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

我已经在spring引导应用程序的主类上添加了这个注释，一切都运行正常

@SpringBootApplication(exclude = {DataSourceAutoConfiguration.class })

2019-12-22 12:07:15

其他回答

如果数据源是在应用程序中定义的。资源，确保它位于src/main下面，并将其添加到构建路径。

2019-11-15 03:33:11

这并不是问题的关键(虽然可能是相关的)，但是，如果您引导一个新项目，并想知道为什么会得到相同的错误，它可能来自依赖项部分spring-boot-start -data-jpa的artifactId。我在下面给出了依赖关系。您将需要定义数据库来消除这种情况。

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

2019-02-26 19:26:57

在pom.xml文件中始终保持更新后的spring框架版本。我用spring框架2.5.5版本创建了一个项目，当时运行得很好。几个月后，我发现它不能正常工作。然后我放了最新版本的spring框架。这样就有用了。

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>Updated version</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>

2021-12-31 17:50:34

我已经在spring引导应用程序的主类上添加了这个注释，一切都运行正常

@SpringBootApplication(exclude = {DataSourceAutoConfiguration.class })

2019-12-22 12:07:15

当我在IDE / STS(弹簧工具套装)运行项目时，一切都很好。但这是我做罐子时扔的。

应用程序中不必要的空格。“Yml”文件会导致这种情况。

server:
  port: 8085


spring:
 datasource:
  url: jdbc:mysql://localhost:3306/studentdb
  username: root
  password: root
  driver-class-name: com.mysql.cj.jdbc.Driver
 jpa:
   hibernate:
    ddl-auto: update
   show-sql: true
   database-platform: org.hibernate.dialect.MySQL5InnoDBDialect
 application:
  name: STUDENT-SERVICE

而不是调整我的“应用程序”。yml”文件我只是在“应用程序”中移动了所有的语句。Yml "文件到 ”应用程序。“Properties”文件，并按照“. Properties”中的要求格式化语句。

spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
spring.datasource.url=jdbc:mysql://localhost:3306/studentdb
spring.datasource.username=root
spring.datasource.password=root
spring.jpa.hibernate.ddl-auto = update
spring.jpa.properties.hibernate.dialect = org.hibernate.dialect.MySQL5Dialect

spring.jpa.show-sql=true
spring.jpa.properties.hibernate.format.sql=true

spring.application.name=student-service

server.port=8085

(你可以在url的末尾添加参数) (spring.datasource.url = jdbc: mysql: / / localhost: 3306 / studentdb ? allowPublicKeyRetrieval = true&useSSL = false)

and瞧

2022-03-29 05:34:58

配置数据源失败:没有指定'url'属性，无法配置嵌入式数据源

推荐文章

最新文章

标签