spring boot 2 的 Redis 健康检查挂起
Redis health check for spring boot 2 hangs
我在我的 spring boot 2.1.5 应用程序中实现了一些 redis 的东西。它工作正常。
我也想要 redis 的健康检查。如果我关闭 redis 服务器,健康检查 (actuator/health) 将永远挂起。
如何配置合理的超时?
我在这里创建了这个问题的一个小演示:
https://github.com/markuskruse/demo-redis-health-bug
克隆,运行,停止redis,检查健康状况(永远等待),启动redis(健康状况returns)。
这是我的 gradle for redis:
implementation 'org.springframework.boot:spring-boot-starter-data-redis'
这是我的 application.yaml:
spring:
redis:
timeout: 5000
host: localhost
这是我的RedisConfig.java
@Configuration
@EnableConfigurationProperties(RedisProperties.class)
public class RedisConfig {
@Bean
public LettuceConnectionFactory redisConnectionFactory(
@Value("${spring.redis.host:localhost}") String redisHost) {
RedisStandaloneConfiguration redisStandaloneConfiguration =
new RedisStandaloneConfiguration(redisHost);
return new LettuceConnectionFactory(redisStandaloneConfiguration);
}
@Bean
public StringRedisTemplate redisTemplate(RedisConnectionFactory jedisConnectionFactory) {
final StringRedisTemplate template = new StringRedisTemplate();
template.setConnectionFactory(jedisConnectionFactory);
template.afterPropertiesSet();
return template;
}
}
根据 github 上的这个问题,这只是一个配置问题:
https://github.com/spring-projects/spring-boot/issues/15542
根据这个 jira ticket,它应该在 spring boot 2.1.4(我在 2.1.5)中修复。
https://jira.spring.io/browse/DATAREDIS-918
他们提到了我尝试过的解决方法:
@Bean
public ClientOptions clientOptions() {
return ClientOptions.builder()
.timeoutOptions(TimeoutOptions.enabled())
.build();
}
它本身没有任何作用。我必须将它注入某处。谷歌搜索给出了这个:
@Bean
LettucePoolingClientConfiguration lettucePoolConfig(ClientOptions options, ClientResources dcr){
return LettucePoolingClientConfiguration.builder()
.clientOptions(options)
.clientResources(dcr)
.build();
}
然后我明白了:
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.data.redis.connection.lettuce.LettucePoolingClientConfiguration]: Factory method 'lettucePoolConfig' threw exception; nested exception is java.lang.NoClassDefFoundError: org/apache/commons/pool2/impl/GenericObjectPoolConfig
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185)
at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:622)
... 50 more
Caused by: java.lang.NoClassDefFoundError: org/apache/commons/pool2/impl/GenericObjectPoolConfig
at org.springframework.data.redis.connection.lettuce.LettucePoolingClientConfiguration$LettucePoolingClientConfigurationBuilder.<init>(LettucePoolingClientConfiguration.java:91)
at org.springframework.data.redis.connection.lettuce.LettucePoolingClientConfiguration.builder(LettucePoolingClientConfiguration.java:50)
at com.ikea.cps.mhs.config.RedisConfig.lettucePoolConfig(RedisConfig.java:50)
at com.ikea.cps.mhs.config.RedisConfig$$EnhancerBySpringCGLIB$04d114.CGLIB$lettucePoolConfig(<generated>)
at com.ikea.cps.mhs.config.RedisConfig$$EnhancerBySpringCGLIB$04d114$$FastClassBySpringCGLIB$$ccabed80.invoke(<generated>)
at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:244)
at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:363)
at com.ikea.cps.mhs.config.RedisConfig$$EnhancerBySpringCGLIB$04d114.lettucePoolConfig(<generated>)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154)
... 51 more
Caused by: java.lang.ClassNotFoundException: org.apache.commons.pool2.impl.GenericObjectPoolConfig
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:583)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
... 64 more
我也许可以解决这个问题。但我认为我做的事情(从根本上)是错误的。它应该已经修复了。
编辑:我添加了公共池,错误消失了,但健康检查仍然永远挂起。
下面这个我也试过了,没效果。
@Component
public class RedisConfigurer implements LettuceClientConfigurationBuilderCustomizer {
@Override
public void customize(LettuceClientConfigurationBuilder builder) {
builder.clientOptions(ClientOptions.builder()
.timeoutOptions(TimeoutOptions.enabled(Duration.of(5, SECONDS))).build());
}
}
您的问题似乎出在手动连接工厂配置中。
如果您删除该部分,一切都会如您所料。
否则你需要为 LettuceConnectionFactory
构造函数的第二个参数提供一个 LettuceClientConfiguration
并且你可以在那里配置 ClientOptions
启用 TimeoutOptions
我在我的 spring boot 2.1.5 应用程序中实现了一些 redis 的东西。它工作正常。 我也想要 redis 的健康检查。如果我关闭 redis 服务器,健康检查 (actuator/health) 将永远挂起。 如何配置合理的超时?
我在这里创建了这个问题的一个小演示: https://github.com/markuskruse/demo-redis-health-bug
克隆,运行,停止redis,检查健康状况(永远等待),启动redis(健康状况returns)。
这是我的 gradle for redis:
implementation 'org.springframework.boot:spring-boot-starter-data-redis'
这是我的 application.yaml:
spring:
redis:
timeout: 5000
host: localhost
这是我的RedisConfig.java
@Configuration
@EnableConfigurationProperties(RedisProperties.class)
public class RedisConfig {
@Bean
public LettuceConnectionFactory redisConnectionFactory(
@Value("${spring.redis.host:localhost}") String redisHost) {
RedisStandaloneConfiguration redisStandaloneConfiguration =
new RedisStandaloneConfiguration(redisHost);
return new LettuceConnectionFactory(redisStandaloneConfiguration);
}
@Bean
public StringRedisTemplate redisTemplate(RedisConnectionFactory jedisConnectionFactory) {
final StringRedisTemplate template = new StringRedisTemplate();
template.setConnectionFactory(jedisConnectionFactory);
template.afterPropertiesSet();
return template;
}
}
根据 github 上的这个问题,这只是一个配置问题: https://github.com/spring-projects/spring-boot/issues/15542
根据这个 jira ticket,它应该在 spring boot 2.1.4(我在 2.1.5)中修复。 https://jira.spring.io/browse/DATAREDIS-918
他们提到了我尝试过的解决方法:
@Bean
public ClientOptions clientOptions() {
return ClientOptions.builder()
.timeoutOptions(TimeoutOptions.enabled())
.build();
}
它本身没有任何作用。我必须将它注入某处。谷歌搜索给出了这个:
@Bean
LettucePoolingClientConfiguration lettucePoolConfig(ClientOptions options, ClientResources dcr){
return LettucePoolingClientConfiguration.builder()
.clientOptions(options)
.clientResources(dcr)
.build();
}
然后我明白了:
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.data.redis.connection.lettuce.LettucePoolingClientConfiguration]: Factory method 'lettucePoolConfig' threw exception; nested exception is java.lang.NoClassDefFoundError: org/apache/commons/pool2/impl/GenericObjectPoolConfig
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185)
at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:622)
... 50 more
Caused by: java.lang.NoClassDefFoundError: org/apache/commons/pool2/impl/GenericObjectPoolConfig
at org.springframework.data.redis.connection.lettuce.LettucePoolingClientConfiguration$LettucePoolingClientConfigurationBuilder.<init>(LettucePoolingClientConfiguration.java:91)
at org.springframework.data.redis.connection.lettuce.LettucePoolingClientConfiguration.builder(LettucePoolingClientConfiguration.java:50)
at com.ikea.cps.mhs.config.RedisConfig.lettucePoolConfig(RedisConfig.java:50)
at com.ikea.cps.mhs.config.RedisConfig$$EnhancerBySpringCGLIB$04d114.CGLIB$lettucePoolConfig(<generated>)
at com.ikea.cps.mhs.config.RedisConfig$$EnhancerBySpringCGLIB$04d114$$FastClassBySpringCGLIB$$ccabed80.invoke(<generated>)
at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:244)
at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:363)
at com.ikea.cps.mhs.config.RedisConfig$$EnhancerBySpringCGLIB$04d114.lettucePoolConfig(<generated>)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154)
... 51 more
Caused by: java.lang.ClassNotFoundException: org.apache.commons.pool2.impl.GenericObjectPoolConfig
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:583)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
... 64 more
我也许可以解决这个问题。但我认为我做的事情(从根本上)是错误的。它应该已经修复了。
编辑:我添加了公共池,错误消失了,但健康检查仍然永远挂起。
下面这个我也试过了,没效果。
@Component
public class RedisConfigurer implements LettuceClientConfigurationBuilderCustomizer {
@Override
public void customize(LettuceClientConfigurationBuilder builder) {
builder.clientOptions(ClientOptions.builder()
.timeoutOptions(TimeoutOptions.enabled(Duration.of(5, SECONDS))).build());
}
}
您的问题似乎出在手动连接工厂配置中。
如果您删除该部分,一切都会如您所料。
否则你需要为 LettuceConnectionFactory
构造函数的第二个参数提供一个 LettuceClientConfiguration
并且你可以在那里配置 ClientOptions
启用 TimeoutOptions