preparing to migrate from spring mvc to spring-boot technology stack, there is a doubt about multiple configuration files. In the process of looking at it, I found that the configuration of spring boot is a great advantage, but I didn t really realize ...
effect you want to achieve: all access except static ** is implemented by a single controller. as shown in figure expects the HomeController@index method to handle all requests, except for the static ** path. the above code can t rea...
RedisTemplate has been configured @Bean public RedisTemplate redisTemplateInit() { Key redisTemplate.setKeySerializer(new StringRedisSerializer()); Value redisTemplate.setValueSerializer(new GenericJackson2JsonRedisSerializer()); ...
Today, when I used springboot to build MQ, I found that my project did not rely on kafka, results at all. springboot automatically instantiated kafkaTemplate , resulting in initialization failure. When solving the problem, consider whether there is ...
for example: has a Company company class, Company company class has a List < User > user list, and User class has an Address class that holds several addresses for users. well, now there is a system design idea: pass a company id to the backend, a...
https: coding.imooc.com lear. Chapter 1 course introduction 1-1 SpringCloud Guide (09:19) 1-2 get Source instructions (06:43) 1-3 question suggestions (02:49) 1-4 order item Demo (06:10) Chapter 2 introduction to Micro Services 2-1 Micro Servic...
Control class: package com.example.sso.controller; import com.example.sso.damain.UserDemo; import com.example.sso.service.LoginService; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller...
spring-cloud-starter-feign is introduced, but there is no @ FeignClient annotation screenshot of creating a project ...
after upgrading the project to spring2.0, it was found that static resources were blocked. because there are many kinds of static resources used in the project. Is there any elegant way to release static resources? the one that doesn t really want ...
does the data validation of services between microservices need to be checked every time, or can certain data errors be tolerated? < H2 > description < H2 > Service A user module Service B comment module < H2 > problem description < H2 > Servic...
when you use the lua script to release the lock, an exception occurs when the return value in the lua script is int , but you can use normally when you change the return value to string . error message is as follows: org.springframework.data.redi...
The project uses springboot to provide interface services. The original business is: all data submitted by consumers are all encrypted information , for example: 127.0.0.1 serviceencrypted data1 = ciphertext & data2= ciphertext & data3= ciphertext ...
how does 1.zuul directly perform client-side load balancing in spring boot2 cloud? 2. Environment: spring boot 2 spring cloud,zuul do gateway 3. Want to implement: how can two same consumer producers ab,a have one more ResquestMapping, than b to acces...
when using @ CrossOrigin (origins= "* ") , there is a response header Access-Control-Allow-Origin: * . At this time, the front end setting withCredential will report an error Failed to load http: localhost:8080 test: Response to preflight request ...
problem description: if the request method private ModelAndView articleList (Map < String, Object > map) adds an access control annotation @ PreAuthorize and uses private , it will report an error: java.lang.NullPointerException: null , where n...
@Autowired private StringRedisTemplate stringRedisTemplate; @Resource(name="stringRedisTemplate") private ValueOperations<String,String> valOpsStr; @Autowired private RedisTemplate<Object, Object> redisTemplate; @Resource(name=&q...
The JSON returned by the query using SpringBoot s default json, database is like this [{ "bg_CycleId": null, "bg_BugId": null, "bg_Status": "Closed", "bg_Responsible": "", ...
use @ Configuration to load the configuration file and cannot get the value defined in properties @Configuration @PropertySource(value = "classpath:jdbc.properties", encoding = "UTF-8") @ConfigurationProperties(prefix = "jdbc&q...
previously used and online materials are enabled by default to use tomcat; recently, when building Springboot, tomcat, was not excluded and jetty dependency was not introduced, but Jetty was used to start by default at startup. the following are th...
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using myql-connector-java5.0.8 jar package to connect to the database of MySQL 5.7.22, the following error occurred Exception in thread "main " java.sql.SQLException: No suitable driver found for jdbc:mysql:192.168.31.218:3306 school at java.sql.Dri...
configure https: github.com gaearon re. according to the document. When you modify the name field of state in the file, the page will not be updated, but the button text, page in the render function will be updated. "dev": "webpack-dev...
do a video screenshot function. After canvas is finished, the picture is changed into a picture and saved locally. It is said that it is a cross-domain problem when checked on the Internet. My videos and pictures are in my local ah, and then put the pi...
all fields of a model cannot be displayed in the background of django, and new records of the model cannot be manually added in the background. Check the database with shell and find that the data exists and the application runs normally. Other models c...
Click the button to play a tone on the page, thinking that html has an audiu tag, so the initial idea is to dynamically generate an audio to insert into the page. During debugging, it was found that there was a fatal problem. When the page did not operat...