Programmer Help

Custom Catalog title is written here Fix the vulnerability, remove Log4j and introduce logback 1 background 2 difficulties 3 Introduction to components 3.1 code structure 3.2 description of key categories 3.2.1 ClassOfCallerConverter.java 3.2.2 MethodOfCallerConverter.java 3.2.3 LineOfCallerConver ...

1 Introduction Lombok, an island in Indonesia, is Longmu island. But in the world of Java, it is a convenient class library, which can provide a lot of convenience, so it is favored by many people. But there are many objections. Why is that? I went to Longmu island to shoot the sunset. 2 convenience provided by Lombok In general, when we use P ...

1. Log framework Xiao Zhang; develop a large system; ​ 1, System.out.println(""); print key data on the console; remove the "key data" button? Write in a file? 2. Framework to record some runtime information of the system; log framework; zhanglogging.jar ; 3. How many functions ar ...

Mybatis Environmental Science: JDK 1.8 Mysql 5.7 Maven 3.6.1 IDEA Document links: https://mybatis.org/mybatis-3/zh/index.html Article catalog Mybatis 1. Introduction 1.1 what is MyBatis? 1.2 persistence 1.3 persistent layer 1.4 advantages 2. First Mybatis program 2.1 construction environment 2 ...

Crazy God said that the spring boot series is easy to understand. Based on the version 2.2.5 of spring boot, you are welcome to forward and pay attention to learning. WeChat official account: Bilibili, the first of the gods, Java No reprint without authorization of the author Integrated Druid About Druid A large part of Java progr ...

Environmental Science VirtualBox 6.1 IntelliJ IDEA 2020.1.1 Ubuntu-18.04.4-live-server-amd64 jdk-8u251-linux-x64 hadoop-2.7.7 Install pseudo distributed Hadoop Install pseudo distributed reference: Hadoop installation tutorial single machine / pseudo distributed configuration Hadoop 2.6.0 (2.7.1) / Ubuntu 14.04 (16.04) Let's not go over it he ...

Catalog 1. Preface 2. Log Face 3. Log Library 4. Log adapter 5. Selection of Log Library 6.logback.xml configuration file 1. Preface When it comes to logging tools, you must have heard these terms in your daily work or study: log4j, logback, jdk-logging, slf4j, commons-logging, etc. What is the relationship between them and what role do the ...

1, Guide reading When we use the log4j framework, we often use the slf4j API. When running, you often encounter the following error prompts: SLF4J: Class path contains multiple SLF4J bindings. SLF4J: Found binding in [jar:file:/Users/abc/maven-repository/org/slf4j/slf4j-simple/1.7.26/slf4j-simple-1.7.26.jar!/org/slf4j/impl/Static ...

Because everyone has different ideas, I'll share my ideas here firstThere are two types of persistent layer (DAO:DataBase Access Object persistent layer access object) for mybatis development.First, the traditional way of developing persistence layer is that programmers need to develop persistence layer interface and persistence layer implement ...

For an application, logging is very important. Logs can help developers quickly locate online problems and customize solutions. Logs contain a large number of user information. Through log analysis, users' behavior, interest preferences and other information can also be obtained. Through these information, users' portraits can be obtained, prov ...