problem description use consul as the registry spring cloud gateway as the gateway gateway user user spring cloud gateway 404 the environmental background of the problems and what methods you have tried related codes spring: profiles: ...
use Thymeleaf to say that you want to add dependencies <dependency> <groupId>net.sourceforge.nekohtml< groupId> <artifactId>nekohtml< artifactId> <version>1.9.22< version> < dependency> and c...
for example: two objects A->B B->A will an error occur when creating or using an An object? ...
< H2 > recently wrote a background management system based on springboot, which provides many interfaces to add, delete, modify and insert databases without manually creating any threads. I wonder if there will be problems if concurrency occurs < H2 ...
find a JAVA implementation Python requests module on the Internet (JAVA implements the Http request) try { logger1.info("===============>>>>>" + Path + "------------>>" + headers); data= ...
spring framework, why can dependency immutability be guaranteed by constructor injection? ...
Why are the configuration files managed by the java framework and the package all in xml format and instead of using json or yaml? < hr > if any great god knows, give me popular science ...
when you get the contents of hadoop files in spirng controller, the hadoop service reports errors in batches FSDataInputStream fsDataInputStream = fileSystem.open(new Path(" 1.mp4")); byte [] a = new byte[20]; fsDataInputStream.re...
the project uses the SpringBoot framework, and the persistence layer uses the mybatis, database for the mysql, business table to contain a composite unique index of four fields. Batch insertion or deletion on this table requires no logical deletion. Whe...
introduced jar package: < dependency > <groupId>javax.validation< groupId> <artifactId>validation-api< artifactId> <version>1.1.0.Final< version> < dependency > < dependency > <groupId>org.hibernate< g...
as in the question, how does SpringSecurity store user information? How to store it to ensure that each logged-in user gets his or her own UserDetails. UserDetails userDetails = (UserDetails) SecurityContextHolder.getContext () .getAuthentication () ...
problem description I introduced spring security into the spring boot project to do things like login authentication. Because it is a separate project at the front end, my front end has such a login request function login(){ $.aja...
now you need to intercept all the execution sql of ibatis and record them in the database, but you can t find the relevant interceptor of ibatis (only the interceptor of mybatis). How to get all execution sql and record it? ...
in the springboot-quartz cluster, I did not configure the cluster, but when three projects were started at the same time, I found that two tomcat were performing the same task at the same time, but then only one tomcat was performing the same task at a ...
requirements are as follows: there are one or more databases that hold all kinds of user data, such as contract information, time, amount, and so on. now we are going to develop a background system to regularly extract data from the specified databa...
protected Object getObjectForBeanInstance( Object beanInstance, String name, String beanName, @Nullable RootBeanDefinition mbd) { Don t let calling code try to dereference the factory if the bean isn t a factory. if ...
there are two classes with similar structure, both of which are used in the Order class, and the logic in the method is also similar. How to optimize because Customer and Client are of different types, two methods are written, but the parameters pass...
it is too troublesome to use the default data format of form. My data nesting is very serious, with four layers of list nesting. If spelling the name of input through the index is too painful, so I want the form form to submit the json data, and then ...
recently, I have been learning about the backend. In the process of learning SSM, because I want to give the client a login authentication function, I thought of using token for authentication and using auth0, to generate token through user id encryption...
wants to monitor all methods that enter controller, but the aop class written by myself doesn t work tried to do it using the profile method and the annotation method, but did not enter the method. related codes package com.detain.system.aop; imp...
tags, how do you extract the content you want?
main problem: the front-end code of the web page is very messy, all are tags, python crawler extraction content is very uncomfortable, BeautifulSoup4 is very difficult to locate, ask for your guidance, how to do in such a situation? URL: http: eshu....
according to the title, my Mini Program mainly has a form submission to get the user unionid to get through Mini Program and the official account. Do I need to maintain my login status? When it comes to the login state, it makes me feel dizzy. ...
for example, a question, such as git branch-a, opens an additional window interface to display the output of the command: q: git showgit log git status: -sharp git status On branch master Your branch is ahead of origin master by 1 commit. ...
the target of the substitute <img class="" id="productview_icon" src=""> the object of initiating event <img class="change-display" data-icon_src="xxx" src=""> event e.preventD...
what do you think is the advantage of comparing koa2 with express, and what is the practical role of koa2 s onion ring model in actual development! advantages of koa abandons express s callback writing and adopts the new features of Async to make...