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spring-boot-starter-dubbo-health-indicator's Introduction

实现对依赖dubbo服务的可用性检测

How to use?

依赖

<dependency>
    <groupId>com.wacai</groupId>
    <artifactId>spring-boot-starter-dubbo-health-indicator</artifactId>
    <version>1.0.0</version>
</dependency>

结果展示

通过jmx 访问时heathcheck 时，可以看到类似下面的结果:

"dubbo":{
{
    "newHolidaysService": {
        "interface": "com.wacai.service.holidays.service.HolidaysService",
        "status": "UP"
    },
    "areaService": {
        "interface": "com.wac.common.area.share.AreaService",
        "status": "UP"
    },
    "bankService": {
        "interface": "com.wac.common.bank.share.BankService",
        "status": "UP"
    },
    "status": "UP"
}

"UP" 表示所有服务都available。 只要有一个服务不可访问到，最外层的status 就是"DOWN"

spring-boot-starter-dubbo-health-indicator's People

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Forkers

universsky chakra-coder rucky2013 husttom xiongeee ycaihua tyxing007 ilaotan feixueck lilizice tanfeng112 ding112

spring-boot-starter-dubbo-health-indicator's Issues

启动报java.lang.NullPointerException

根据readme做了个测试项目，一启动就报错。

2016-02-03 10:07:57.241  INFO 11996 --- [           main] com.luoan.showcase.Application           : Starting Application on fanjun-PC with PID 11996 (E:\share\ws_ms\spring-boot-test\target\classes started by fanjun in E:\share\ws_ms\spring-boot-test)
2016-02-03 10:07:57.341  INFO 11996 --- [           main] o.s.b.f.xml.XmlBeanDefinitionReader      : Loading XML bean definitions from file [E:\share\ws_ms\spring-boot-test\target\classes\dubbo\dubbo-provider-1.xml]
2016-02-03 10:07:57.934  INFO 11996 --- [           main] c.a.dubbo.common.logger.LoggerFactory    : using logger: com.alibaba.dubbo.common.logger.log4j.Log4jLoggerAdapter
2016-02-03 10:07:58.095  INFO 11996 --- [           main] s.c.a.AnnotationConfigApplicationContext : Refreshing org.springframework.context.annotation.AnnotationConfigApplicationContext@27808f31: startup date [Wed Feb 03 10:07:58 CST 2016]; root of context hierarchy
2016-02-03 10:08:00.236  WARN 11996 --- [           main] s.c.a.AnnotationConfigApplicationContext : Exception encountered during context initialization - cancelling refresh attempt
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dubboHealthIndicator' defined in class path resource [com/wacai/springboot/dubbo/health/autocfg/DubboHealthIndicatorConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.boot.actuate.health.HealthIndicator]: Factory method 'dubboHealthIndicator' threw exception; nested exception is java.lang.NullPointerException
    at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:599)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1119)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1014)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:504)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476)
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:303)
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:755)
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:757)
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:480)
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:686)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:320)
    at com.luoan.showcase.Application.main(Application.java:16)
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.boot.actuate.health.HealthIndicator]: Factory method 'dubboHealthIndicator' threw exception; nested exception is java.lang.NullPointerException
    at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:189)
    at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:588)
    ... 14 common frames omitted
Caused by: java.lang.NullPointerException: null
    at com.wacai.springboot.dubbo.health.autocfg.DubboHealthIndicatorConfiguration.dubboHealthIndicator(DubboHealthIndicatorConfiguration.java:28)
    at com.wacai.springboot.dubbo.health.autocfg.DubboHealthIndicatorConfiguration$$EnhancerBySpringCGLIB$$88f5f1e2.CGLIB$dubboHealthIndicator$0(<generated>)
    at com.wacai.springboot.dubbo.health.autocfg.DubboHealthIndicatorConfiguration$$EnhancerBySpringCGLIB$$88f5f1e2$$FastClassBySpringCGLIB$$50e32fc5.invoke(<generated>)
    at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:228)
    at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:309)
    at com.wacai.springboot.dubbo.health.autocfg.DubboHealthIndicatorConfiguration$$EnhancerBySpringCGLIB$$88f5f1e2.dubboHealthIndicator(<generated>)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:497)
    at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:162)
    ... 15 common frames omitted

2016-02-03 10:08:00.241  INFO 11996 --- [           main] .b.l.ClasspathLoggingApplicationListener : Application failed to start with classpath: [file:/E:/share/ws_ms/spring-boot-test/target/classes/, file:/D:/Shell/.m2/repository/com/alibaba/dubbo/2.5.3/dubbo-2.5.3.jar, file:/D:/Shell/.m2/repository/org/javassist/javassist/3.18.1-GA/javassist-3.18.1-GA.jar, file:/D:/Shell/.m2/repository/org/jboss/netty/netty/3.2.5.Final/netty-3.2.5.Final.jar, file:/E:/share/ws_ms/spring-boot-starter-dubbo/target/classes/, file:/D:/Shell/.m2/repository/org/springframework/boot/spring-boot-starter/1.2.5.RELEASE/spring-boot-starter-1.2.5.RELEASE.jar, file:/D:/Shell/.m2/repository/org/springframework/boot/spring-boot/1.2.5.RELEASE/spring-boot-1.2.5.RELEASE.jar, file:/D:/Shell/.m2/repository/org/springframework/boot/spring-boot-autoconfigure/1.2.5.RELEASE/spring-boot-autoconfigure-1.2.5.RELEASE.jar, file:/D:/Shell/.m2/repository/org/springframework/boot/spring-boot-starter-logging/1.2.5.RELEASE/spring-boot-starter-logging-1.2.5.RELEASE.jar, file:/D:/Shell/.m2/repository/org/slf4j/jcl-over-slf4j/1.7.12/jcl-over-slf4j-1.7.12.jar, file:/D:/Shell/.m2/repository/org/slf4j/slf4j-api/1.7.12/slf4j-api-1.7.12.jar, file:/D:/Shell/.m2/repository/org/slf4j/jul-to-slf4j/1.7.12/jul-to-slf4j-1.7.12.jar, file:/D:/Shell/.m2/repository/org/slf4j/log4j-over-slf4j/1.7.12/log4j-over-slf4j-1.7.12.jar, file:/D:/Shell/.m2/repository/ch/qos/logback/logback-classic/1.1.3/logback-classic-1.1.3.jar, file:/D:/Shell/.m2/repository/ch/qos/logback/logback-core/1.1.3/logback-core-1.1.3.jar, file:/D:/Shell/.m2/repository/org/springframework/spring-core/4.1.7.RELEASE/spring-core-4.1.7.RELEASE.jar, file:/D:/Shell/.m2/repository/org/yaml/snakeyaml/1.14/snakeyaml-1.14.jar, file:/E:/share/ws_ms/goodies/target/classes/, file:/E:/share/ws_ms/spring-boot-starter-dubbo-health-indicator/target/classes/, file:/D:/Shell/.m2/repository/org/springframework/boot/spring-boot-actuator/1.2.5.RELEASE/spring-boot-actuator-1.2.5.RELEASE.jar, file:/D:/Shell/.m2/repository/com/fasterxml/jackson/core/jackson-databind/2.4.6/jackson-databind-2.4.6.jar, file:/D:/Shell/.m2/repository/com/fasterxml/jackson/core/jackson-annotations/2.4.6/jackson-annotations-2.4.6.jar, file:/D:/Shell/.m2/repository/com/fasterxml/jackson/core/jackson-core/2.4.6/jackson-core-2.4.6.jar, file:/D:/Shell/.m2/repository/org/springframework/spring-context/4.1.7.RELEASE/spring-context-4.1.7.RELEASE.jar, file:/D:/Shell/.m2/repository/org/springframework/spring-aop/4.1.7.RELEASE/spring-aop-4.1.7.RELEASE.jar, file:/D:/Shell/.m2/repository/aopalliance/aopalliance/1.0/aopalliance-1.0.jar, file:/D:/Shell/.m2/repository/org/springframework/spring-beans/4.1.7.RELEASE/spring-beans-4.1.7.RELEASE.jar, file:/D:/Shell/.m2/repository/org/springframework/spring-expression/4.1.7.RELEASE/spring-expression-4.1.7.RELEASE.jar]
2016-02-03 10:08:00.251  INFO 11996 --- [           main] utoConfigurationReportLoggingInitializer : 
Error starting ApplicationContext. To display the auto-configuration report enable debug logging (start with --debug)
2016-02-03 10:08:00.252 ERROR 11996 --- [           main] o.s.boot.SpringApplication               : Application startup failed

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dubboHealthIndicator' defined in class path resource [com/wacai/springboot/dubbo/health/autocfg/DubboHealthIndicatorConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.boot.actuate.health.HealthIndicator]: Factory method 'dubboHealthIndicator' threw exception; nested exception is java.lang.NullPointerException
    at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:599)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1119)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1014)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:504)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476)
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:303)
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:755)
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:757)
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:480)
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:686)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:320)
    at com.luoan.showcase.Application.main(Application.java:16)
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.boot.actuate.health.HealthIndicator]: Factory method 'dubboHealthIndicator' threw exception; nested exception is java.lang.NullPointerException
    at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:189)
    at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:588)
    ... 14 common frames omitted
Caused by: java.lang.NullPointerException: null
    at com.wacai.springboot.dubbo.health.autocfg.DubboHealthIndicatorConfiguration.dubboHealthIndicator(DubboHealthIndicatorConfiguration.java:28)
    at com.wacai.springboot.dubbo.health.autocfg.DubboHealthIndicatorConfiguration$$EnhancerBySpringCGLIB$$88f5f1e2.CGLIB$dubboHealthIndicator$0(<generated>)
    at com.wacai.springboot.dubbo.health.autocfg.DubboHealthIndicatorConfiguration$$EnhancerBySpringCGLIB$$88f5f1e2$$FastClassBySpringCGLIB$$50e32fc5.invoke(<generated>)
    at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:228)
    at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:309)
    at com.wacai.springboot.dubbo.health.autocfg.DubboHealthIndicatorConfiguration$$EnhancerBySpringCGLIB$$88f5f1e2.dubboHealthIndicator(<generated>)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:497)
    at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:162)
    ... 15 common frames omitted

Exception in thread "main" org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dubboHealthIndicator' defined in class path resource [com/wacai/springboot/dubbo/health/autocfg/DubboHealthIndicatorConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.boot.actuate.health.HealthIndicator]: Factory method 'dubboHealthIndicator' threw exception; nested exception is java.lang.NullPointerException
    at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:599)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1119)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1014)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:504)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476)
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:303)
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:755)
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:757)
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:480)
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:686)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:320)
    at com.luoan.showcase.Application.main(Application.java:16)
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.boot.actuate.health.HealthIndicator]: Factory method 'dubboHealthIndicator' threw exception; nested exception is java.lang.NullPointerException
    at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:189)
    at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:588)
    ... 14 more
Caused by: java.lang.NullPointerException
    at com.wacai.springboot.dubbo.health.autocfg.DubboHealthIndicatorConfiguration.dubboHealthIndicator(DubboHealthIndicatorConfiguration.java:28)
    at com.wacai.springboot.dubbo.health.autocfg.DubboHealthIndicatorConfiguration$$EnhancerBySpringCGLIB$$88f5f1e2.CGLIB$dubboHealthIndicator$0(<generated>)
    at com.wacai.springboot.dubbo.health.autocfg.DubboHealthIndicatorConfiguration$$EnhancerBySpringCGLIB$$88f5f1e2$$FastClassBySpringCGLIB$$50e32fc5.invoke(<generated>)
    at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:228)
    at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:309)
    at com.wacai.springboot.dubbo.health.autocfg.DubboHealthIndicatorConfiguration$$EnhancerBySpringCGLIB$$88f5f1e2.dubboHealthIndicator(<generated>)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:497)
    at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:162)
    ... 15 more
2016-02-03 10:08:00.292  INFO 11996 --- [bboShutdownHook] com.alibaba.dubbo.config.AbstractConfig  :  [DUBBO] Run shutdown hook now., dubbo version: 2.5.3, current host: 127.0.0.1
2016-02-03 10:08:00.293  INFO 11996 --- [bboShutdownHook] c.a.d.r.support.AbstractRegistryFactory  :  [DUBBO] Close all registries [], dubbo version: 2.5.3, current host: 127.0.0.1

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