exception « Database « JSP-Servlet Q&A

1. What is causing this MySQLSyntaxError exception? stackoverflow.com

i written this query (in java class) to select some information from the MySQL database and view it on jsp page...

SELECT instructor.name FROM instructor,section,teach WHERE teach.student_id='3'AND teach.section ...

2. How to receive 2 or more different Exceptions? stackoverflow.com

I have written a code to add user into DB. I need to redirect to EmpInfo.jsp, when we receive duplicate entries. I need to use more Exceptions for that and also ...

3. java.lang.nullpointer exception thrown in servlet program stackoverflow.com

I am creating a 3-tier web application for an online exam having just 5 questions.I use html and have designed a servlet to post data to the mysql database which I ...

4. java.lang.nullpointer exception thrown in servlet program stackoverflow.com

Thanks for those wonderful answers everyone.I tried everything said by @Jan, @Ratna yet I am not able to overcome the exception. Line No.52 in my servlet program is Statement stmt=connect.createStatement(); I present ...

5. exception javax.servlet.ServletException: Communication link failure: java.io.EOFException stackoverflow.com

Hi I develpoed a Web applicaton by using the JSP and MySql.That comes a Communication Link Failure Error.I tried up to my Knowledge, yet i didn't solve.Kindly help him and give the ...

6. Exception in getting Resultset coderanch.com

7. JSP mySQL exception coderanch.com

8. SQL Exception coderanch.com

9. javax. servlet.Servlet Exception: Initialization failed, Unable to get DB connection coderanch.com

Hi.i am beginner. using eclipse. i am sure my deployment structure is right. web.xml ---------- -------------- driverClassName com.mysql.jdbc.Driver url jdbc:mysql://localhost/blackbook ls com.santosh.servlets.LoginServlet dbuser root dbpass admin sqlstatement select * from userdetails where uname=? and pass=? ...

10. SQL Exception on refeshing the servlet. coderanch.com

Hello friends, I have a servlet written which is making connection to my database(Ms Access)if it helps and then performing search query. The connection is done in the init() method of the servlet and the query is executed in the doGet() method.If the search query contains the data then it displays the result else the message record not found.Now my problem ...

11. SQL Exceptions in JSP coderanch.com

12. Could not create entity com.mysql.jdbc.exceptions.MySQLIntegrityConstraintViolationException: coderanch.com

13. How do you get underlying sql exceptions when using Java persistence coderanch.com

14. Exception occurred during commit of transaction Name coderanch.com

Hi, I am getting following error while updating a Table through the application. I am running the application on welogic 9.2.. I have added new Constants to the the existing methods and i am trying to update the database table row with this new constant. It works fine if i use the existing constants in from the constant file. ...

15. The SQL error Io exception: Connection reset occurs. coderanch.com

16. Exception executing servlet with database connectivity coderanch.com

17. SQL exception error in JDBC conection with servlet+ jsp java-forums.org

18. JSP/MySQL exception on executeUpdate() command?! forums.oracle.com

Turns out even though NetBeans states compatibility with MySQL databases, you still need to install Connector/J by adding it as a library to the NetBeans IDE. Now that it is added as a library to my NetBeans project, do I have to set up Connector/J with Tomcat when I deploy my application or does NetBeans integrate the library in my project? ...