Hi,
Anyone can help me to write an algorithm for object pooling. I am very new in J2EE and i need object pooling for database connection. So please help out.
Thanks
We use OpenEJB on Tomcat (used to run on JBoss, Weblogic, etc.). While running load tests we experience significant performance problems with handling JMS messages (queues). Problem was localized to blocking on database connection pool getting or releasing connection to the pool. Blocking prevented concurrent MDB instances (threads) from running…
I am using JBOSS 5.1.0.GA, MySQL 5.5 and Hibernate 3.3.1 GA (included with JBOSS) + Spring.
My question is do I need to add c3p0 as a data source in my spring/hibernate configuration for connection pooling or are the setting in the JBOSS mysql-ds.xml setting enough.
My mysql-ds.xml is the following:
<datasources>
…
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I have a Windows Server 2008 machine with dual NICs. Both are plugged into the same switch in a typical one-switch, one-gateway home network.
This server is used almost exclusively for inbound connections. It hosts a web server (IIS 6), SQL server, and file server (via LAN UNC paths and mapped drives).
How do I…
Hi All,
I'm using EJBs with hiberante and WAS connection pooling...
i'm not able to acess the datasouce Ojcet......
is there any sample code or help form any one...
Hi there,
I'm looking for a fast SSL socket client basically talks SSL with remote service and I need features like connection pooling/limiting so that my other client calling this ssl socket can basically issue as many as requests and it will handle it peacefully.
I looked into openssl s_client, but it says…
Hi, I can't figure out what to use for scheduling and pooling runnables of different state (each Runnable instance has different state). I could use ScheduledExecutorFactoryBean together with MethodInvokingRunnable to supply arguments. But take a look at the key ScheduledExecutorFactoryBean method, it is…
I have the following code, If I use conn == null in finally do I still use connection pooling?
I know it is a good practice to close your connection but how about disposing the whole connection object?
public void ExecuteNonQuery(SqlCommand Cmd)
{
//========== Connection ==========//
…
Hy guys, after a lot of problem with my hoster, i decided to disable connection pooling of my application.
The problem was related to the number of concurrent connections : only five.
So i decided to disable connection pooling: the result is that my web app don't crash.
So i'm asking you: are there…
What is the advantage and disadvantage of connection timeout=0?
And what is the use of Connection Lifetime=0?
e.g (Database=TestDB;port=3306;Uid=usernameID;Pwd=myPassword;Server=192.168.10.1;Pooling=false;Connection Lifetime=0;Connection Timeout=0)
and what is the use of Connection Pooling?
I am looking at the advantages of threadpooling design pattern in Embedded systems.
I have listed few advantages, please go through them, comment and please suggest any other possible advantages that I am missing.
Scalability in systems like ucos-2 where there is limit on number of threads. …
I'm writing an app that will create lots of JMS topic subscribers. What is best practise regarding reusing sessions?
A session per subscriber? A pool of sessions? With a session per subscriber the thread count seems unreasonable. Is this a job for something like a ServerSessionPool? What I've…
Is it possible to access a Apache::DBI database handle from a perl script (that isn't running under mod_perl).
What I am looking for is database pooling for my perl scripts, I have a fair number of database sources (oracle/mysql) and a growing number of scripts.
Some ideas like SQLRelay,…
Hi,
I have an application that is deployed on tomcat on server A and sends queries to a huge variety of mssql databases on an server B.
I am concerned that my application could overload this mssql database server and would like some way to preventing it making requests to connect to any…
I have an application that is deployed on tomcat on server A and sends queries to a huge variety of SQL Server databases on an server B.
I am concerned that my application could overload this SQL Server database server and would like some way to preventing it making requests to connect…
What I'm trying to do is to update my database after a period of time. So I'm using java scheduler and connection pooling. I don't know why but my code only working once.
It will print:
init success
success
javax.naming.NameNotFoundException: Name [comp/env] is not bound in this…
When opening a connection to SQL Server 2005 from our web app, we occasionally see this error:
"Impersonate Session Security Context" cannot be called in this batch because a simultaneous batch has called it.
We use MARS and connection pooling.
The exception originates from…
I'm having trouble finding a clear explanation of connection pooling. I'm building an app using the .NET connector I downloaded from mysql.com. The app only needs one db connection but will be running simultaneously on about 6 machines on my network. Normally, I'd create the…
I am new to jboss and i have been asked to incorporate jboss connection pooling mechanism with an existing web application. Considering that a web application database layer is properly written i.e. all resultsets, statements and connections being closed properly when not…
Is there a ruby gem or such for MySQL connection pooling that isn't part of rails? I simply have a ruby script (again, I don't do anything with rails).
Hows does Drupal 6 interact with MySQL for connections and transactions? Does connection pooling get used? How are transactions handled? At what level are these things managed by Drupal vs being handed off to be handled by MySQL?
I did a good amount of searching on…
I've just installed Windows 7 x64 Ultimate on my desktop PC. I installed IIS, Visual Studio 2008, registered ASP.NET, etc.
I have this ASP.NET 3.5 website I'm working on running EXTREMELY slow on this new IIS. On STA and PROD servers (Windows 2003 Server) and on my…
sometime the connection from application to database will drop and i get SQLState: 08006 error Code: 17002. Below is my configuration for database pooling
<prop key="hibernate.dialect">org.hibernate.dialect.Oracle10gDialect</prop>
…