我使用以下命令在我的系统上使用 docker 设置并运行 consul:
sudo docker run -p 8500:8500 consul:0.9.2
Consul 运行良好,我可以从 consul UI 进行检查(下图):
现在,我正在尝试运行我的 spring-boot 服务来使用这个 consul 实例进行服务发现和注册。但是,每当我开始时,它都会给我以下异常:
2017-09-02 18:58:17.091 ERROR 5578 --- [ restartedMain] o.s.c.c.c.ConsulPropertySourceLocator : Fail fast is set and there was an error reading configuration from consul.
2017-09-02 18:58:18.183 ERROR 5578 --- [ restartedMain] o.s.c.c.c.ConsulPropertySourceLocator : Fail fast is set and there was an error reading configuration from consul.
2017-09-02 18:58:19.375 ERROR 5578 --- [ restartedMain] o.s.c.c.c.ConsulPropertySourceLocator : Fail fast is set and there was an error reading configuration from consul.
2017-09-02 18:58:20.691 ERROR 5578 --- [ restartedMain] o.s.c.c.c.ConsulPropertySourceLocator : Fail fast is set and there was an error reading configuration from consul.
2017-09-02 18:58:22.114 ERROR 5578 --- [ restartedMain] o.s.c.c.c.ConsulPropertySourceLocator : Fail fast is set and there was an error reading configuration from consul.
2017-09-02 18:58:23.671 ERROR 5578 --- [ restartedMain] o.s.c.c.c.ConsulPropertySourceLocator : Fail fast is set and there was an error reading configuration from consul.
2017-09-02 18:58:23.691 ERROR 5578 --- [ restartedMain] o.s.boot.SpringApplication : Application startup failed
com.ecwid.consul.v1.OperationException: OperationException(statusCode=500, statusMessage='Internal Server Error', statusContent='No cluster leader')
at com.ecwid.consul.v1.kv.KeyValueConsulClient.getKVValues(KeyValueConsulClient.java:159)
at com.ecwid.consul.v1.ConsulClient.getKVValues(ConsulClient.java:487)
at org.springframework.cloud.consul.config.ConsulPropertySource.init(ConsulPropertySource.java:66)
at org.springframework.cloud.consul.config.ConsulPropertySourceLocator.create(ConsulPropertySourceLocator.java:157)
at org.springframework.cloud.consul.config.ConsulPropertySourceLocator.locate(ConsulPropertySourceLocator.java:131)
at org.springframework.cloud.consul.config.ConsulPropertySourceLocator$$FastClassBySpringCGLIB$$b35ebf8.invoke(<generated>)
at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:738)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
at org.springframework.retry.interceptor.RetryOperationsInterceptor$1.doWithRetry(RetryOperationsInterceptor.java:91)
at org.springframework.retry.support.RetryTemplate.doExecute(RetryTemplate.java:286)
at org.springframework.retry.support.RetryTemplate.execute(RetryTemplate.java:163)
at org.springframework.retry.interceptor.RetryOperationsInterceptor.invoke(RetryOperationsInterceptor.java:118)
at org.springframework.retry.annotation.AnnotationAwareRetryOperationsInterceptor.invoke(AnnotationAwareRetryOperationsInterceptor.java:152)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:673)
at org.springframework.cloud.consul.config.ConsulPropertySourceLocator$$EnhancerBySpringCGLIB$$66375879.locate(<generated>)
at org.springframework.cloud.bootstrap.config.PropertySourceBootstrapConfiguration.initialize(PropertySourceBootstrapConfiguration.java:93)
at org.springframework.boot.SpringApplication.applyInitializers(SpringApplication.java:567)
at org.springframework.boot.SpringApplication.prepareContext(SpringApplication.java:338)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:301)
at com.pyg.auth.AuthServiceApp.main(AuthServiceApp.java:71)
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:498)
at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49)
SpringBoot Main Class 注释很好(我猜),因为我的 spring-boot 服务在之前与另一个 consul 实例一起工作得很好。