closing connections in finally block

Home Answers Viewqa JDBC closing connections in finally block

QuestionAsk Questions?

Sing S

closing connections in finally block
1 Answer(s) 2 years and 4 months ago
Posted in : JDBC

Hi,

What will happen if I close connection before closing the resultset in the finally clock?

e.g.

finally... { ... conn.close(); rs.Close(); }

If i do as above ... what will happen?

View Answers

February 8, 2011 at 5:04 PM

If your connection management code is using connection pooling, the connection.close would just put the connection back in the pool. Additionally, some database have a cursor resource on the server that will not be freed properly unless it is explicitly closed.

closing connections in finally block
closing connections in finally block Hi, What will happen if I close connection before closing the resultset in the finally clock? e.g. finally... { ... conn.close(); rs.Close(); } If i do as above ... what will happen

finally block
finally block hii, If I am writing return at the end of the try block and some code in finally block, then the finally block will execute?? hello, certainly finally block will execute

Finally in java
Finally in java In this section we will discuss about finally block in java. Finally block always execute when try block exits. Finally is a block of code that execute after try/catch block. finally will execute whether exception

try and finally block
try and finally block hello, If I write System.exit (0); at the end of the try block, will the finally block still execute? hii... it will always terminate our program. so finally will not execute

Example to show Finally exception in java
; Finally block are the block, that executed when... occured.The Run time always execute the expression in finally block irrespective... the expression in the finally block. Understand with Example. In this Tutorial we want

Interact with connection pools to obtain and release connections
. Always put a close() in a finally block, to guarantee... of a finally block that contains the close(). Because the close() is in a finally block, it will happen even if the code using the connection throws

finally in flex
, the catch block doesn't run. However, the finally block does run. Similarly, the finally block will run even when an error is thrown: try { throw new Error...finally in flex Hi..... Where is finally used and what does it do

Finally() in Java
Finally() in Java After an exception i excute some statement in Finally block.After Fianally block we can execute statements??? if possible... exception1; } Catch(exception1 e) { .... } Finally { try{ }catch(Exeception e

The finally Keyword
; The finally is a Java keyword that is used to define a block.... A finally block typically contains cleanup code that recovers from partial execution of a try block. It is always a good practice to use finally clause after

Java finally
a good practice to use finally clause after the try and catch block to handle... the finally block always executes when the try block exits and it is also useful to write the cleanup code within the finally block because it will be executed surely

Java try, catch, and finally
, catch and finally block is given below: try { / ... Java try, catch, and finally The try, catch, and finally keywords are Java keywords

How sql Queries possible in DAO without creating Database connections - Java Beginners
How sql Queries possible in DAO without creating Database connections In DAO we are writting sql queries , how it is possible without creating and closing database connections

connection closing

window closing

jdbc connections

Statement block
Statement block What is the purpose of a statement block

Closing the browser window
Closing the browser window <BODY> <form> <input type=button value="Close Window" onClick="javascript:window.close();"> </form> <center> <font face="arial, helvetica" size="-2">Free

SCJP Module-6 Question-6
' block without 'catch' And also finally without 'catch'...;); } finally { System.out.println("Inside finally "); } System.out.println... block without 'catch'. 2.No errors. Prints : Inside try

httpd.conf max connections
connections? Thanks Hi, You can add following configuration in httpd.conf file to increase the number of connections to be handled by apache server

Java Function for block inside a block
Java Function for block inside a block Write a function in Java that attempts to place a set of squares of varying widths into another, larger square. If there is no possible layout, return undefined. Otherwise, return

How to make a closing eyes, make a closing eyes, closing eyes
How to make a closing eyes This is a funny example, It is great effort to make still eye to closing eye. You will learn here how is it made possible

DOubt in Mysql connections
DOubt in Mysql connections i have some problem regarding data base connections, i have created a hostname, username and password in filezilla server but after i give those names also it is showing error like this: mysql

Connections with MicroSoft SQL - JDBC
Connections with MicroSoft SQL How to Connect Java and MS SQL?? Actually i used below code i got SQLException and class not found... import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet

SCJP Module-6 Question-27
Given below the sample code : Float pi = new Float(3.14f); if (pi > 3) { System.out.print("value of pi is greater than 3"); } else { System.out.print("value of pi is less than 3 "); } finally

Java error illegal start of type
after the close of try block. Understand with Example In this tutorial... this main method we have a try block that include - 1)InputStreamReader... the value of i in the try block. Otherwise the try block is caught by subsequent

Is catch(){} block synchronized?
Is catch(){} block synchronized? The code in catch(){} block behaves synchronized. In one block, if I do {write to file1; write to file2}, and in another {write to file2; write to file1}, they deadlock. Is this implicit sync

Tracing unexpected closing of awindow... - JSP-Servlet
Tracing unexpected closing of awindow... Hello friends, How can we track unexpectedly closing a window when a jsp project running with session concept. And this tracking should update the log in status in data base

URL Block - Java Beginners
URL Block Hello sir, How to block one website using java.for example if we want block "www.orkut.com" site,how to block this site using java... to block a URL like this?please help me.. Thanking you

maximum limit of database connections have been reached.
maximum limit of database connections have been reached. How do I check in my code whether a maximum limit of database connections have been reached

doubt on synchronized block in java
doubt on synchronized block in java Hi ! some people are feeling... suggestinons.Today i am going to ask on synchronized block. the general form of synchronized block is class table { ....... void printTable(int n

Closing Statement and ResultSet Objects - Development process
Closing Statement and ResultSet Objects I Friend. i am getting the closing the objects problem. i am using the business logic in jsp now.it is having the two or more statements objects and results set objects ,how

closing thread for jdk1.5 or higher versions - Java Beginners
closing thread for jdk1.5 or higher versions Hi All, I am using jdk1.5 and higher version of java. I tried to destroy thread by using Thread.destroy() method, but I am getting error like: Exception

check condition in if-else block

JDBC access database
and interfaces for connecting the front end in Java application with database connections... there is an exception occurred in loading a database in the try block. The catch block check... the rows obtained from a result set. Finally the println print the Id and name

Help with opening a text file upon closing a program.
Help with opening a text file upon closing a program. I need some helping in figuring out something I want to do. I have this program that is a swimming pool volume calculator. It stored that data on a output.txt file but I want

how to implements jdbc connections using awt
how to implements jdbc connections using awt sir, My name is subbareddy vajrala.I want to implement small project on awt.so please give me your valuable information about how to implements jdbc connections in awt.please give

how to implements jdbc connections using awt?
how to implements jdbc connections using awt? My name is Aditya Shinde.I want to implement small project on awt.so please give me your valuable information about how to implements jdbc connections in awt.please give me sample

how to connection jsp to oracle database connections in netbeans ide
how to connection jsp to oracle database connections in netbeans ide how to connect jsp to oracle database connections in netbeans ide?pls provide screenshots if possible

iPhone 3.0 is finally here!
iPhone 3.0 is finally here! ... of the hugely popular iPhone has finally come out with the third OS instalment... that were sorely missed in the previous versions, have finally made appearance

Summary - Control Flow
statement, which often encloses a block of statements in curly braces...-object; Multiple catch clauses and finally clause Executes first catch clause that specifies the exception class or a super class. The finally clause

Maximum number of catches for a try block

block IP of LAN machines from server - RMI
block IP of LAN machines from server i want to block the IP... server. IP block means,I want to restrict them to access the internet. so, how is it possible to block IP of LAN machines from server

Summary - Statements
, which often encloses a block of statements in curly braces {}. The examples assume the block contains more than one statement. The effect of the switch...); Multiple catch clauses and finally clause Executes first catch

closing the internet explorer window of any version without confirmation using javascript
closing the internet explorer window of any version without confirmation using javascript Hi all, Here is my requirement, I have to close microsoft internet explorer window on onload event without confirmation. It should

Closing any kind of browser window without confirmation using javascript
Closing any kind of browser window without confirmation using javascript Here is my requirement, I have to close a browser window on onload event. I have tried with window.close() and self.close(). But it doesn't work. Please

Block edit menu option - JSP-Servlet
Block edit menu option I am doing a jsp project. I have to control number of characters in a text area upto a limit. How can i block pasting through edit menu and pasting through short cut key [ctrl+v

a competitive study on cryptography techniques over block cipher
a competitive study on cryptography techniques over block cipher i need "a competitive study on cryptography techniques over block cipher" project source code... plz reply to my post... for more information about this project

Latest
Frameworks
Category