我已经为带有数据库测试的 spring 启动执行器创建了示例项目。当我点击 URL 运行应用程序后
- 当 Mongo DB 运行时
- 网址:http://localhost:8080/health
- 回应: `{"status":"UP","diskSpace":{"status":"UP","total":493767094272,"free":404928278528,"threshold":10485760},"mongo":{"status":"UP","版本":"3.0.2"}}
`
- 当 Mongo DB 未运行时
- 网址: http://localhost:8080/health
响应:
{"status":"DOWN","diskSpace":{"status":"UP","total":493767094272,"free":404929720320,"threshold":10485760},"mongo":{"status":"DOWN","error":"org.springframework.dao.DataAccessResourceFailureException: 在等待与 ReadPreferenceServerSelector{readPreference=primary} 匹配的服务器时 30000 毫秒后超时。集群状态的客户端 View 是 {type=UNKNOWN, servers=[{address=localhost:27017, type=UNKNOWN, state=CONNECTING, exception={com.mongodb.MongoSocketOpenException: Exception opening socket}, caused by {java.net.ConnectException: Connection refused: connect}}];嵌套异常是 com.mongodb.MongoTimeoutException:WAITING与 ReadPreferenceServerSelector{readPreference=primary} 匹配的服务器时 30000 毫秒后超时。集群状态的客户端 View 是 {type=UNKNOWN,servers=[{address=localhost:27017,type=未知,状态=连接,异常={com.mongodb.MongoSocketOpenException:异常打开套接字},由{java.net.ConnectException:连接拒绝sed: 连接}}]"}}
问题:为什么当我的 mongodb 没有运行时应用程序状态为“DOWN”。我希望我的应用程序状态为“UP”天气 mongodb 为“DOWN”或“UP”。
下面是我的 spring boot 应用程序的主类。
package com.company.testing;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class Application {
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
}
pom.xml
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>SpringBootSample</artifactId>
<version>0.0.1</version>
<name>Spring Boot Sample</name>
<description>Spring Boot Sample for spring boot actuator</description>
<groupId>com.company.testing</groupId>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.4.3.RELEASE</version>
</parent>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-mongodb</artifactId>
</dependency>
</dependencies>
<properties>
<java.version>1.8</java.version>
</properties>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
最佳答案
application.properties
management.health.mongo.enabled=false
endpoints.mongo.enabled=true
MongoDBHealthCheckEndPoint.java
@ConfigurationProperties(prefix = "endpoints.mongo", ignoreUnknownFields = true)
@Component
public class MongoDBHealthCheckEndPoint extends AbstractEndpoint<Map<String, String>>
{
@Inject
MongoTemplate mongoTemplate;
private static final Logger log = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
private static final Map<String, String> UP = new HashMap<String, String>() {{
put("mongo.status", "UP");
}};
private static final Map<String, String> DOWN = new HashMap<String, String>() {{
put("mongo.status", "DOWN");
}};
public MongoDBHealthCheckEndPoint() {
super("mongo", false);
}
public MongoDBHealthCheckEndPoint(Map<String, ? extends Object> mongo) {
super("mongo", false);
}
public Map<String, String> invoke() {
try {
return (new MongoHealthIndicator(mongoTemplate).health().getStatus().equals(Status.UP)) ? UP : DOWN;
} catch (Exception e) {
log.error("mongo database is down", e);
return DOWN;
}
}
关于java - 应用程序状态下降,当 mongo 因 spring boot actuator 而下降时,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/41803253/