为什么我的 spring 启动应用程序无法访问哨兵提供的 redis 节点的服务，但 redis 节点实际上是健康的

Question

Platform: Windows 10 JDK: 11 Command to start redis and sentinel:

cd PATH_TO_REDIS\redis_s6379
redis-server.exe redis.windows.conf
redis-server.exe sentinel.conf --sentinel

Redis client: jedis

Detailed log

partial log

Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [io.micrometer.spring.web.servlet.WebMvcMetricsFilter]: Factory method 'webMetricsFilter' threw exception; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'endpointHandlerMapping' defined in class path resource [org/springframework/boot/actuate/autoconfigure/EndpointWebMvcManagementContextConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.boot.actuate.endpoint.mvc.EndpointHandlerMapping]: Factory method 'endpointHandlerMapping' threw exception; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'mvcEndpoints' defined in class path resource [org/springframework/boot/actuate/autoconfigure/EndpointWebMvcManagementContextConfiguration.class]: Invocation of init method failed; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'healthMvcEndpoint' defined in class path resource [org/springframework/boot/actuate/autoconfigure/EndpointWebMvcManagementContextConfiguration.class]: Unsatisfied dependency expressed through method 'healthMvcEndpoint' parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.boot.actuate.autoconfigure.EndpointAutoConfiguration': Bean instantiation via constructor failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.boot.actuate.autoconfigure.EndpointAutoConfiguration$$EnhancerBySpringCGLIB$$700f4ba6]: Constructor threw exception; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'org.springframework.boot.actuate.autoconfigure.HealthIndicatorAutoConfiguration$RedisHealthIndicatorConfiguration': Unsatisfied dependency expressed through constructor parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'jedisConnectionFactory' defined in class path resource [com/corp_name/corp_config/RedisConfig.class]: Invocation of init method failed; nested exception is redis.clients.jedis.exceptions.JedisConnectionException: All sentinels down, cannot determine where is mymaster master is running...

Answer 1

The solution for this one is to make sure your sentinel.conf file have the right config.

Add 127.0.0.1 redis-server in your host file. Use "redis-server" for both the configurations of file("redis.windows.conf") and file("sentinel.conf").

The above solution is inferred from reading the source code file of Connection.java.

redis/clients/jedis/Connection.java:184

Some prerequisite:

• windows doesn't support ping the host itself using ipv4 address but mac does.