entitySequenceDAO.save(entitySequenceA);
         entitySequenceDAO.flush();
         try {
-            EntitySequence entitySequenceB = givenEntitySequence("prefix-"
-                    + UUID.randomUUID(), EntityNameEnum.LABEL, false);
+            EntitySequence entitySequenceB =
+                    givenEntitySequence("prefix-" + UUID.randomUUID(), EntityNameEnum.LABEL, false);
+
             entitySequenceDAO.save(entitySequenceB);
         } catch (ValidationException e) {
             fail("It shouldn't throw an exception");
@@ -183,30 +184,29 @@ public class EntitySequenceTest {
     @Test
     @Transactional
     public void testCreateAndRemoveTwoEntitySequenceWithTheSameEntityName() {
-        EntitySequence entitySequenceA = givenEntitySequence("prefix-"
-                + UUID.randomUUID(), EntityNameEnum.MACHINE, true);
+        EntitySequence entitySequenceA =
+                givenEntitySequence("prefix-" + UUID.randomUUID(), EntityNameEnum.MACHINE, true);
+
         entitySequenceDAO.save(entitySequenceA);
         try {
             entitySequenceDAO.remove(entitySequenceA.getId());
-        } catch (ValidationException e) {
-            fail("It shouldn't throw an exception");
-        } catch (InstanceNotFoundException o) {
+        } catch (ValidationException | InstanceNotFoundException e) {
             fail("It shouldn't throw an exception");
         }
         try {
-            EntitySequence entitySequenceB = givenEntitySequence("prefix-"
-                    + UUID.randomUUID(), EntityNameEnum.MACHINE, true);
+            EntitySequence entitySequenceB =
+                    givenEntitySequence("prefix-" + UUID.randomUUID(), EntityNameEnum.MACHINE, true);
+
             entitySequenceDAO.save(entitySequenceB);
         } catch (ValidationException e) {
             fail("It shouldn't throw an exception");
         }
     }
 
-    private EntitySequence givenEntitySequence(String prefix,
-            EntityNameEnum entityName, boolean active) {
-        EntitySequence entitySequence = EntitySequence.create(prefix,
-                entityName);
+    private EntitySequence givenEntitySequence(String prefix, EntityNameEnum entityName, boolean active) {
+        EntitySequence entitySequence = EntitySequence.create(prefix, entityName);
         entitySequence.setActive(active);
+
         return entitySequence;
     }
 
diff --git a/libreplan-business/src/test/resources/TestEntities.hbm.xml b/libreplan-business/src/test/resources/TestEntities.hbm.xml
index 5358e662d..ce59c917c 100644
--- a/libreplan-business/src/test/resources/TestEntities.hbm.xml
+++ b/libreplan-business/src/test/resources/TestEntities.hbm.xml
@@ -1,7 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
 <hibernate-mapping default-access="field">
-  <class name="org.libreplan.business.test.workingday.hibernate.EntityContainingResourcePerDay" table="entity_containing_resource_per_day">
+
+  <class name="org.libreplan.business.test.workingday.hibernate.EntityContainingResourcePerDay"
+         table="entity_containing_resource_per_day">
   <id name="id">
       <generator class="hilo">
         <param name="max_lo">100</param>
@@ -11,7 +13,8 @@
       column="resources_per_day" />
   </class>
 
-  <class name="org.libreplan.business.test.workingday.hibernate.EntityContainingEffortDuration" table="entity_containing_effort_duration">
+  <class name="org.libreplan.business.test.workingday.hibernate.EntityContainingEffortDuration"
+         table="entity_containing_effort_duration">
     <id name="id">
       <generator class="hilo">
         <param name="max_lo">100</param>
diff --git a/libreplan-webapp/pom.xml b/libreplan-webapp/pom.xml
index 8e1d623e0..87a9ca346 100644
--- a/libreplan-webapp/pom.xml
+++ b/libreplan-webapp/pom.xml
@@ -360,6 +360,12 @@
             <artifactId>spring-security-ldap</artifactId>
         </dependency>
 
+        <!-- Spring Test -->
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-test</artifactId>
+        </dependency>
+
         <!-- BSH -->
         <dependency>
             <groupId>org.beanshell</groupId>
@@ -430,11 +436,6 @@
             <scope>test</scope>
         </dependency>
 
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-test</artifactId>
-        </dependency>
-
         <!-- Easymock -->
         <dependency>
             <groupId>org.easymock</groupId>
diff --git a/pom.xml b/pom.xml
index 02d3efc6d..b756a059a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -130,7 +130,7 @@
         </profile>
 
         <!-- MySQL profile
-            TODO chagne version mysql for JDK8
+            TODO change version mysql for JDK8
         -->
         <profile>
             <id>mysql</id>
@@ -138,7 +138,7 @@
                 <!-- JDBC driver properties -->
                 <jdbcDriver.groupId>mysql</jdbcDriver.groupId>
                 <jdbcDriver.artifactId>mysql-connector-java</jdbcDriver.artifactId>
-                <jdbcDriver.version>6.0.2</jdbcDriver.version>
+                <jdbcDriver.version>5.1.38</jdbcDriver.version>
                 <jdbcDriver.className>com.mysql.jdbc.Driver</jdbcDriver.className>
                 <!-- Data source properties -->
                 <dataSource.url>jdbc:mysql://localhost/libreplan${libreplan.mode}</dataSource.url>
@@ -904,9 +904,9 @@
 
             <!-- =========================================================== -->
             <!-- LiquiBase plugin -->
-        <plugin>
-            <groupId>org.liquibase</groupId>
-            <artifactId>liquibase-maven-plugin</artifactId>
+            <plugin>
+                <groupId>org.liquibase</groupId>
+                <artifactId>liquibase-maven-plugin</artifactId>
                 <version>3.5.0</version>
             </plugin>