Maven 无法找到“url”；未指定属性且未嵌入
我有 Spring Boot 应用程序，我尝试连接到本地数据库。我可以将该文件作为常规 Java 文件运行，并且它连接到数据库时不会出现错误。但是，当我运行 mvn clean spring-boot:run 时，它会打印以下输出。
***************************
APPLICATION FAILED TO START
***************************
Description:
Failed to configure a DataSource: 'url' attribute is not specified and no embedded datasource could be configured.
Reason: Failed to determine a suitable driver class
在我的 pom.xml 中，
<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
<scope>runtime</scope>
</dependency>
我检查了 Maven 依赖项，并且 postgresql-42.2.19.jar 就在其中。
在我的 application-default.yml 中，我有
spring:
datasource:
driverClassName: org.postgresql.Driver
url: jdbc:postgresql://localhost:5432/pharmacy
username: ****
password: ****
platform: postgresql
initialize: false
continue-on-error: false
这样的建议 https://www.baeldung.com/spring-boot-failed-to-configure-data-source
I have Spring Boot application that I try to connect to my local database. I can run the file as a regular Java file and it connects to the database with no error. However, when I run mvn clean spring-boot:run it prints the following output.
***************************
APPLICATION FAILED TO START
***************************
Description:
Failed to configure a DataSource: 'url' attribute is not specified and no embedded datasource could be configured.
Reason: Failed to determine a suitable driver class
In my pom.xml I have
<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
<scope>runtime</scope>
</dependency>
I checked the Maven dependencies and postgresql-42.2.19.jar is in there.
In my application-default.yml I have as
spring:
datasource:
driverClassName: org.postgresql.Driver
url: jdbc:postgresql://localhost:5432/pharmacy
username: ****
password: ****
platform: postgresql
initialize: false
continue-on-error: false
This is suggested by https://www.baeldung.com/spring-boot-failed-to-configure-data-source
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您在
application-default.yml中有数据库属性，只有当您使用“默认”spring 配置文件时才会激活该属性。因此，要么使用“默认”spring 配置文件（不是 maven 配置文件），要么将属性移动到
application.yml，无论您是否使用任何配置文件，默认情况下都会使用它。You are having database properties in
application-default.ymlwhich only will be activated when you use "default" spring profile.So, either use "default" spring profile (not maven profile) or move the properties to
application.ymlwhich will be used by default whether you use any profiles or not.