spring is embedded with cglib package, which hides a big pit

Problem discovery At 9 a.m. on January 21, 2022, a large area of "system unknown error" was reported in the order system, resulting in some users unable to place orders normally. Query the background log and you can see a large number of duplicate class attempt s. java.lang.LinkageError-->loader (instance of org/springframework/ ...

Posted by googlehunter on Wed, 26 Jan 2022 04:02:02 +0100

Improper customization of View causes ViewBinding to use Crash:Missing required view with ID

Today I encountered a Crash:java while using ViewBinding. Lang.NullPointerException: Missing required View with ID, found to be related to custom View... 1. Background When using ViewBinding recently, you encountered such an error: E AndroidRuntime: FATAL EXCEPTION: main E AndroidRuntime: Process: me.hjhl.app, PID: 10740 E AndroidRuntime: ...

Posted by cosminb on Sun, 26 Dec 2021 23:55:15 +0100

Installation record of paddlepaddle installation in Win10 environment

Write in front This problem was solved on July 8, 2021. New changes may occur in subsequent versions. Please refer to it carefully. Problem description and mental process According to Baidu paddlepaddle official website The download method is one-way operation. The result is finally verified, a pad utils. run_ Check() to directly report a ...

Posted by CookieDoh on Sun, 26 Dec 2021 10:41:50 +0100

SpringBoot+Mybatis uses Redis as the secondary cache to implement and solve the problem that the cache [call clear() method] cannot be updated when deleting / modifying / adding.

1, Build environment Configure Maven.Spring boot integrates Redis.SpringBoot integrates Mybatis. The parent pom.xml file is as follows: <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven ...

Posted by JustGotAQuestion on Thu, 09 Dec 2021 02:21:30 +0100

Servlet.init() of Servlet[springmvc] raises an exception;

explain: (1) Why write this blog?: In[ RESTful development style 2: first experience of RESTful development style 2: develop the first RESTful project; ]Encountered the [exception thrown by Servlet.init() of Servlet[springmvc]] problem in; This blog records; (2) Brief description of error cause: [Spring]   While initializing the Dispat ...

Posted by sonofyoda on Wed, 10 Nov 2021 23:46:46 +0100

Xuebao APP "daily use experience" challenge based on Youmeng + U-APM

Use background As a developer, I'm not writing BUG,Just writing BUG On my way. Small and medium-sized companies, in particular, are usually understaffed, the development process is imperfect, and the test scenario cannot cover all of them. Although I suggest that I should write less every time I modify old functions and make new functions BU ...

Posted by b-ware on Wed, 10 Nov 2021 11:20:27 +0100