spriing boot 启动报错：Cannot determine embedded database driver class for database type NONE

迈不过友情╰ 2022-03-17 08:22 181阅读 0赞

# [spriing boot 启动报错：Cannot determine embedded database driver class for database type NONE][spriing boot _Cannot determine embedded database driver class for database type NONE] #

最近在学习使用spring boot。使用maven创建好工程，只引用需要用到的spring boot相关的jar包,除此之外没有任何的配置。

写了一个最简单的例子，如下所示:

![复制代码][copycode.gif]

1 package com.torlight;
     2 
     3 import org.springframework.boot.SpringApplication;
     4 import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
     5 import org.springframework.boot.autoconfigure.SpringBootApplication;
     6 import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;
     7 import org.springframework.context.ApplicationContext;
     8 import org.springframework.context.ConfigurableApplicationContext;
     9 
    10 
    11 /**
    12  * @since 2017.05.06
    13  * @author acer
    14  *
    15  */
    16 @SpringBootApplication
    17 public class Application {
    18     
    19     public static void main(String[] args) {
    20         ApplicationContext appctx= SpringApplication.run(Application.class,args);
    21         
    22         System.out.println("appctx.getBeanDefinitionCount="+appctx.getBeanDefinitionCount());
    23         try {
    24             ((ConfigurableApplicationContext)appctx).close();
    25         } catch (Exception e) { /*ignore*/ }
    26     }
    27 }

![复制代码][copycode.gif]

运行程序后，控制台输出错误日志：

017-05-06 22:44:18.868 WARN 41648 --- \[ restartedMain\] ationConfigEmbeddedWebApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource \[org/springframework/boot/autoconfigure/jdbc/DataSourceConfiguration$Tomcat.class\]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate \[org.apache.tomcat.jdbc.pool.DataSource\]: Factory method 'dataSource' threw exception; nested exception is org.springframework.boot.autoconfigure.jdbc.DataSourceProperties$DataSourceBeanCreationException: Cannot determine embedded database driver class for database type NONE. If you want an embedded database please put a supported one on the classpath. If you have database settings to be loaded from a particular profile you may need to active it (no profiles are currently active).  
2017-05-06 22:44:18.871 INFO 41648 --- \[ restartedMain\] o.apache.catalina.core.StandardService : Stopping service Tomcat  
2017-05-06 22:44:18.902 INFO 41648 --- \[ restartedMain\] utoConfigurationReportLoggingInitializer :

Error starting ApplicationContext. To display the auto-configuration report re-run your application with 'debug' enabled.  
2017-05-06 22:44:18.907 ERROR 41648 --- \[ restartedMain\] o.s.b.d.LoggingFailureAnalysisReporter :

\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*  
APPLICATION FAILED TO START  
\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*

Description:

Cannot determine embedded database driver class for database type NONE

Action:

If you want an embedded database please put a supported one on the classpath. If you have database settings to be loaded from a particular profile you may need to active it (no profiles are currently active).

这是因为spring boot默认会加载org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration类，DataSourceAutoConfiguration类使用了@Configuration注解向spring注入了dataSource bean。因为工程中没有关于dataSource相关的配置信息，当spring创建dataSource bean因缺少相关的信息就会报错。

因为我仅仅只是使用spring boot来写一些很简单的例子来学习它，在Application类上增加@EnableAutoConfiguration(exclude=\{DataSourceAutoConfiguration.class\})

阻止spring boot自动注入dataSource bean

![复制代码][copycode.gif]

1 package com.torlight;
     2 
     3 import org.springframework.boot.SpringApplication;
     4 import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
     5 import org.springframework.boot.autoconfigure.SpringBootApplication;
     6 import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;
     7 import org.springframework.context.ApplicationContext;
     8 import org.springframework.context.ConfigurableApplicationContext;
     9 
    10 
    11 /**
    12  * @since 2017.05.06
    13  * @author acer
    14  *
    15  */
    16 @SpringBootApplication
    17 @EnableAutoConfiguration(exclude={DataSourceAutoConfiguration.class})
    18 public class Application {
    19     
    20     public static void main(String[] args) {
    21         ApplicationContext appctx= SpringApplication.run(Application.class,args);
    22         
    23         System.out.println("appctx.getBeanDefinitionCount="+appctx.getBeanDefinitionCount());
    24         try {
    25             ((ConfigurableApplicationContext)appctx).close();
    26         } catch (Exception e) { /*ignore*/ }
    27     }
    28 }

![复制代码][copycode.gif]

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posted @ 2017-05-06 23:05 [来自非洲大草原的食人虎][Link 3] 阅读(81879) 评论(4) [编辑][Link 4] [收藏][Link 5]

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[\#1楼][1] 2017-06-01 16:32 [我头像会动][Link 6] [ ][Link 7]

用了这个注解，就包另外的错了，不好使

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[\#2楼][2] 2017-12-15 10:38 [水寒03][03] [ ][Link 8]

除了在入口加上这个注解之外，还要在自己写的controller里面加上这个注解才能正常启动  
@RestController  
@EnableAutoConfiguration(exclude=\{DataSourceAutoConfiguration.class\})  
public class IndexController \{

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[\#3楼][3] 2018-06-04 12:15 [规格严格-功夫到家][-] [ ][Link 9]

en ,学习了！！

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[\#4楼][4] 2019-02-15 14:32 [weiqi101][] [ ][Link 10]

@SpringBootApplication(exclude = \{DataSourceAutoConfiguration.class\})  
报错的试下这样写

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