sqlexception 2 « Exception « Java Database Q&A





3. please help me sort out SQLException problems    forums.oracle.com

The last thing you do in your constructor is Close the statement and connection objects.... you then try to perform queries using the statement object in your action listeners (which you have already closed) It might be worth while to create a method to return a connection object which each action listener method can call. i.e. your action listener calls for ...

4. throws SQLException    forums.oracle.com

Hi, I've made an connection to a database and put it in a try catch but when I wan't to close the connection in the catch block I get an error. This means that I either have to put the close statement in a new try catch or throw an sqlexception, which of these options is best and I don't really ...

5. SQLException    forums.oracle.com

Hi friends, i m creating two resultsets in one jdbc program but i m getting SQLException as error.why this is happening.if any error in code please,tell me.The code is given below. import java.sql.*; import java.io.*; class tworesult { public static void main(String[] args)throws IOException { try { Class.forName("org.postgresql.Driver"); Connection conn=DriverManager.getConnection("jdbc:postgresql:mproject","postgres","postgres"); Statement stmt=conn.createStatement(); Statement stmt1=conn.createStatement(); ResultSet rs=stmt.executeQuery("select * from questions"); ResultSet rs1=stmt1.executeQuery("select ...

6. SQLException : Result Set is IDLE    forums.oracle.com

Hi, Am accessing a DB stored procedure, executing it using executeQuery() & then fetching the resultset. There are 2 resultset objects returned. Am getting this exception when fetching the result set objects. It says soemthing like: "Result Set is IDLE as no row is being accessed currently." Any thoughts as to why this exception occurs? Thanks.

7. About SQLException    forums.oracle.com

I think it was mentioned above somewhere that SQLException offers the getSQLState(), getMessage() & getErrorCode() methods ... these can and should be used to obtain as much information as possible and return it to the user. But note please that one should not just throw any SQL out there and expect Exception handling to "clean it up". Do as much as ...

8. how to rectify SQLException    forums.oracle.com

yes its running. My MYSQL Server default connection time out period is 100 seconds. This exception arises not performing any action in 100 second, after that any action is performed in the form then only this exception is raised.we are using mysql-connector-java-3.0.14-production-bin.jar for my mqsql connection.please give me solution. thanks in advance.

9. SQLException Instance not found    forums.oracle.com

I have a web application (JRun) that uses JDBC to connect to a SQL Server 2000 database. During times of heavy volume I get a SQL Exception* stating that the instance on the server is not found. The instance does exist and on a normal day it connects flawlessly hundreds of times. Anyone know what could be the cause of this? ...





10. writing my own Exception for SQLException and IOException    forums.oracle.com

You can create all the exception classes that you like, however, if they are never thrown then you won't be catching them. So you created a subclass of SQLException. Fine. But then you try and catch it. Also fine but it will only ever catch your DuplicateValueException if some code somewhere actually throws a DuplicateValueException. It seems that you are expecting ...

11. sqlException.....    forums.oracle.com

12. sqlException arises    forums.oracle.com

is there any wrong in my code below..... sqlException arises in the insertThread method...?anyone knw the reason...? [code] public class DataBaseImpl { Connection con=null; PreparedStatement ps=null; Statement stmt=null; public void createTable() { try { class.forName("com.mysql.jdbc.Driver").newInstance(); con=DriverManager.getConnection("jdbc:mysql://localhost/threadpool?user=root&password="); stmt=con.createStatement(); String str="create table thread""(unique_Id varchar(100) primary key,""parent_id int,"+"data varchar(100))"; stmt.execute(str); String str1="create table thread1""(unique_Id varchar(100) ,""child_id int)"; stmt.execute(str1); } catch(Exception e) { System.out.println(e); } ...

13. doubt on regarding SQLException    forums.oracle.com

class A { void execute() { B b=new B(); b.insertThread("kri",101,"vandavasi"); } } class B { void insertThread(String data,int id,String place) { PreparedStatement ps=ConnectionObject.preparedStatement("insert into krish values (?,?,?)"); ps.setString(1,data); ps.setInt(2,id); ps.setString(3,place); ps.executeUpdate(); } } From the class A iam periodically giving input by calling the insertThread method,initially there is no exception arises,datas added into the table.After a few time,exception arises.The exception is ...

14. SQLException - 10 dukes available    forums.oracle.com

15. SQLException plz help    forums.oracle.com

Yes its provided by SUN. Actuali problem is we have two HP itanium machines. It is working on one of the machine ...but fails to work on the other... I have checked all the versions related to java..an they are the same on both the machines. do we have sum problem related to JDBC sqlmx driver and "getColumns" function.... thnx for ...

16. SQLException Data area size calculation failed    forums.oracle.com

I'm using weblogic to connect to db2. All my select queries are running well except one for wich I receive this error Id=top-level; Method=EstatisticasObj.getStats.getPeriodoHomologoMes(); Failure=java.sql.SQLException: [NEON][SCODBC_R DL L]Data area size calculation failed [ServiceException] I never seen this before and it started to happen suddently. Any help would be appreciated thanks in advance, Manuel Leiria