springcloud | 由于hystrix 篇幅较大,故单独成文,请见 : Spring Cloud Hystrix 断路器 | Microservice library
kandi X-RAY | springcloud Summary
kandi X-RAY | springcloud Summary
由于hystrix 篇幅较大,故单独成文,请见: Spring Cloud Hystrix 断路器. Feign 内部集成了Ribbon和Hystrix 先后启动生产者spring-cloud-04-feign-provider 、消费者spring-cloud-04-feign-consumer 调用消费端API (带有Hystrix降级) 注意:在写断路器的实现HelloFeignClientHystrixFallback时,不要忘了把它注入到spring容器中。. 1.启动两个服务 spring-cloud-05-hello-service spring-cloud-05-luck-service 2.启动网关 spring-cloud-05-gateway 3.确认两服务一网关都已开启 启动之后访问会发现返回了git-dev 。正好是evn-dev.properties中的内容 3. 动态刷新:若更改了github上的配置文件信息,需要不重启服务来刷新时,需要用post方式请求服务端的refresh接口
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Community Discussions
Trending Discussions on springcloud
QUESTION
I'm trying to debug my application, but debugger not hitting this code block. Here is my custom gateway filter.
...ANSWER
Answered 2021-May-10 at 15:48Hey i was manage to solve this problem by creating a RouteLocator @Bean like below. Now when i make a request in debugger mode i can hit the apply method in AuthorizationHeaderFilter
QUESTION
I'm trying to upgrade a project from SpringCloud BOM 2020.0.1
to 2020.0.2
When I change the BOM and re-build, I get an error in JUnit tests, saying that the new parameter spring.config.import
is not set for configserver.
This project is not a ConfigServer, neither use ConfigServer (commented config client)
This is the reported error in tests contextLoads()
ANSWER
Answered 2021-Mar-29 at 08:42I have noted the same problem after upgrading to SpringCloud 2020.0.2
Adding spring.cloud.config.enabled=false
in the tests solved the issue.
E.g.:
QUESTION
I want to test Prometheus metrics endpoint using MockMvc
class.
Everything works fine but yesterday I migrate my project to Java 15
, SpringBoot 2.4.3
and SpringCloud 2020.0.1
. Now, only prometheus test not works and I receive 404 not 200 as expected. I have all the necessary dependency on build.gradle
e.q.: runtime("io.micrometer:micrometer-registry-prometheus")
. On application-test.yml
I have a configuration for disabled security, contract tests pact broker endpoints etc.
my test:
...ANSWER
Answered 2021-Mar-11 at 09:20Solution: we need to add properties to the test annotation or to application-test.yml
:
QUESTION
I want to manually Commit the offset using spring cloud stream - only when the message processing is successful. Here is my code - application.yml & Handler Class
...ANSWER
Answered 2021-Feb-08 at 19:15What version are you using?
In 3.1, autoCommitOffset
was deprecated in favor of setting the ackMode
(to manual
in this case); however, it looks like autoCommitOffset
is now completely ignored rather than deprecated.
QUESTION
Small question on how to disable Spring Cloud Kubernetes in local mode please.
The project is a simple SpringBoot + SpringCloud project deployed in Kubernetes. Hence, there is this dependency in the class path:
...ANSWER
Answered 2021-Jan-25 at 02:21As the documentation says, you can do that by adding:
QUESTION
I have a problem. I checking my database connection, and i was using this application on my localhost, and it was okay. but when i deploy this web application, i always facing 502 error. i was tried modify security group and etc, but it never work. and i get a some last 100 line log message from elastic beanstalk log, so if you can solve problem, plz help me. thank you.
this is the log.
...ANSWER
Answered 2021-Jan-06 at 18:43This looks like Inbound Rules issue. In the AWS tutorial that uses a web application that uses AWS RDS, Inbound Rules are mentioned. You need to make sure the IP address of the Elastic Beanstalk instance is specified. If you do not do this, then the connection does not work.
Here is the AWS RDS tutorial that discusses this subject matter:
QUESTION
In my Spring Boot project, I defined 4 profiles
- demo
- dev
- test
- prod
properties in YAML files will be replaced by HashiCorp Vault properties during startup. For this, I use Spring Cloud Vault library. Everything works as expected in Spring Boot 2.3.x
When I try to upgrade the project to Spring Boot 2.4.0 with Spring Cloud Vault 3.0.0-SNAPSHOT version, the properties are not being replaced
bootstrap.yml
...ANSWER
Answered 2020-Nov-30 at 18:57As pointed put by Nicoll, With Spring Cloud Vault 3.0 and Spring Boot 2.4, the bootstrap context initialization (bootstrap.yml, bootstrap.properties) of property sources was deprecated. This can be fixed in one of the 2 ways
- Use Spring Boot 2.4.0 Config Data API to import configuration from Vault
- Enable the bootstrap context either by setting the configuration property
spring.cloud.bootstrap.enabled=true
or by including the dependencyorg.springframework.cloud:spring-cloud-starter-bootstrap
1. Use Spring Boot 2.4.0 Config Data API
Move bootstrap.yml configuration to application.yml and define spring.config.import
to import all profiles. And it looks like below
QUESTION
I am creating 2 microservices using springboot and xml. I am using spring data JPA for database related things. so I have updated these db details in application.properties
file.
I have 2 service. Product service and coupon service.
coupon service is working fine. below are the application.properties details
...ANSWER
Answered 2020-Dec-12 at 20:52Quick question, since you said that it's the same base and etc... shouldn't be:
QUESTION
- Bug description:
This error is reported when a web-app container in docker accesses the mysql(version 8) container.
- Error log:
ANSWER
Answered 2020-Nov-23 at 17:32mysql URL formate is :--
QUESTION
I am implementing Spring Cloud config, but the clients are not fetching the config automatically... When I start up my client gets the data from the server properly, but never retrieves it again.
This is my CloudConfig Server.
...ANSWER
Answered 2020-Nov-21 at 00:47if you want your config to be refresh you have to use @RefreshScope spring doc the config won't get update by magic himself because you call @Scheduled.
But base on how you fetch the value in Configuration component they might be limitation and @RefreshScope will not work refreshscope
I suggest create a bean a @ConfigurationProperties and annotate with @RefreshScope when you hit from actuator endpoint /refresh everything should update or maybe combination of @Schedule you might achieved what you want
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