无法自动配置数据源：未指定“ spring.datasource.url”

  • Z时代
  • 2024-01-10
  • 分类：问答

我已经从 创建了一个具有Web，MongoDB和JPA依赖关系的基本Spring Boot应用程序。

当我尝试运行spring boot应用程序时，出现以下异常：

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2018-03-25 16:27:02.807 ERROR 16256 --- [  restartedMain] o.s.b.d.LoggingFailureAnalysisReporter   :
***************************
APPLICATION FAILED TO START
***************************
Description:
Failed to auto-configure a DataSource: 'spring.datasource.url' is not specified and no embedded datasource could be auto-configured.
Reason: Failed to determine a suitable driver class
Action:
Consider the following situation:
If you want an embedded database like H2, HSQL or Derby, please add it in the Classpath.
If you have database settings to be loaded from a particular profile you may need to activate it since no profiles were currently active.

在application.properties文件中，我具有以下配置：

server.port=8081
spring.data.mongodb.database=TestDatabase
spring.data.mongodb.host=localhost
spring.data.mongodb.port=27017

Spring：5.0.4，MongoDB：3.6，Spring Boot：2.0

回答：

由于您已在pom.xml文件中添加了mongodb和data-jpa依赖项，因此它会产生如下所示的依赖项冲突

<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-mongodb</artifactId>
</dependency>

尝试删除jpa依赖项并运行。它应该工作正常。

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