配置数据源失败:没有指定'url'属性，无法配置嵌入式数据源

我正在用MongoDB做一个Spring Boot Batch示例，我已经启动了mongod服务器。

当我启动我的应用程序时，我得到下面的错误。

对这个问题有什么建议吗?

***************************
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


Action:

Consider the following:
    If you want an embedded database (H2, HSQL or Derby), please put it on the classpath.
    If you have database settings to be loaded from a particular profile you may need to activate it (no profiles are currently active).

application.properties:

# Mongo database URI. Cannot be set with host, port and credentials.
spring.data.mongodb.uri=mongodb://localhost/test

pom.xml

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

        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
    </dependencies>

我已经启动了mongod，输出如下:

C:\Users\pc>mongod
2018-07-07T14:39:39.223+0530 I JOURNAL  [initandlisten] journal dir=C:\data\db\journal
2018-07-07T14:39:39.230+0530 I JOURNAL  [initandlisten] recover : no journal files present, no recovery needed
2018-07-07T14:39:39.478+0530 I JOURNAL  [durability] Durability thread started
2018-07-07T14:39:39.589+0530 I CONTROL  [initandlisten] MongoDB starting : pid=11992 port=27017 dbpath=C:\data\db\ 64-bit host=DESKTOP-NQ639DU
2018-07-07T14:39:39.589+0530 I CONTROL  [initandlisten] targetMinOS: Windows 7/Windows Server 2008 R2
2018-07-07T14:39:39.591+0530 I CONTROL  [initandlisten] db version v3.0.5
2018-07-07T14:39:39.592+0530 I CONTROL  [initandlisten] git version: 8bc4ae20708dbb493cb09338d9e7be6698e4a3a3
2018-07-07T14:39:39.592+0530 I CONTROL  [initandlisten] build info: windows sys.getwindowsversion(major=6, minor=1, build=7601, platform=2, service_pack='Service Pack 1') BOOST_LIB_VERSION=1_49
2018-07-07T14:39:39.592+0530 I CONTROL  [initandlisten] allocator: tcmalloc
2018-07-07T14:39:39.593+0530 I CONTROL  [initandlisten] options: {}
2018-07-07T14:39:39.595+0530 I JOURNAL  [journal writer] Journal writer thread started
2018-07-07T14:39:40.485+0530 I NETWORK  [initandlisten] waiting for connections on port 27017
2018-07-07T14:40:39.140+0530 I NETWORK  [initandlisten] connection accepted from 127.0.0.1:51340 #1 (1 connection now open)
2018-07-07T14:40:41.663+0530 I NETWORK  [conn1] end connection 127.0.0.1:51340 (0 connections now open)
2018-07-07T14:45:12.421+0530 I NETWORK  [initandlisten] connection accepted from 127.0.0.1:51578 #2 (1 connection now open)
2018-07-07T14:45:12.870+0530 I NETWORK  [conn2] end connection 127.0.0.1:51578 (0 connections now open)
2018-07-07T14:46:21.734+0530 I NETWORK  [initandlisten] connection accepted from 127.0.0.1:51591 #3 (1 connection now open)
2018-07-07T14:46:22.041+0530 I NETWORK  [conn3] end connection 127.0.0.1:51591 (0 connections now open)
2018-07-07T14:57:47.523+0530 I NETWORK  [initandlisten] connection accepted from 127.0.0.1:52534 #4 (1 connection now open)
2018-07-07T14:57:47.910+0530 I NETWORK  [conn4] end connection 127.0.0.1:52534 (0 connections now open)

当前回答

如果您在pom.xml中添加了“spring-boot-start -data-jpa”依赖项，请在依赖项中添加相应的数据库，如h2等。

2020-08-11 06:46:32

其他回答

这可能是因为您有jpa依赖关系和插件……

如果不使用(build.;)Gradle或pom文件)

e . g。

// kotlin("plugin.jpa") version "1.3.61"

// implementation("org.springframework.boot:spring-boot-starter-data-jpa")

2020-03-23 11:23:03

" Failed to configure a DataSource "错误。首先，我们通过定义数据源来解决这个问题。接下来，我们讨论了如何在不配置数据源的情况下解决这个问题。

https://www.baeldung.com/spring-boot-failed-to-configure-data-source

2019-04-12 17:01:10

只需添加:@SpringBootApplication(exclude = {DataSourceAutoConfiguration.class}) 对我有用。

我得到相同的错误，我尝试@EnableAutoConfiguration(排除=…)没有工作。

对于那些想知道在哪里添加@SpringBootApplication(exclude = {DataSourceAutoConfiguration.class})的人，因为它已经被用户问到了。你需要把它添加到主应用程序类，它在src>main>java下。默认情况下，它被设置为@SpringBootApplication

2019-10-01 11:21:56

检查你的application.properties

改变

spring.datasource.driverClassName=com.mysql.jdbc.Driver

spring.datasource.driver-class-name=com.mysql.jdbc.Driver

为我工作。完整的配置:

spring.datasource.url=jdbc:mysql://localhost:3306/db
spring.datasource.username=
spring.datasource.password=   
spring.datasource.driver-class-name=com.mysql.jdbc.Driver
spring.jpa.database-platform = org.hibernate.dialect.MySQL5Dialect
spring.jpa.generate-ddl=true
spring.jpa.hibernate.ddl-auto = update

2018-09-18 13:14:30

您需要配置数据库驱动程序和JDBC连接属性来修复此异常。配置数据源失败:没有指定' url '属性，无法配置嵌入式数据源。原因:无法确定合适的驱动程序类别。

application.properties

spring.autoconfigure.exclude=org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration

2021-03-06 21:21:48

配置数据源失败:没有指定'url'属性，无法配置嵌入式数据源

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