{Spring boot + Hibernate + MySQL} not able to obtain DB connection
<p>I've read many post in order to find a solution. I would like to ask for help finding the problem. Below is the application.properties configuration file and the output with the error messages.</p>

<p><strong>aplication.properties:</strong></p>

<pre><code># DATASOURCE
spring.datasource.url=jdbc:mysql://localhost:3306/hibernatedb
spring.datasource.name=hibernatedb
spring.datasource.username=nunit 
spring.datasource.password=nunit
spring.datasource.driver-class-name=com.mysql.jdbc.Driver

# CONTAINER
server.port=8080
server.context-path=/nunit/api

# JPA
spring.jpa.hibernate.ddl-auto=update
spring.jpa.hibernate.show_sql=true
spring.jpa.hibernate.format_sql=true
spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQLDialect
spring.jpa.show-sql=true

# JDBC.X
db.driverClassName=com.mysql.jdbc.Driver
db.url=jdbc:mysql://localhost:3306;databaseName=hibernatedb
db.user=nunit
db.pass=nunit

# HIBERNATE.X
hibernate.dialect=org.hibernate.dialect.MySQLDialect
hibernate.show_sql=true
hibernate.format_sql=true
hibernate.hbm2ddl.auto=create-drop
hibernate.

# SECURITY
security.basic.enabled=true

# HTTP REQUEST
spring.mvc.dispatch-options-request=true

# CORS configuration 
endpoints.cors.allowed-origins=*
endpoints.cors.allowed-headers=*
endpoints.cors.allowed-methods=*
endpoints.cors.mapping=/**

#JACKSON
spring.jackson.date-format=MM/dd/yyyy
spring.jackson.serialization.write_dates_as_timestamps=false
</code></pre>

<p><strong>Console output:</strong></p>

<pre><code>  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::        (v1.3.5.RELEASE)

2016-08-13 19:30:19.656  INFO 3868 --- [           main] com.nunit.NUnitServices                  : Starting NUnitServices on iNViNCiBLe with PID 3868 (C:\Users\nUnit\workspace_neon\nUnitServices\target\classes started by nUnit in C:\Users\nUnit\workspace_neon\nUnitServices)
2016-08-13 19:30:19.656  INFO 3868 --- [           main] com.nunit.NUnitServices                  : No active profile set, falling back to default profiles: default
2016-08-13 19:30:19.794  INFO 3868 --- [           main] ationConfigEmbeddedWebApplicationContext : Refreshing org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@140e5a13: startup date [Sat Aug 13 19:30:19 EEST 2016]; root of context hierarchy
2016-08-13 19:30:23.766  INFO 3868 --- [           main] trationDelegate$BeanPostProcessorChecker : Bean 'org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration' of type [class org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration$$EnhancerBySpringCGLIB$$673436dd] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
2016-08-13 19:30:25.120  INFO 3868 --- [           main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat initialized with port(s): 8080 (http)
2016-08-13 19:30:25.162  INFO 3868 --- [           main] o.apache.catalina.core.StandardService   : Starting service Tomcat
2016-08-13 19:30:25.165  INFO 3868 --- [           main] org.apache.catalina.core.StandardEngine  : Starting Servlet Engine: Apache Tomcat/8.0.33
2016-08-13 19:30:25.482  INFO 3868 --- [ost-startStop-1] o.a.c.c.C.[.[localhost].[/nunit/api]     : Initializing Spring embedded WebApplicationContext
2016-08-13 19:30:25.483  INFO 3868 --- [ost-startStop-1] o.s.web.context.ContextLoader            : Root WebApplicationContext: initialization completed in 5689 ms
2016-08-13 19:30:26.626  INFO 3868 --- [ost-startStop-1] o.s.b.c.embedded.FilterRegistrationBean  : Mapping filter: 'characterEncodingFilter' to: [/*]
2016-08-13 19:30:26.627  INFO 3868 --- [ost-startStop-1] o.s.b.c.embedded.FilterRegistrationBean  : Mapping filter: 'hiddenHttpMethodFilter' to: [/*]
2016-08-13 19:30:26.628  INFO 3868 --- [ost-startStop-1] o.s.b.c.embedded.FilterRegistrationBean  : Mapping filter: 'httpPutFormContentFilter' to: [/*]
2016-08-13 19:30:26.628  INFO 3868 --- [ost-startStop-1] o.s.b.c.embedded.FilterRegistrationBean  : Mapping filter: 'requestContextFilter' to: [/*]
2016-08-13 19:30:26.632  INFO 3868 --- [ost-startStop-1] .e.DelegatingFilterProxyRegistrationBean : Mapping filter: 'springSecurityFilterChain' to: [/*]
2016-08-13 19:30:26.632  INFO 3868 --- [ost-startStop-1] o.s.b.c.e.ServletRegistrationBean        : Mapping servlet: 'dispatcherServlet' to [/]
2016-08-13 19:30:27.367  INFO 3868 --- [ost-startStop-1] b.a.s.AuthenticationManagerConfiguration : 

Using default security password: f5fc04b8-ea2e-4a37-b3c2-8cc4b439ea9b

2016-08-13 19:30:27.491  INFO 3868 --- [ost-startStop-1] o.s.s.web.DefaultSecurityFilterChain     : Creating filter chain: Ant [pattern='/css/**'], []
2016-08-13 19:30:27.491  INFO 3868 --- [ost-startStop-1] o.s.s.web.DefaultSecurityFilterChain     : Creating filter chain: Ant [pattern='/js/**'], []
2016-08-13 19:30:27.492  INFO 3868 --- [ost-startStop-1] o.s.s.web.DefaultSecurityFilterChain     : Creating filter chain: Ant [pattern='/images/**'], []
2016-08-13 19:30:27.492  INFO 3868 --- [ost-startStop-1] o.s.s.web.DefaultSecurityFilterChain     : Creating filter chain: Ant [pattern='/**/favicon.ico'], []
2016-08-13 19:30:27.492  INFO 3868 --- [ost-startStop-1] o.s.s.web.DefaultSecurityFilterChain     : Creating filter chain: Ant [pattern='/error'], []
2016-08-13 19:30:27.653  INFO 3868 --- [ost-startStop-1] o.s.s.web.DefaultSecurityFilterChain     : Creating filter chain: org.springframework.boot.autoconfigure.security.SpringBootWebSecurityConfiguration$ApplicationNoWebSecurityConfigurerAdapter$1@6a07267e, [org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter@31e38a81, org.springframework.security.web.context.SecurityContextPersistenceFilter@489f333f, org.springframework.security.web.header.HeaderWriterFilter@47e64ac4, org.springframework.security.web.csrf.CsrfFilter@59f36eca, org.springframework.security.web.authentication.logout.LogoutFilter@716af3b4, org.springframework.security.web.savedrequest.RequestCacheAwareFilter@71a82ef, org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter@3131177c, org.springframework.security.web.authentication.AnonymousAuthenticationFilter@1732285a, org.springframework.security.web.session.SessionManagementFilter@615c6f88, org.springframework.security.web.access.ExceptionTranslationFilter@1a4e3459]
2016-08-13 19:30:28.258  INFO 3868 --- [           main] j.LocalContainerEntityManagerFactoryBean : Building JPA container EntityManagerFactory for persistence unit 'default'
2016-08-13 19:30:28.289  INFO 3868 --- [           main] o.hibernate.jpa.internal.util.LogHelper  : HHH000204: Processing PersistenceUnitInfo [
    name: default
    ...]
2016-08-13 19:30:28.455  INFO 3868 --- [           main] org.hibernate.Version                    : HHH000412: Hibernate Core {4.3.11.Final}
2016-08-13 19:30:28.458  INFO 3868 --- [           main] org.hibernate.cfg.Environment            : HHH000206: hibernate.properties not found
2016-08-13 19:30:28.461  INFO 3868 --- [           main] org.hibernate.cfg.Environment            : HHH000021: Bytecode provider name : javassist
2016-08-13 19:30:28.871  INFO 3868 --- [           main] o.hibernate.annotations.common.Version   : HCANN000001: Hibernate Commons Annotations {4.0.5.Final}
2016-08-13 19:30:29.631 ERROR 3868 --- [           main] o.a.tomcat.jdbc.pool.ConnectionPool      : Unable to create initial connections of pool.

java.sql.SQLException: Access denied for user 'nunit '@'localhost' (using password: YES)
    at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:957) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3878) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3814) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:871) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.MysqlIO.secureAuth411(MysqlIO.java:4323) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1267) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2255) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2286) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2085) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.ConnectionImpl.&lt;init&gt;(ConnectionImpl.java:795) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.JDBC4Connection.&lt;init&gt;(JDBC4Connection.java:44) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_102]
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_102]
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_102]
    at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_102]
    at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:400) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    42 more ...

2016-08-13 19:30:29.636  WARN 3868 --- [           main] o.h.e.jdbc.internal.JdbcServicesImpl     : HHH000342: Could not obtain connection to query metadata : Access denied for user 'nunit '@'localhost' (using password: YES)
2016-08-13 19:30:29.656  INFO 3868 --- [           main] org.hibernate.dialect.Dialect            : HHH000400: Using dialect: org.hibernate.dialect.MySQLDialect
2016-08-13 19:30:29.680  INFO 3868 --- [           main] o.h.e.jdbc.internal.LobCreatorBuilder    : HHH000422: Disabling contextual LOB creation as connection was null
2016-08-13 19:30:30.237  INFO 3868 --- [           main] o.h.h.i.ast.ASTQueryTranslatorFactory    : HHH000397: Using ASTQueryTranslatorFactory
2016-08-13 19:30:30.500  INFO 3868 --- [           main] org.hibernate.tool.hbm2ddl.SchemaUpdate  : HHH000228: Running hbm2ddl schema update
2016-08-13 19:30:30.500  INFO 3868 --- [           main] org.hibernate.tool.hbm2ddl.SchemaUpdate  : HHH000102: Fetching database metadata
2016-08-13 19:30:30.500 ERROR 3868 --- [           main] o.a.tomcat.jdbc.pool.ConnectionPool      : Unable to create initial connections of pool.

java.sql.SQLException: Access denied for user 'nunit '@'localhost' (using password: YES)
    at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:957) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3878) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3814) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:871) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.MysqlIO.secureAuth411(MysqlIO.java:4323) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1267) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2255) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2286) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2085) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.ConnectionImpl.&lt;init&gt;(ConnectionImpl.java:795) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.JDBC4Connection.&lt;init&gt;(JDBC4Connection.java:44) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_102]
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_102]
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_102]
    at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_102]
    at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:400) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    41 more ...

2016-08-13 19:30:30.516 ERROR 3868 --- [           main] org.hibernate.tool.hbm2ddl.SchemaUpdate  : HHH000319: Could not get database metadata

java.sql.SQLException: Access denied for user 'nunit '@'localhost' (using password: YES)
    at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:957) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3878) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3814) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:871) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.MysqlIO.secureAuth411(MysqlIO.java:4323) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1267) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2255) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2286) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2085) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.ConnectionImpl.&lt;init&gt;(ConnectionImpl.java:795) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.JDBC4Connection.&lt;init&gt;(JDBC4Connection.java:44) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_102]
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_102]
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_102]
    at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_102]
    43 more ...

2016-08-13 19:30:30.516 ERROR 3868 --- [           main] org.hibernate.tool.hbm2ddl.SchemaUpdate  : HHH000299: Could not complete schema update

java.sql.SQLException: Access denied for user 'nunit '@'localhost' (using password: YES)
    at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:957) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3878) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3814) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:871) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.MysqlIO.secureAuth411(MysqlIO.java:4323) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1267) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2255) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2286) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2085) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.ConnectionImpl.&lt;init&gt;(ConnectionImpl.java:795) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at com.mysql.jdbc.JDBC4Connection.&lt;init&gt;(JDBC4Connection.java:44) ~[mysql-connector-java-5.1.38.jar:5.1.38]
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_102]
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[na:1.8.0_102]
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[na:1.8.0_102]
    at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[na:1.8.0_102]
    43 more ...

2016-08-13 19:30:31.055  INFO 3868 --- [           main] s.w.s.m.m.a.RequestMappingHandlerAdapter : Looking for @ControllerAdvice: org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext@140e5a13: startup date [Sat Aug 13 19:30:19 EEST 2016]; root of context hierarchy
2016-08-13 19:30:31.288  INFO 3868 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/services/helloWorld],methods=[POST]}" onto public java.util.List&lt;com.nunit.rest.Message&gt; com.nunit.rest.ServiceController.postHelloWorldMessage()
2016-08-13 19:30:31.291  INFO 3868 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/services/helloWorld]}" onto public java.util.List&lt;com.nunit.rest.Message&gt; com.nunit.rest.ServiceController.getHelloWorldMessage()
2016-08-13 19:30:31.297  INFO 3868 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error]}" onto public org.springframework.http.ResponseEntity&lt;java.util.Map&lt;java.lang.String, java.lang.Object&gt;&gt; org.springframework.boot.autoconfigure.web.BasicErrorController.error(javax.servlet.http.HttpServletRequest)
2016-08-13 19:30:31.298  INFO 3868 --- [           main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error],produces=[text/html]}" onto public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.BasicErrorController.errorHtml(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)
2016-08-13 19:30:31.381  INFO 3868 --- [           main] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapped URL path [/webjars/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2016-08-13 19:30:31.382  INFO 3868 --- [           main] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapped URL path [/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2016-08-13 19:30:31.506  INFO 3868 --- [           main] o.s.w.s.handler.SimpleUrlHandlerMapping  : Mapped URL path [/**/favicon.ico] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2016-08-13 19:30:32.129  INFO 3868 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Registering beans for JMX exposure on startup
2016-08-13 19:30:32.339  INFO 3868 --- [           main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat started on port(s): 8080 (http)
2016-08-13 19:30:32.352  INFO 3868 --- [           main] com.nunit.NUnitServices                  : Started NUnitServices in 13.541 seconds (JVM running for 14.527)
</code></pre>