java web application development environmentdblab.sangji.ac.kr/downloads/dbp/java web application...

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Java Web ApplicationsDevelopment Environment

Database Lab., Sangji Univ.상지대학교데이터베이스연구실

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Contents

• Chapter 1 : JSP and Servlet – Overview• Chapter 2 : Apache Web Server• Chapter 3 : Apache Tomcat• Chapter 4 : Tomcat Connector • Chapter 5 : Sample JSP and Servlet Project• Chapter 6 : Oracle• Chapter 7 : Sample JDBC program

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CHAPTER 1

JSP and ServletGetting Started

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Introduction of Web Applications(1)

• Web Server and Client

Web Client

Http Request

Http Request

Requested HTML page

Web Server

Web Application Server

Internet

Run and Generatethe HTML document

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• Web Application Server– Java EE Standard

• Zeus, Tmaxsoft, Korea, 2012, 07• WebLogic, Oracle, U.S.A., 2007. 06• Web Sphere, IBM• Glassfish, Oracle, U.S.A., 2011. 07

– Non Standard• Apache Tomcat (Open Source Foundation)

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Introduction of Web Applications(3)• Servlet vs. JSP

– Servlet• a Java-based server-side web technology• a Java Applet that runs on a server instead of a browser

– JSP(Java Server Page)• JSP is a similar to PHP, but it uses Java language• a high-level abstraction of Java servlets.• JSPs are translated into servlets at runtime• each JSP's servlet is cached and re-used until the original

JSP is modified

Servlet JSP

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Introduction of Web Applications(4)• Development Process of Servlet

Design and Coding

Compile

Java Class(servlet)

register to Web Container(Web.xml)

Web ClientPage Request

Web Server Web Application Server

servlet init

servlet 1

servlet 2

servlet n

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Introduction of Web Applications(5)• Development Process of JSP

Design and CodingWeb Application Server

place to JSP page to the web server directory

Web ClientPage Request

Web Server

JSP page request

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• Database Applications with JSP and Servlet

Web Server(WAS server)

Database ServerWeb Client

JSP and ServletDevelopment

Desktop

Database SchemaDevelopment

Desktop

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• Database Applications with JSP and Servlet– Integrating Servlets and JSP Pages

JSP Model 2 Architecture(Model View Controller)http://goo.gl/vGKOh

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• Summary– Web server and application server

• Apache – httpd.apache.org– (httpd-2.2.22-win32-x86-openssl-0.9.8t.msi)

• Apache tomcat server– tomcat.apache.org

– Database Server• Oracle database 11gR2

– Desktop Development Tools• Eclipse Juno

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CHAPTER 2Apache Web Server

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Apache Web Server• most popular web server

– a project of The Apache Software Foundation• URL for download

– httpd.apache.org– httpd-2.2.22-win32-x86-openssl-0.9.8t.msi (binary)

• open-source HTTP server for UNIX, Windows and other modern operating systems

• Apache http server : httpd

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Installation Apache Binary for win32

• Install Steps

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Configure the httpd

• Installed Products

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Configure your httpd.conf(1)

• httpd.conf– C:\Program Files\Apache Software Foundation\Apache2.2\conf\httpd.conf

• Document Root# DocumentRoot: The directory out of which you will serve your# documents. By default, all requests are taken from this directory, but# symbolic links and aliases may be used to point to other locations.#DocumentRoot "C:/Program Files/Apache Software Foundation/Apache2.2/htdocs“

• Directory Index<IfModule dir_module>

DirectoryIndex index.html</IfModule>

• Error logErrorLog "logs/error.log"

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Configure your httpd.conf(2)

• User Directory in httpd.conf#LoadModule userdir_module modules/mod_userdir.so…# User home directories#Include conf/extra/httpd-userdir.conf

• conf/extra/httpd-userdir.conf# UserDir: The name of the directory that is appended onto a user's home# directory if a ~user request is received. Note that you must also set# the default access control for these directories, as in the example below.#UserDir "My Documents/My Website"

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Check your welcome page

• Monitor your web server and start

– C:\Program Files\Apache Software Foundation\Apache2.2\htdocs\index.html

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Make your own web page• Using IDE tool for web page

• move the html file into – C:\Program Files\Apache Software Foundation\Apache2.2\htdocs

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Check your URL and page

• httpd://220.xxx.xxx.xx/myweb.html

• It works!

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CHAPTER 3Apache Tomcat

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Introduction to Apache Tomcat

• Apache Tomcat– Open source software implementation of the Java

Servlet and Java Server Page technologies

• Official URL– tomcat.apache.org– Binary Distribution

• 32-bit/64-bit Windows Service Installer• apache-tomcat-7.0.29.exe

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Installation of Apache Tomcat(1)• Configuration over the installation

Tomcat Port # and BasicsWelcome Screen

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Installation of Apache Tomcat(2)

• Configuration over the installation

Java Virtual Machine Path Tomcat Installation Directory

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Installation of Apache Tomcat(2)

• Install Products

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Configuration of Tomcat

• Tomcat Connection Test with 8080 port

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Configuration of Tomcat

• Set the new Environment Variable– CATALINA_HOME

• C:\Program Files\Apache Software Foundation\Tomcat 7.0

– CLASSPATH• .• C:\glassfish3\jdk7\lib\tools.jar• C:\Program Files\Apache Software Foundation\Tomcat 7.0\lib\jar-api.jar• C:\Program Files\Apache Software Foundation\Tomcat 7.0\lib\servlet-api.jar• C:\Program Files\Apache Software Foundation\Tomcat 7.0\bin\bootstrap.jar• C:\Program Files\Apache Software Foundation\Tomcat 7.0\bin\tomcat-juli.jar

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CHAPTER 4Tomcat Connector : mod_jk

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Tomcat Connector : mod_jk

• mod_jk– an Apache module– used to connect the Tomcat servlet container– with web servers(e.g., Apache)

Http Request mod_jk

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Tomcat Connector : mod_jk

• download– tomcat.apache.org

• Tomcat Connector JK 1.2– Binary Release for your installed Apache Server Version– tomcat-connectors-1.2.37-windows-i386-httpd-2.2.x.zip

• Extract the downloaded file and check the mod_jk.so– move the mod_jk.so file into

• C:\Program Files\Apache Software Foundation\Apache2.2\modules

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Configuration of Tomcat Connector(1)

• Documents for the “Impatient”– Quick Start How to– http://tomcat.apache.org/connectors-doc/generic_howto/quick.html

• Workers.properties– a mandatory file used by the web server– a minimum workers.properties, using just ajp13 to connect your

Apache webserver to the Tomcat engine– create a “wokrers.properties” in the

• “C:\Program Files\Apache Software Foundation\Apache2.2\conf”

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Configuration of Tomcat Connector(2)

• Minimum Apache Web Server Configuration– add or edit the following lines into the httpd.conf file

LoadModule jk_module modules/mod_jk.soDirectoryIndex index.html index.jsp index.htm# mod_jk setup<IfModule mod_jk.c>JkWorkersFile "C:\Program Files\Apache Group\Apache2.2\conf\workers.properties"JkLogFile "C:/Program Files\Apache Group\Apache2.2\logs\mod_jk.log"JkLogLevel infoJkLogStampFormat "[%a %b %H:%M:%S %Y]"JkMount /*.jsp dblabJkMount /servlet/* dblabJkMount /* dblab</IfModule>

• Restart the Apache and Tomcat server

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Test JSP Page for Apache and Tomcat• make the first JSP example file

• place the file into – C:\Program Files\Apache Software Foundation\Tomcat 7.0\webapps\ROOT

• JSP test at your Web Browser

• What happen ?– http://220.xxx.xxx.xx

through the 8080 port through the 80 port

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CHAPTER 5

Make a sample JSP page and servlet by New Eclipse Project.Configure and place the files for web service

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Introduction to JSP and Servlet Development Environment

• Add a Server Runtime Environment– Apache Tomcat v7.0

• Create a new Dynamic Web Project

• Add your project into the server– create a relationship the server and your project

• Run Configurations– the launch configurations

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JSP Project Environment in Eclipse(1)

• The Server Architecture for Development

Web Server(WAS server)

Database ServerWeb Client


Desktop

Database SchemaDevelopment

Desktop

Develop and Test at Here !

Test at Here ?

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• Add “Tomcat v7.0” as a new Runtime Environment– Window – Preference – Runtime Environment

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• In the “Server” tab,– define a new server

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Sample JSP in Eclipse : FirstJSP (1)

• Create a New Dynamic Web Project

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• Written your JSP sample program

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• Add your project into the server– Once you have created a server,– you need to create a relationship between the projects and your

server

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• Run Configurations – Run -> Run configurations

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• Run on the internal web browser– Run as -> Run on Server

• Test your JSP file on the real Apache Tomcat Server– copy your jsp file in Eclipse into tomcat server ROOT

• source : ………\workspace\FirstJSP\WebContent\FirstJSP.jsp• target : C:\Program Files\Apache Software Foundation\Tomcat 7.0\webapps\ROOT\FirstJSP.jsp

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CHAPTER 5

Make a sample JSP page and servlet by New Eclipse Project.Configure and place the files for web service

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Sample Servlet in Eclipse : FirstServlet (1)

• Create a New Servlet File– <Java Resources> - new – Servlet

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• Write a Sample Servlet

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• Create a Run Configurations– server

• Tomcat v7.0

– source• src/test/servlet

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• Run on Eclipse– Run as – Run on Server

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• Run on the Real Apache Tomcat Server

Apache Tomcat ServerWeb Client


Desktop

FirstServlet.class

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• Move your Java class file into the proper tomcat server directory– Your Java Class File

• \workspace\your project name\build\classes\package name\your java.class

or

http://hostname/mysample/servletname

http://hostname/servletname

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• Configure your web.xml– web.xml in the WEB-INF

web.xml

or

web.xml

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• Add <servlet-name> item into the web.xml

• Run your servlet on the web browsers

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CHAPTER 6

Oracle Database11gR2- Installation- Database Configuration Assistant- SQL*PLUS- SQL Developer- JDBC Connection

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Introduction to Oracle 11gR2(1)

• download URL– oracle.com

• documents for Oracle Products

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Introduction to Oracle 11gR2(2)• documents for Oracle Products

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Oracle Database 11gR2(1)

• download – oracle.com

• start the “oracle universal installer”

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• Enterprise Edition

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• Oracle Home and Environment

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• Global Database Name• Oracle SID ; Oracle Instance ID

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• Set the Character Set to Korean• Create Sample Database Schema

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• Install

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• Completion of Database Configuration Assistant– database control URL

• http://your hostname:1158/em

– password management

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• Success the installation of Oracle 11gR2 on windows 7 32-bits

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CHAPTER 6


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Oracle Database 11gR2(9)• Installed Program Files

– DBCA DBCA(Database Configuration Assistant)

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– Net Manager

Net Configuration Manger

Net Manager

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CHAPTER 6


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– SQL Plus SQL Plus

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– SQL Developer SQL Developer

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– SQL Developer

New Database Connection Oracle Object Explorer

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– SQL Developer

SQL Editor

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CHAPTER 6


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JDBC Connection(1)

• Install the JDBC Driver – supported JDBC Drivers by Oracle

• ojdbc5.jar• ojdbc6.jar

• Copy the jdbc driver files(.jar) (1) into the Apache Tomcat’s library directory

• source : D:\app\hostname\product\11.2.0\dbhome_1\jdbc\lib\ojdbc*.jar • target : C:\Program Files\Apache Software Foundation\Tomcat 7.0\lib

(2) into the Eclipse’s Project Library folder

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JDBC Connection(2)

• Make a Sample JDBC Connection JSP program

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JDBC Connection(3)

• Run a JDBC Connection JSP program– copy your jsp file into Apache Tomcat “webapps” directory

• Connect the URL – http://your_host/yourjspfile

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CHAPTER 7

Now, What to do ?

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Oracle Documentation Library

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JSP and Servlet with JDBC(1)

• Oracle Database– Documentation Library

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JSP and Servlet with JDBC(2)

• JDBC Developer’s Guide– Contents page