Project scenario feign + hystrix fuse for remote calling Problem description Bug occurs when starting remote calling class 2023-09-17 17:05:21.017 [main] ERROR o.s.boot.SpringApplication – Application run failed org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name ‘wmNewsAutoScanServiceImpl’: Unsatisfied dependency expressed through field ‘articleClient’; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘com.itheima .apis.article.IArticleClient’: Unexpected exception during bean […]
Tag: fallback
Coding skills – Sentinel’s blockHandler and fallback
This article introduces the difference between Sentinel’s blockHandler and fallback. The background is: when current limiting occurs, the configured sentinel’s blockhandler does not take effect and fallback takes effect; check the cause, and then give the code writing method for Sentinel configuration abnormal downgrade and current limit downgrade; Before viewing the source code, I consulted […]
Peripherals of FlutterUnit | In-depth analysis of iOS gesture fallback issues
theme: cyanosis 1. The emergence of the problem Since I have been testing on an Android machine before, I have not run it on iOS. Recently, FlutterUnit released the iOS version, and the most feedback received is: Swipe back fails. At first I thought it was just the fault of WillPopScope, but I found that […]
The fuse hystrix in springcould is combined with the remote call feign, and the problem that fallback does not take effect
When we finish learning hystrix, the first thing we think of is whether it can be combined with feign to play the role of remote call, and the answer is definitely yes. Let’s analyze this whole process step by step: 1. Chuangjie is a parent project springcould, in the parent project, the sub-module commons-interface of […]
[Jetpack] Use Migration in Room to upgrade database exception handling (Migration of multiple database versions | fallbackToDestructiveMigration() function handles upgrade exceptions)
Article directory 1. Room#Migration migration tool upgrades the database 2. Migration of multiple database versions 3. Database exception handling – RoomDatabase.Builder#fallbackToDestructiveMigration() function 4. Complete code example 1. Room#Migration migration tool upgrades the database Room Migration Database Migration Tool is part of Android Jetpack Architecture Components (Architecture Components) , it is a handy database migration tool, […]
springboot integrates rabbitmq fallback message
Fallback message When only the producer confirmation mechanism is enabled, the switch will directly send a confirmation message to the message producer after receiving the message, such as If the message is found to be unroutable, the message will be discarded directly. At this time, the producer does not know that the message is discarded. […]
springboot integrates RabbitMQ confirm confirmation mode and return fallback mode and Consumer Ack mode
springboot integrates RabbitMQ confirm confirmation mode and return fallback mode and Consumer Ack mode Description: Reliable delivery of RabbitMQ messages When using RabbitMQ, as a message sender, you want to prevent any message loss or delivery failure scenarios. RabbitMQ provides two ways to control the reliability mode of message delivery: confirm confirmation mode, return fallback […]
[Solved] The solution to node-pre-gyp install –fallback-to-build
Just started construction today and found that the project can’t run First delete the node package Then re-npm install reported an error Baidu said it was due to the problem of the node source, but the author himself is the tb source Later, I saw something else, I can down this package to solve this […]
[Solved] When Feign’s call reports an error, the downgrade processing method, fallBackFactory
When Feign’s call reports an error, downgrade the fallBackFactory Project Structure: Code: remoteCdsService package com.gsafety.framework.api; import com.alibaba.fastjson.JSONObject; import com.gsafety.framework.api.constant.ServiceNameConstants; import com.gsafety.framework.api.factory.RemoteRcsFallbackFactory; import org.springframework.cloud.openfeign.FeignClient; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.PostMapping; import org.springframework.web.bind.annotation.RequestParam; /** * @author wzx * @Description public resource service * @Date 2022/8/19 10:48 */ @FeignClient(contextId = “remoteRcsService”, value = ServiceNameConstants.RCS_SERVICE, fallbackFactory = RemoteRcsFallbackFactory.class) public interface RemoteRcsService […]
[Solved] Feign callback factory error: Incompatible fallbackFactory instance. Fallback/fallbackFactory
When using Feign to call back the factory, sometimes an error will be reported. The key information of the error is as follows: Caused by: java.lang.IllegalStateException: Incompatible fallbackFactory instance. Fallback/fallbackFactory of type class com.zhufeng.web.fallback.UserFallbackFactory is not assignable to interface feign.hystrix.FallbackFactory for feign client zhufeng-web Console info: Caused by: java.lang.IllegalStateException: Incompatible fallbackFactory instance. Fallback/fallbackFactory of type […]