1. Market log framework and log abstraction layer classes
2. Spring boot default logging
When we are developing projects, we usually want to know how the program is running. We can use sysout.print(); print some key code or view the running status through debug, but for this kind of sysout.print(); currentl ...
Posted by hermzz on Wed, 06 Nov 2019 04:41:48 -0800
For appearance mode, it is very frequent in project development and practical application, but it is very easy to understand. Here is a brief introduction.
I. concept introduction
Facade, which hides the complexity of the system and provides the client with an interface to access the system. This type of design pattern belongs to structural pat ...
Posted by sharapov on Sun, 03 Nov 2019 02:30:08 -0800
The spring framework is a lightweight solution, a potential one-stop shop for building enterprise ready applications. Spring framework is a Java platform, which provides comprehensive infrastructure support for Java application development. Spring deals with the infrastructure, so you can focus on the application. Spring enables you ...
Posted by Cantaloupe on Sat, 02 Nov 2019 22:26:59 -0700
I. Introduction to Lombok
Lombok It is a java development plug-in, which enables Java developers to eliminate tedious and tedious code in business engineering through some annotations defined by it, especially for simple java model objects (POJO s). After using Lombok plug-in in the development environment, Java developers can save a lot of ti ...
Posted by The_Stranger on Wed, 30 Oct 2019 13:07:16 -0700
The default logging framework used by springboot is Logback.
Simple log properties can be configured in application.properties, logback.xml format can be configured separately, and log4j can be used for management.
The following describes the self-contained log configuration and how to use log4j as log ...
Posted by AdRock on Mon, 28 Oct 2019 07:14:07 -0700
Reason: SpringBoot uses slf4j log by default. When introducing other frameworks, it only needs to exclude the log framework that the framework depends on.
When I wanted to introduce log4j today, the pom file kept reporting errors, indicating that the jar package of log4j could not be found, which should be the reason for the springboot version ...
Posted by Markx on Thu, 10 Oct 2019 07:18:23 -0700
By default, dubbo uses log4j as its logging framework. If you use a different logging framework, you may not have a log.
It can be resolved by configuring the logger attribute of the application
<dubbo:application logger="log4j2" />
Posted by jesirose on Tue, 08 Oct 2019 14:45:01 -0700
1. Building Development Environment
1) copy the compiled hadoop jar package to the non Chinese path.
2) Configure HADOOP_HOME environment variables
3) Configuring Path environment variables
4) Create a Maven Project HDFSClientDemo
5) Import the corresponding dependent coordinates + log additions ...
Posted by becoolufull on Sun, 06 Oct 2019 10:42:44 -0700
Generator SqlMapCustom can be used as a tool to automatically load POJO, mapper interface and corresponding xml. First, paste the source link.
Click here: GitHub Source Link
Look at the source code annotations for usage. The contents of the project are as follows:
import ja ...
Posted by Kondie on Sat, 05 Oct 2019 07:55:21 -0700
siye@r480:~/svlution/workspace/springcore4322$ tree src/
│ ├── java
│ │ ├── log4j.properties
│ │ └── ocn
│ │ └── site
│ │ └── springioc
│ │ └── domain
│ │ └── User.java
│ └── resources
│ └── ocn ...
Posted by ebm on Fri, 04 Oct 2019 03:48:44 -0700