JAVA Development Step 1: How to Select a JSP VM

With the rapid development of JS Network Information Technology, bkjia.com makes life and Commerce an indispensable part, in-depth use of website production information technology is still in its infancy !!

The assumerver PagesTM (JSP) technology provides a simple and fast way to create a Web page that displays dynamically generated content. JSP technology is designed to make it easier and faster to Construct Web-based applications that work with various Web servers, application servers, browsers, and development tools.

JSP has the following advantages:

1. It can run on any Web or application Server. The user interface update is actually performed by the Web Server, so it gives people the feeling that the update is fast;

2. separate application logic from page display. All applications are server-based, so they can be kept in the latest version at any time;

3. The client interface is not very cumbersome and is easy to deploy, maintain, and modify for various applications;

The most important thing is to implement cross-platform applications based on java technology.

As part of the Java platform, JSP features the Java programming language "one-time writing, running everywhere. As more and more vendors add JSP support to their products, you can use the servers and tools you select. Changing tools or servers does not affect the current application.

"Many people do java web development in windows, but the first step of development is to configure the development environment. Java development environment, basically Java Virtual Machine and web server. Of course, the database server environment is also an important part, but there are many databases used during development, such as Oracle, MySQL, SQLServer, Access, and so on. For web developers, as long as the database service exists, the basic information of the Database Link (url, username, password, driverClass) is provided, and the JDBC driver package provided by JDK or a third party can be easily linked to the database. Therefore, the java web development environment is mainly used for java virtual machines and web servers.

How to select a JSP virtual host? Programmers who are eager to learn and want to develop JAVA have made the following basic choices:

1. Configure Tomcat instance parameters based on the development environment of the existing system.

During the development process, many developers prefer to use tomcat as the web server. Currently, jsp virtual hosts of many companies share the tomcat process. If a website has a problem that affects tomcat, this will make all jsp websites inaccessible, which often appears in the debugging of jsp websites. Based on Linux systems, it provides a stable system platform and has an independent Tomcat process, the Application Manager and Service Administrator provided by Tomcat are provided to facilitate customization and Management of Tomcat services, so that each website has no mutual influence;

2. Select the database supported by the site;

The databases provided are: mysql 4.1; MYSQL 4.1 and 5.0; ms SQL SERVER 2000 and 2005;

3. Select based on the specific application of the site;

For example, whether to install a forum, predict the number of online users, and estimate the space that may be occupied;

4. Other factors

Such as host management, server stability and security, service provider credibility and after-sales service. You can refer to some virtual host selection techniques.