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有没有人试过在 spring-boot 中禁用 mongodb 的自动配置？
我正在尝试使用 spring-data-mongodb 进行 spring-boot；使用基于java的配置；使用 spring-boot 1.2.1.RELEASE，我导入 spring-boot-starter-web 及其父 pom 以进行依赖管理。我还导入了 spring-data-mongodb（也尝试了 spring-boot-starter-mongodb）。
我需要连接到两个不同的 MongoDB 服务器。所以我需要为 mongo 连接、MongoTemplate 等配置两组实例。 我还想禁用自动配置。因为我连接到多个服务器，所以我不需要自动配置一个默认的 MongoTemplate 和 GridFsTemplate bean。
我的主要课程如下所示：
@Configuration
@EnableAutoConfiguration(exclude={MongoAutoConfiguration.class, MongoDataAutoConfiguration.class})
@ComponentScan
//@SpringBootApplication
public class MainRunner {
public static void main(String[] args) {
SpringApplication.run(MainRunner.class, args);
}
}
我的两个 mongo 配置类如下所示：
@Configuration
@EnableMongoRepositories(basePackageClasses = {Test1Repository.class},
mongoTemplateRef = "template1",
includeFilters = {@ComponentScan.Filter(type = FilterType.REGEX, pattern = ".*Test1Repository")}
)
public class Mongo1Config {
@Bean
public Mongo mongo1() throws UnknownHostException {
return new Mongo("localhost", 27017);
}
@Primary
@Bean
public MongoDbFactory mongoDbFactory1() throws UnknownHostException {
return new SimpleMongoDbFactory(mongo1(), "test1");
}
@Primary
@Bean
public MongoTemplate template1() throws UnknownHostException {
return new MongoTemplate(mongoDbFactory1());
}
}
和
@Configuration
@EnableMongoRepositories(basePackageClasses = {Test2Repository.class},
mongoTemplateRef = "template2",
includeFilters = {@ComponentScan.Filter(type = FilterType.REGEX, pattern = ".*Test2Repository")}
)
public class Mongo2Config {
@Bean
public Mongo mongo2() throws UnknownHostException {
return new Mongo("localhost", 27017);
}
@Bean
public MongoDbFactory mongoDbFactory2() throws UnknownHostException {
return new SimpleMongoDbFactory(mongo2(), "test2");
}
@Bean
public MongoTemplate template2() throws UnknownHostException {
return new MongoTemplate(mongoDbFactory2());
}
}
使用此设置，一切正常。如果我从 mongoDbFactory1 和 template1 bean 中删除 @Primary 注释，应用程序将失败并出现似乎自动配置未被禁用的异常。下面列出了异常消息：
org.springframework.context.ApplicationContextException: Unable to start embedded container; nested exception is org.springframework.boot.context.embedded.EmbeddedServletContainerException: Unable to start embedded Tomcat
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.onRefresh(EmbeddedWebApplicationContext.java:133)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:474)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:118)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:691)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:321)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:961)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:950)
at com.fourexpand.buzz.web.api.template.MainRunner.main(MainRunner.java:26)
Caused by: org.springframework.boot.context.embedded.EmbeddedServletContainerException: Unable to start embedded Tomcat
at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainer.initialize(TomcatEmbeddedServletContainer.java:98)
at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainer.<init>(TomcatEmbeddedServletContainer.java:75)
at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory.getTomcatEmbeddedServletContainer(TomcatEmbeddedServletContainerFactory.java:378)
at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory.getEmbeddedServletContainer(TomcatEmbeddedServletContainerFactory.java:155)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.createEmbeddedServletContainer(EmbeddedWebApplicationContext.java:157)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.onRefresh(EmbeddedWebApplicationContext.java:130)
... 7 common frames omitted
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.boot.autoconfigure.web.WebMvcAutoConfiguration$WebMvcAutoConfigurationAdapter': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: private org.springframework.core.io.ResourceLoader org.springframework.boot.autoconfigure.web.WebMvcAutoConfiguration$WebMvcAutoConfigurationAdapter.resourceLoader; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'gridFsTemplate' defined in class path resource [org/springframework/boot/autoconfigure/mongo/MongoDataAutoConfiguration.class]: Unsatisfied dependency expressed through constructor argument with index 0 of type [org.springframework.data.mongodb.MongoDbFactory]: : No qualifying bean of type [org.springframework.data.mongodb.MongoDbFactory] is defined: expected single matching bean but found 2: mongoDbFactory2,mongoDbFactory1; nested exception is org.springframework.beans.factory.NoUniqueBeanDefinitionException: No qualifying bean of type [org.springframework.data.mongodb.MongoDbFactory] is defined: expected single matching bean but found 2: mongoDbFactory2,mongoDbFactory1
原文由 im__ 发布，翻译遵循 CC BY-SA 4.0 许可协议
java
正如 Andy Wilkinson 在评论中指出的那样，在将 EnableAutoConfiguration 与排除列表一起使用时，请确保没有其他类使用 EnableAutoConfiguration 或 SpringBootApplication 进行注释。