08 08Struts 2.x file upload
Article catalog
1 Basic upload
2 further operation of upload
3 upload restrictions
If your code is developed with standard MVC, it is highly recommended to use SmartUpload. However, if your project code is developed with framework, such as Struts 1.x, Struts 2.x, and Spring MVC, you can only use F ...
Posted by nonexistence on Sun, 28 Jun 2020 06:52:44 +0200
Spring boot principle: the starting principle of source code analysis
catalog
1, Introduction to spring boot analysis
2, Spring boot annotations to be covered
1.@SpringBootApplication
2.@SpringBootConfiguration
3.@EnableAutoConfiguration
4.@AutoConfigurationPackage
5. Some annotations in the xxxautoconfiguration class
3, Spring application initialization proces ...
Posted by aseaofflames on Mon, 22 Jun 2020 10:48:12 +0200
hualinux servlet 2.13: ServletRequest interface and its sub interface
catalog
1, Knowledge points
2, Examples
2.1 example 1 obtaining request parameters
2.1.1 code
2.1.2 test results
2.2 example 2 returns the string array corresponding to the request parameter according to the name of the request parameter
2.2.1 in index.jsp Write form
2.2.2 modification Login. ...
Posted by chedong on Thu, 18 Jun 2020 06:37:31 +0200
In depth spring boot annotation principle and use
The main configuration class of SpringBoot
@SpringBootApplication
public class StartEurekaApplication
{
public static void main(String[] args)
{
SpringApplication.run(StartEurekaApplication.class, args);
}
}
Click @SpringBootApplication to see that @SpringBootApplication is a comp ...
Posted by sqlnoob on Tue, 16 Jun 2020 10:43:45 +0200
Server is implanted into Trojan horse, CPU soars 200%
Author: my name is Liu Banxianhttps://my.oschina.net/liughDevelop/blog/1786631
The online server uses a certain cloud, running the Tomcat, MySQL, MongoDB, ActiveMQ and other programs happily and perfectly. Suddenly a bad news came from the front: the website can't be accessed!
I am in charge of this project. I immediately opened the server at ...
Posted by WeAnswer.IT on Fri, 12 Jun 2020 05:43:47 +0200
Install JDK and Tomcat on Linux (CentOS7.2)
1. Download related software
JDK: http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
Tomcat: http://mirrors.shuosc.org/apache/tomcat/tomcat-9/v9.0.2/bin/apache-tomcat-9.0.2.tar.gz
2. Install and configure JDK
[root@JDK-Tomcat ~]# rpm -ivh jdk-8u151-linux-x64.rpm
Add the followi ...
Posted by McManCSU on Fri, 29 May 2020 19:00:34 +0200
What, too many containers to handle? I choose Docker Compose solha
Next: Interviewer: you said that you are proficient in Docker. Let's talk about Dockerfile in detail
1, Communication between containers
1. One way communication
1.1 what do you mean
mysql and tomcat are two independent containers, but tomcat needs to communicate with mysql, and mysql does not need to communicate with tomcat at all, which is c ...
Posted by keenlearner on Thu, 28 May 2020 06:12:26 +0200
How to install Tomcat 9 on Ubuntu 20.04
This article was first published in: https://www.itcoder.tech/posts/how-to-install-tomcat-9-on-ubuntu-20-04/
This guide describes how to install and configure Tomcat 9 on Ubuntu 20.04.
Apache Tomcat is an open source Web server and Java servlet container.It is the most popular choice in the world for building Java-based websites and applicatio ...
Posted by muadzir on Thu, 28 May 2020 04:43:56 +0200
Environmental System Tuning
The following adjustments are made in the test environment, then the documentation is written. System tuning:
1. Kernel Parameter Adjustment
additional
net.ipv4.ip_local_port_range = 1024 65535
net.core.somaxconn = 2048
net.core.rmem_default = 262144
net.core.wmem_default = 262144
net.core.rmem_max = 16777216 ...
Posted by qadeer_ahmad on Tue, 26 May 2020 18:08:50 +0200
Implement simple tomcat
Since our Web application is running in tomcat, the request must arrive at Tomcat first. Tomcat actually handles the request as follows.
First, provide Socket service
The start of Tomcat must be Socket service, but it only supports HTTP protocol!
In fact, we can expand our thinking here. Since Tomcat is based on Socket, what about BIO or NIO ...
Posted by Sesquipedalian on Mon, 11 May 2020 16:41:20 +0200