## Problem Zuul is configured normally and can be started normally, but an error of 500 is encou…
## error in browser ``` "Whitelabel Error Page This application has no explicit mapping for /e…
## foreword The project I am working on requires automatic updates, so first of all, we need to …
## Problem Description Today I am using Springboot to integrate Mybatis and report an error at r…
## Error analysis In the error of the console log, it said `Error creating bean with name 'org.s…
## Problem When testing `SpringSecurity`, it was found that the page in `controller` could not …
## Tomcat loading problem Modify the name of a class, use idea to automatically modify the name …
## error ``` Failed to configure a DataSource:'url' attribute is not specified and no embedded …
This error is caused by an error when generating code with `mybatisplus CodeGenerator`. ## messa…
## Dependent import To integrate Redis in Spring Boot, the first step is to import related depen…
## problem `application.properties` after modifying `nacos` permission verification ``` naco…
Yesterday, after repacking and publishing an old project to the cloud server, an error was reported…
SpringBoot global exception preparation ## Development preparation Environmental requirements…
## problem After `SpringSecurity5.x`, when verifying the password, you need to specify the encry…
## Preface To realize the function: according to different configuration files, the logback log …
## Problem Description SpringBoot configuration to connect to multiple databases throws the foll…
## problem When using the local cache `Caffeine`, I encountered a problem. The code logic is rou…
## error Appeared when testing Shiro framework ``` Configuration error: No realms have been …
In the process of using `zuul`, start the application and report an error when calling the interfac…
Copying the project from the old workspace to the new workspace directory today prompts the followi…
## error ``` org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating …
Springboot reports an error when the integrated druid is started. ``` Springboot:org.springfram…
## 1\. SpringCloud features SpringCloud focuses on providing a good out-of-the-box experience fo…
## Preface In actual project development, many business scenarios need to use asynchronous to co…
The record uses AOP+custom annotations to complete the permission verification of the interface, th…
## frame springboot+IDEA+spring security oauth2 ## background When the user logs in to obt…
## 1\. Problem description In Idea’s spring project, I often encounter the error message “Could …
## problem phenomenon When the SpringCloud system is built in IDEA, a red error is displayed whe…
## error message ``` Error starting ApplicationContext. To display the conditions report re-run…
Idea reported an error when compiling the project, and the saved information is as follows: ``` …
## error description Exception name: BeanCreationException & IllegalArgumentException Excepti…
The reason for this is probably that the version of the dependency is uniformly configured in the c…
Generally, when you pull the project from Git and run it, there is no problem with the configuratio…
1\. To create a new springboot project, you can quickly generate a springboot project through [http…
## error message ``` Error starting ApplicationContext. To display the conditions report re-run…
## solution ``` restTemplate.getMessageConverters().set(1, new StringHttpMessageConverter(Stand…
When springboot introduces maven dependencies, it prompts that the dependencies cannot be found as …
## Include pom ``` <dependency> <groupId>org.springframework.boot</groupId> <artifactId>s…
Spring cloud is a microservice framework based on spring boot. If the version of spring boot and sp…
## 1 Scene In web programs, user requests are often intercepted and processed. Commonly used pro…
## introduction When developing a Web project, filters are often needed to process some requests…
## Preface When viewing the service log, when the service is adjusted too frequently and the log…
## description When using the message queue to develop the Spring cloud stream project, I encoun…
## description > Error creating bean with name 'sessionFactory' defined in class path resource \…
## introduction I don’t know if you have noticed it. If the request goes wrong on the current ma…
## description Problem scenario: All business logic is normal without passing nginx proxy, but s…
## error message ``` java.lang.NullPointerException at org.springframework.web.util.…
## Problem Description Today, the project started reporting an error. I encountered this error. …