title: URL must start with 'jdbc' in sprinboot
body: <p>My application was running but when, I got application error. I tried several times the same thing happening. I checked database connection and everything is fine. These are my logs</p>
  
  <p><strong>Exception</strong></p>
  
  <hr>
  
  <pre><code>Caused by: java.lang.IllegalArgumentException: URL must start with 'jdbc'
  at org.springframework.util.Assert.isTrue(Assert.java:116) ~[spring-core-5.0.5.RELEASE.jar:5.0.5.RELEASE]
  at org.springframework.boot.jdbc.DatabaseDriver.fromJdbcUrl(DatabaseDriver.java:268) ~[spring-boot-2.0.1.RELEASE.jar:2.0.1.RELEASE]
  at org.springframework.boot.autoconfigure.jdbc.DataSourceProperties.determineDriverClassName(DataSourceProperties.java:230) ~[spring-boot-autoconfigure-2.0.1.RELEASE.jar:2.0.1.RELEASE]
  at org.springframework.boot.autoconfigure.jdbc.DataSourceProperties.initializeDataSourceBuilder(DataSourceProperties.java:176) ~[spring-boot-autoconfigure-2.0.1.RELEASE.jar:2.0.1.RELEASE]
  at org.springframework.boot.autoconfigure.jdbc.DataSourceConfiguration.createDataSource(DataSourceConfiguration.java:43) ~[spring-boot-autoconfigure-2.0.1.RELEASE.jar:2.0.1.RELEASE]
  at org.springframework.boot.autoconfigure.jdbc.DataSourceConfiguration$Hikari.dataSource(DataSourceConfiguration.java:81) ~[spring-boot-autoconfigure-2.0.1.RELEASE.jar:2.0.1.RELEASE]
  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_161]
  at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[na:1.8.0_161]
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[na:1.8.0_161]
  at java.lang.reflect.Method.invoke(Unknown Source) ~[na:1.8.0_161]
  at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154) ~[spring-beans-5.0.5.RELEASE.jar:5.0.5.RELEASE]
  ... 40 common frames omitted
  </code></pre>
  
  <p><strong>application.properties</strong></p>
  
  <hr>
  
  <pre><code>#======================
  # DATA SOURCE
  #=====================
  
  spring.datasource.url="jdbc:mysql://localhost:3306/customerdb?useSSL=false"
  spring.datasource.username=root
  spring.datasource.password=root
  #spring.datasource.driver-class-name=com.mysql.jdbc.Driver
  spring.datasource.dbcp2.test-while-idle=true
  spring.datasource.dbcp2.validation-query= SELECT 1
  
  
  #============================
  # JPA/Hibernate
  #===========================
  spring.jpa.show-sql=true
  spring.jpa.hibernate.ddl-auto=create-drop
  spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL5Dialect
  spring.jpa.hibernate.naming.physical-strategy=org.springframework.boot.orm.jpa.hibernate.SpringPhysicalNamingStrategy
  
  #===================================================================
  # Spring Security / Queries for AuthenticationManagerBuilder
  #===================================================================
  spring.queries.users-query=select email,password active form user where email=?
  spring.queries.roles-query=select u.email, r.role from user u inner join user_role ur on(u.user_id=ur.user_id) inner join role r on(ur.role_id=r.role_id) where u.email=?
  
  # ===============================
  # Thymeleaf configurations
  # ===============================
  spring.thymeleaf.mode=LEGACYHTML5
  spring.thymeleaf.cache=false
  
  #====================================
  #LOGGING
  #====================================
  logging.level.root=warn
  logging.level.org.org.springframework.web=debug
  logging.level.org.org.Hibernate=error
  </code></pre>