JavaDoubts.Com

Major Operations

The following are the major operations of this portal:

• User logs into site with email and password
• Users can register for free
• Allows user to enter email address and get password if they forget password
• User can post questions
• User can reply to a posted question
• User can search for questions
• Getting list of users and questions related to users
• Changing password

Technologies and Products used

• Tomcat 4.x
• Oracle8i/Oracle9i
• Weblogic Server 7.0
• SMTP Server - CMAILServer
• Java Server Pages (JSP)
• Java Beans
• Enterprise Java Beans
• Java Mail

The following table lists operations and associated objects and files.

Operation	Files	Associated Objects
Login	login.jsp	UserBean javabean
Registration of User	newuser.html, newuser.jsp	UserBean javabean, User EJB
Forgot password	forgotpassword.jsp	UserBean JavaBean
Changing password	changepassword.jsp	UserBean javabean, UserEJB
Home Page	home.jsp, listquestions.jsp	UserBean JavaBean
Search For Questions	searchquestions.jsp, listquestions.jsp	UserBean JavaBean,
Displaying details of a question	displayquestion.jsp	UserBean Bean
Displaying details of users	users.jsp	UserBean Bean
Listing questions related to a user	userquestions.jsp	UserBean Bean
Posting a new question	postquestion.jsp	UserBean JavaBean, Question JavaBean
Replying to a question	postreply.jsp	UserBean JavaBean, Reply JavaBean

The following are the steps to related to be taken to run the existing part of the application :

1. Download javadoubts.zip and unzip it into webapps directory of Tomcat installation directory.
2. Make sure you copy classes111.zip ( after renaming it to classes111.jar) or classes12.jar into WEB-INF/lib directory
3. Compile javabeans in WEB-INF/classes/jd directory. Run batch file s.bat before compiling javabeans. You may have to make necessary changes to batch file.
4. Also make sure the classpath of Tomcat is changed to include weblogic.jar using setclasspath.cmd in BIN directory of Tomcat. After the change set CLASSPATH in setclasspath.cmd should look like as shown below:

   rem Set standard CLASSPATH
   rem Note that there are no quotes as we do not want to introduce random
   rem quotes into the CLASSPATH
   set CLASSPATH=%JAVA_HOME%\lib\tools.jar;c:\weblogic\weblogic700\server\lib\weblogic.jar
   

5. Create account jd with password jd in Oracle Database.
6. Create required tables in Oracle using TABLES.TXT file and also insert some sample data.
7. Make sure Oracle and Tomcat are running.
8. Start Weblogic Server and create the following
   • A connection pool with the name jdOraclePool - It should access Oracle with jd user and jd password
   • A TxDataSource with the name jdDataSource and JNDI name jd.oracle
9. Copy examples.properties file from c:\weblogic\weblogic700\samples\server\src directory of Weblogic server to javadoubts/user
10. Build the ejb in javadoubts/user directory.
11. Copy user_client.jar from user directory to javadoubts/WEB-INF/lib
12. Run the application using the following url:

       http://localhost:8080/javadoubts
     

13. You should see login page of the application.