SpringBoot踩坑之路——Springboot与数据库配置（一）
如今微服务非常的流行，为了更加了解这一门技术，开始自己的踩坑之路。这里记录了笔者在创建SpringBoot项目中踩过的坑以及如何填坑。
目录
一、链接mysql.jdbc.Driver提示信息
（1）driverClassName: com.mysql.cj.jdbc.Driver
（2）java.sql.SQLException: The server time zone value
二、Springboot整合mybatis
（1）org.apache.ibatis.binding.BindingException: Invalid bound statement
三、Springboot+Mybatis多数据源配置报错信息
(1)org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'entityManagerFactory'
一、链接mysql.jdbc.Driver提示信息
（1）driverClassName: com.mysql.cj.jdbc.Driver
错误信息：
Loading class `com.mysql.jdbc.Driver'. This is deprecated. The new driver class is `com.mysql.cj.jdbc.Driver'. The driver is automatically registered via the SPI and manual loading of the driver class is generally unnecessary.解决办法：
在mysql-connector-java的新版本（5版本以上），官方推荐配置使用 driverClassName: com.mysql.cj.jdbc.Driver替代以前的配置driverClassName: com.mysql.jdbc.Driver，如果你不修改配置，对运行其实没有什么影响。
（2）java.sql.SQLException: The server time zone value
错误信息：
java.sql.SQLException: The server time zone value '�й���ʱ��' is unrecognized or represents more than one time zone. You must configure either the server or JDBC driver (via the serverTimezone configuration property) to use a more specifc time zone value if you want to utilize time zone support.出现该问题原因是因为时间区域时差问题。
解决办法：
在数据库配置中如下配置url：
url: jdbc:mysql://localhost:3306/alice_test?serverTimezone=CTT&useUnicode=true&characterEncoding=utf8与以前的配置比较，增加了一个serverTimezone=CTT配置——CTT中国台湾时区，避免产生8小时时差。
下面贴出以前的配置和解决问题之后的配置。
旧版本配置：
url: jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf8
driverClassName: com.mysql.jdbc.Driver
username: root
password: xxxx新版本配置：
url: jdbc:mysql://localhost:3306/test?serverTimezone=CTT&useUnicode=true&characterEncoding=utf8
driverClassName: com.mysql.cj.jdbc.Driver
username: root
password: xxx二、Springboot整合mybatis
（1）org.apache.ibatis.binding.BindingException: Invalid bound statement
错误信息：
无效的绑定之类的错误。
错误的原因：
1.xml文件的namespace和calss文件没有一致（检验方法，ctrl+鼠标左键，点击路径，看能否定位到目标文件，不能说明有错误，可以则正确。）。
2.xml文件中语句的id和class文件里面的方法名没有一致。
3.xml文件没有打包（检验方法，查看项目target文件夹下的classes文件夹下面对应的mapper里面有没有xml文件）。
如图：
解决办法：
1.文件名复制，不要手打，路径输入完之后ctrl+鼠标左键检验一下。
2.id复制，不要手打。
3.在pom文件下面添加如下配置：
src/main/java
**/*.xml
src/main/resources
三、Springboot+Mybatis多数据源配置报错信息
(1)org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'entityManagerFactory'
下面是错误信息：
"C:\Program Files\Java\jdk1.8.0_201\bin\java.exe" -XX:TieredStopAtLevel=1 -noverify -Dspring.output.ansi.enabled=always -Dcom.sun.management.jmxremote -Dspring.jmx.enabled=true -Dspring.liveBeansView.mbeanDomain -Dspring.application.admin.enabled=true "-javaagent:D:\DevelopSoft\IDEADown\IntelliJ IDEA 2018.3.5\lib\idea_rt.jar=56546:D:\DevelopSoft\IDEADown\IntelliJ IDEA 2018.3.5\bin" -Dfile.encoding=UTF-8 -classpath "C:\Program Files\Java\jdk1.8.0_201\jre\lib\charsets.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\deploy.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\ext\access-bridge-64.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\ext\cldrdata.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\ext\dnsns.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\ext\jaccess.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\ext\jfxrt.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\ext\localedata.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\ext\nashorn.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\ext\sunec.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\ext\sunjce_provider.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\ext\sunmscapi.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\ext\sunpkcs11.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\ext\zipfs.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\javaws.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\jce.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\jfr.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\jfxswt.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\jsse.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\management-agent.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\plugin.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\resources.jar;C:\Program Files\Java\jdk1.8.0_201\jre\lib\rt.jar;D:\CodeFromGitV2\KiritoV1\aliceTest\target\classes;D:\MavenLocalStore\org\springframework\boot\spring-boot-starter-data-jpa\2.1.5.RELEASE\spring-boot-starter-data-jpa-2.1.5.RELEASE.jar;D:\MavenLocalStore\org\springframework\boot\spring-boot-starter-aop\2.1.5.RELEASE\spring-boot-starter-aop-2.1.5.RELEASE.jar;D:\MavenLocalStore\org\springframework\spring-aop\5.1.7.RELEASE\spring-aop-5.1.7.RELEASE.jar;D:\MavenLocalStore\org\aspectj\aspectjweaver\1.9.4\aspectjweaver-1.9.4.jar;D:\MavenLocalStore\org\springframework\boot\spring-boot-starter-jdbc\2.1.5.RELEASE\spring-boot-starter-jdbc-2.1.5.RELEASE.jar;D:\MavenLocalStore\org\springframework\spring-jdbc\5.1.7.RELEASE\spring-jdbc-5.1.7.RELEASE.jar;D:\MavenLocalStore\javax\transaction\javax.transaction-api\1.3\javax.transaction-api-1.3.jar;D:\MavenLocalStore\javax\xml\bind\jaxb-api\2.3.1\jaxb-api-2.3.1.jar;D:\MavenLocalStore\javax\activation\javax.activation-api\1.2.0\javax.activation-api-1.2.0.jar;D:\MavenLocalStore\org\hibernate\hibernate-core\5.3.10.Final\hibernate-core-5.3.10.Final.jar;D:\MavenLocalStore\org\jboss\logging\jboss-logging\3.3.2.Final\jboss-logging-3.3.2.Final.jar;D:\MavenLocalStore\javax\persistence\javax.persistence-api\2.2\javax.persistence-api-2.2.jar;D:\MavenLocalStore\org\javassist\javassist\3.23.2-GA\javassist-3.23.2-GA.jar;D:\MavenLocalStore\net\bytebuddy\byte-buddy\1.9.12\byte-buddy-1.9.12.jar;D:\MavenLocalStore\antlr\antlr\2.7.7\antlr-2.7.7.jar;D:\MavenLocalStore\org\jboss\jandex\2.0.5.Final\jandex-2.0.5.Final.jar;D:\MavenLocalStore\com\fasterxml\classmate\1.4.0\classmate-1.4.0.jar;D:\MavenLocalStore\org\dom4j\dom4j\2.1.1\dom4j-2.1.1.jar;D:\MavenLocalStore\org\hibernate\common\hibernate-commons-annotations\5.0.4.Final\hibernate-commons-annotations-5.0.4.Final.jar;D:\MavenLocalStore\org\springframework\data\spring-data-jpa\2.1.8.RELEASE\spring-data-jpa-2.1.8.RELEASE.jar;D:\MavenLocalStore\org\springframework\data\spring-data-commons\2.1.8.RELEASE\spring-data-commons-2.1.8.RELEASE.jar;D:\MavenLocalStore\org\springframework\spring-orm\5.1.7.RELEASE\spring-orm-5.1.7.RELEASE.jar;D:\MavenLocalStore\org\springframework\spring-tx\5.1.7.RELEASE\spring-tx-5.1.7.RELEASE.jar;D:\MavenLocalStore\org\springframework\spring-aspects\5.1.7.RELEASE\spring-aspects-5.1.7.RELEASE.jar;D:\MavenLocalStore\org\springframework\boot\spring-boot-starter-data-mongodb\2.1.5.RELEASE\spring-boot-starter-data-mongodb-2.1.5.RELEASE.jar;D:\MavenLocalStore\org\springframework\boot\spring-boot-starter\2.1.5.RELEASE\spring-boot-starter-2.1.5.RELEASE.jar;D:\MavenLocalStore\org\springframework\boot\spring-boot-autoconfigure\2.1.5.RELEASE\spring-boot-autoconfigure-2.1.5.RELEASE.jar;D:\MavenLocalStore\org\springframework\boot\spring-boot-starter-logging\2.1.5.RELEASE\spring-boot-starter-logging-2.1.5.RELEASE.jar;D:\MavenLocalStore\ch\qos\logback\logback-classic\1.2.3\logback-classic-1.2.3.jar;D:\MavenLocalStore\ch\qos\logback\logback-core\1.2.3\logback-core-1.2.3.jar;D:\MavenLocalStore\org\apache\logging\log4j\log4j-to-slf4j\2.11.2\log4j-to-slf4j-2.11.2.jar;D:\MavenLocalStore\org\apache\logging\log4j\log4j-api\2.11.2\log4j-api-2.11.2.jar;D:\MavenLocalStore\org\slf4j\jul-to-slf4j\1.7.26\jul-to-slf4j-1.7.26.jar;D:\MavenLocalStore\javax\annotation\javax.annotation-api\1.3.2\javax.annotation-api-1.3.2.jar;D:\MavenLocalStore\org\yaml\snakeyaml\1.23\snakeyaml-1.23.jar;D:\MavenLocalStore\org\mongodb\mongodb-driver\3.8.2\mongodb-driver-3.8.2.jar;D:\MavenLocalStore\org\springframework\data\spring-data-mongodb\2.1.8.RELEASE\spring-data-mongodb-2.1.8.RELEASE.jar;D:\MavenLocalStore\org\springframework\spring-expression\5.1.7.RELEASE\spring-expression-5.1.7.RELEASE.jar;D:\MavenLocalStore\org\springframework\boot\spring-boot-starter-data-redis\2.1.5.RELEASE\spring-boot-starter-data-redis-2.1.5.RELEASE.jar;D:\MavenLocalStore\org\springframework\data\spring-data-redis\2.1.8.RELEASE\spring-data-redis-2.1.8.RELEASE.jar;D:\MavenLocalStore\org\springframework\data\spring-data-keyvalue\2.1.8.RELEASE\spring-data-keyvalue-2.1.8.RELEASE.jar;D:\MavenLocalStore\org\springframework\spring-oxm\5.1.7.RELEASE\spring-oxm-5.1.7.RELEASE.jar;D:\MavenLocalStore\io\lettuce\lettuce-core\5.1.6.RELEASE\lettuce-core-5.1.6.RELEASE.jar;D:\MavenLocalStore\io\netty\netty-common\4.1.36.Final\netty-common-4.1.36.Final.jar;D:\MavenLocalStore\io\netty\netty-handler\4.1.36.Final\netty-handler-4.1.36.Final.jar;D:\MavenLocalStore\io\netty\netty-buffer\4.1.36.Final\netty-buffer-4.1.36.Final.jar;D:\MavenLocalStore\io\netty\netty-codec\4.1.36.Final\netty-codec-4.1.36.Final.jar;D:\MavenLocalStore\io\netty\netty-transport\4.1.36.Final\netty-transport-4.1.36.Final.jar;D:\MavenLocalStore\io\netty\netty-resolver\4.1.36.Final\netty-resolver-4.1.36.Final.jar;D:\MavenLocalStore\io\projectreactor\reactor-core\3.2.9.RELEASE\reactor-core-3.2.9.RELEASE.jar;D:\MavenLocalStore\org\reactivestreams\reactive-streams\1.0.2\reactive-streams-1.0.2.jar;D:\MavenLocalStore\org\springframework\boot\spring-boot-starter-we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com.alice.springboot.AliceApplication
. ____ _ __ _ _
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v2.1.5.RELEASE)
2019-06-09 13:33:56.743 INFO 11312 --- [ main] com.alice.springboot.AliceApplication : Starting AliceApplication on AlicePlan with PID 11312 (D:\CodeFromGitV2\KiritoV1\aliceTest\target\classes started by SoraHoro in D:\CodeFromGitV2\KiritoV1\aliceTest)
2019-06-09 13:33:56.745 INFO 11312 --- [ main] com.alice.springboot.AliceApplication : No active profile set, falling back to default profiles: default
2019-06-09 13:33:57.213 INFO 11312 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Multiple Spring Data modules found, entering strict repository configuration mode!
2019-06-09 13:33:57.213 INFO 11312 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data repositories in DEFAULT mode.
2019-06-09 13:33:57.230 INFO 11312 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 12ms. Found 0 repository interfaces.
2019-06-09 13:33:57.243 INFO 11312 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Multiple Spring Data modules found, entering strict repository configuration mode!
2019-06-09 13:33:57.244 INFO 11312 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data repositories in DEFAULT mode.
2019-06-09 13:33:57.249 INFO 11312 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 5ms. Found 0 repository interfaces.
2019-06-09 13:33:57.256 INFO 11312 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Multiple Spring Data modules found, entering strict repository configuration mode!
2019-06-09 13:33:57.256 INFO 11312 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data repositories in DEFAULT mode.
2019-06-09 13:33:57.266 INFO 11312 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 5ms. Found 0 repository interfaces.
2019-06-09 13:33:57.476 INFO 11312 --- [ main] trationDelegate$BeanPostProcessorChecker : Bean 'org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration' of type [org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration$$EnhancerBySpringCGLIB$$1bd3893c] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
2019-06-09 13:33:57.642 INFO 11312 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8080 (http)
2019-06-09 13:33:57.655 INFO 11312 --- [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat]
2019-06-09 13:33:57.655 INFO 11312 --- [ main] org.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/9.0.19]
2019-06-09 13:33:57.752 INFO 11312 --- [ main] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext
2019-06-09 13:33:57.752 INFO 11312 --- [ main] o.s.web.context.ContextLoader : Root WebApplicationContext: initialization completed in 974 ms
2019-06-09 13:33:57.842 ERROR 11312 --- [ main] com.zaxxer.hikari.HikariConfig : HikariPool-1 - jdbcUrl is required with driverClassName.
2019-06-09 13:33:57.844 WARN 11312 --- [ main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Unsatisfied dependency expressed through method 'entityManagerFactory' parameter 0; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'entityManagerFactoryBuilder' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Unsatisfied dependency expressed through method 'entityManagerFactoryBuilder' parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'jpaVendorAdapter' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.orm.jpa.JpaVendorAdapter]: Factory method 'jpaVendorAdapter' threw exception; nested exception is java.lang.IllegalArgumentException: jdbcUrl is required with driverClassName.
2019-06-09 13:33:57.846 INFO 11312 --- [ main] o.apache.catalina.core.StandardService : Stopping service [Tomcat]
2019-06-09 13:33:57.853 INFO 11312 --- [ main] ConditionEvaluationReportLoggingListener :
Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2019-06-09 13:33:57.860 ERROR 11312 --- [ main] o.s.boot.SpringApplication : Application run failed
org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Unsatisfied dependency expressed through method 'entityManagerFactory' parameter 0; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'entityManagerFactoryBuilder' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Unsatisfied dependency expressed through method 'entityManagerFactoryBuilder' parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'jpaVendorAdapter' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.orm.jpa.JpaVendorAdapter]: Factory method 'jpaVendorAdapter' threw exception; nested exception is java.lang.IllegalArgumentException: jdbcUrl is required with driverClassName.
at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:769) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:509) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1321) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1160) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:555) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1105) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:867) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:549) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142) ~[spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775) [spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) [spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:316) [spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260) [spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248) [spring-boot-2.1.5.RELEASE.jar:2.1.5.RELEASE]
at com.alice.springboot.AliceApplication.main(AliceApplication.java:12) [classes/:na]
Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'entityManagerFactoryBuilder' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Unsatisfied dependency expressed through method 'entityManagerFactoryBuilder' parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'jpaVendorAdapter' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.orm.jpa.JpaVendorAdapter]: Factory method 'jpaVendorAdapter' threw exception; nested exception is java.lang.IllegalArgumentException: jdbcUrl is required with driverClassName.
at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:769) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:509) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1321) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1160) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:555) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:277) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1248) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1168) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:857) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:760) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
... 19 common frames omitted
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'jpaVendorAdapter' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.orm.jpa.JpaVendorAdapter]: Factory method 'jpaVendorAdapter' threw exception; nested exception is java.lang.IllegalArgumentException: jdbcUrl is required with driverClassName.
at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:627) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:456) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1321) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1160) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:555) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:277) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1248) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1168) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:857) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:760) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
... 33 common frames omitted
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.orm.jpa.JpaVendorAdapter]: Factory method 'jpaVendorAdapter' threw exception; nested exception is java.lang.IllegalArgumentException: jdbcUrl is required with driverClassName.
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:622) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
... 47 common frames omitted
Caused by: java.lang.IllegalArgumentException: jdbcUrl is required with driverClassName.
at com.zaxxer.hikari.HikariConfig.validate(HikariConfig.java:951) ~[HikariCP-3.2.0.jar:na]
at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:109) ~[HikariCP-3.2.0.jar:na]
at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:157) ~[spring-jdbc-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:115) ~[spring-jdbc-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:78) ~[spring-jdbc-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.jdbc.support.JdbcUtils.extractDatabaseMetaData(JdbcUtils.java:319) ~[spring-jdbc-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.jdbc.support.JdbcUtils.extractDatabaseMetaData(JdbcUtils.java:356) ~[spring-jdbc-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.boot.autoconfigure.orm.jpa.DatabaseLookup.getDatabase(DatabaseLookup.java:73) ~[spring-boot-autoconfigure-2.1.5.RELEASE.jar:2.1.5.RELEASE]
at org.springframework.boot.autoconfigure.orm.jpa.JpaProperties.determineDatabase(JpaProperties.java:142) ~[spring-boot-autoconfigure-2.1.5.RELEASE.jar:2.1.5.RELEASE]
at org.springframework.boot.autoconfigure.orm.jpa.JpaBaseConfiguration.jpaVendorAdapter(JpaBaseConfiguration.java:113) ~[spring-boot-autoconfigure-2.1.5.RELEASE.jar:2.1.5.RELEASE]
at org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaConfiguration$$EnhancerBySpringCGLIB$$3aaa4bab.CGLIB$jpaVendorAdapter$3() ~[spring-boot-autoconfigure-2.1.5.RELEASE.jar:2.1.5.RELEASE]
at org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaConfiguration$$EnhancerBySpringCGLIB$$3aaa4bab$$FastClassBySpringCGLIB$$e66d952c.invoke() ~[spring-boot-autoconfigure-2.1.5.RELEASE.jar:2.1.5.RELEASE]
at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:244) ~[spring-core-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:363) ~[spring-context-5.1.7.RELEASE.jar:5.1.7.RELEASE]
at org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaConfiguration$$EnhancerBySpringCGLIB$$3aaa4bab.jpaVendorAdapter() ~[spring-boot-autoconfigure-2.1.5.RELEASE.jar:2.1.5.RELEASE]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_201]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_201]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_201]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_201]
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154) ~[spring-beans-5.1.7.RELEASE.jar:5.1.7.RELEASE]
... 48 common frames omitted
Process finished with exit code 1
解决办法：
修改数据库配置文件的url属性，以前配置是写url，修改为jdbc-url就能够完美解决。
旧配置：
spring:
datasource:
test1:
url: jdbc:mysql://localhost:3306/alice_test?serverTimezone=CTT&useUnicode=true&characterEncoding=utf8
driverClassName: com.mysql.cj.jdbc.Driver
username: root
password: xxx
test2:
url: jdbc:mysql://localhost:3306/alice_test_two?serverTimezone=CTT&useUnicode=true&characterEncoding=utf8
driverClassName: com.mysql.cj.jdbc.Driver
username: root
password: xxx
mybatis:
mapper-locations: classpath:*/mapper/**.xml新配置：
spring:
datasource:
test1:
jdbc-url: jdbc:mysql://localhost:3306/alice_test?serverTimezone=CTT&useUnicode=true&characterEncoding=utf8
driverClassName: com.mysql.cj.jdbc.Driver
username: root
password: xxx
test2:
jdbc-url: jdbc:mysql://localhost:3306/alice_test_two?serverTimezone=CTT&useUnicode=true&characterEncoding=utf8
driverClassName: com.mysql.cj.jdbc.Driver
username: root
password: xxx
mybatis:
mapper-locations: classpath:*/mapper/**.xml