jdbc connection pool

Database connection pool using the JAVA version BoneCP

BoneCP is a fast, free, open-source, Java database connection pool (JDBC Pool) library. If you are familiar with C3P0 and DBCP then you already know what this means. For the rest, this is a library that will manage a database connection for you to ge

Decision analysis platform (RBP) in weblogic8.1 deployment under

Run-dry decision analysis platform (referred to as RBP) is a decision for the analysis of enterprise applications solutions for a variety of business systems within the organization parallel situation can be completely run dry RBP data can not be used in

Use to connect using jdbc c3p0 and direct comparison of

DBPool is a connection pool to manage the class, then using c3p0. One of the main () method to test the jdbc connection pool and database connection speed. public class DBPool { private static DBPool dbPool; private ComboPooledDataSource dataSource;

A hibernate connection configuration for later use

Hibernate.cfg.xml <?xml version='1.0' encoding='utf-8'?> <!DOCTYPE hibernate-configuration PUBLIC "-//Hibernate/Hibernate Configuration DTD 3.0//EN" "http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd"> <hibernate-configurati

A hibernate connection configuration for future use

Hibernate.cfg.xml <?xml version='1.0' encoding='utf-8'?> <!DOCTYPE hibernate-configuration PUBLIC "-//Hibernate/Hibernate Configuration DTD 3.0//EN" "http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd"> <hibernate-configuration

Servlet and JSP Experience

In the servlet's init () method for caching data When the application server after initialization Servlet and JSP examples, to provide services before the client requests, it calls the servlet's init () method. In a servlet's life cycle, init

mysql JDBC connection pool problem solving in Chinese

In a recent project in the use Mysql as database, application server is a resin. However, the connection pool using the resin was found after the Chinese data is saved to the database garbled, not display correctly. I suppose the reason is not supported c

Tomcat class loading mechanism

(Transfer from: http://blog.163.com/haizai219 @ 126/blog/static/44412555200810111429791 / http://andyao.javaeye.com/blog/34409 ) Tomcat Server at boot time to construct a ClassLoader tree, to ensure the module library is private Tomcat Server's ClassL

JSP application to upgrade the seven trick

Reprinted: JSP application to upgrade the seven trick http://www.javathinker.org/main.jsp?bc=showessay.jsp&id=747 You always been customer complaints JSP page is slow to respond to it? Have you thought about when the surge in customer visits, your WEB

hibernate Introduction

First need to understand the xml document hibernate.cfg.xml document <?xml version='1.0' encoding='utf-8'?> <!DOCTYPE hibernate-configuration PUBLIC "-//Hibernate/Hibernate Configuration DTD 3.0//EN" "http://hibernate.sourceforge.net/hiberna

myeclipse jdbc connection pool configuration under the

Hardware conditions: MyEclipse6.0 jdk 6.0_11 mysql 6.1 tomcat 6.0 Database: bookstore Specific steps: 1, the database driver JAR file in Tomcat's lib of; 2, set the data source in server.xml to MySQL database, for example, as follows: In <Glob

Jsp page to reflect the speed upgrade

Method 1: In the servlet's init () method for caching data When the application server after initialization servlet instance for the service before the client requests, it calls the servlet's init () method. In a servlet's life cycle, init ()

[Change] java programming optimization 37

1.JVM management of two types of memory: heap memory (heap), stack memory (stack), stack within the main program at run time to store the created or instantiated object and variable. The stack memory is used to store program code declared as static ( ...

java programming optimization

1.JVM manage two types of memory: heap memory (heap), stack memory (stack), stack is mainly used within stored procedures at run time to create or instantiate objects and variables. While the stack memory is used to store programs code declared as a ...

Optimized JAVA Programming (change)

1.JVM manage two types of memory: heap memory (heap), stack memory (stack), mainly used to stored procedures within the heap at run time To create or instantiate objects and variables. While the stack memory is used to store program code declared as a sta

JDBC Hang lead connection is not enough

Problem Description A JDBC connection which is used by an application or by WebLogic Server itself will block one WebLogic Server execute thread for the complete duration of the calls that are made via this connection. The JVM will ensure that the CPU is

On the ora-12505 ORACLE error, and connectivity solutions and related information

On the ora-12505 ORACLE error, and connectivity solutions and related information Recently, I use jdbc to connect oracle 9i database, the following error occurred: Error occured while trying to connect to the database Error connecting to database: (using

A simple jdbc connection pool implementation

import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.Statement; import java.util.Vector; public class DBPool ( private static String userName = "czm"; private static String pwd = "123456 ...

C3P0 in Hibernate configuration connection pool

http://www.cn-java.com/www1/?action-viewnews-itemid-10329 Hibernate's own connection pooling algorithm quite immature. It is only in order to let you get started as soon as possible, not suitable for the product or performance tests. For the best ...

hibernate using c3p0 connection pooling

Private http://www.lifevv.com/tenyo/doc/20070605102040991.html c3p0 for open source's JDBC connection pool, with the release hibernate. This article describes how to use the hibernate configuration in c3p0. c3p0 connection pool configuration is v ...

hibernater to learn a (first program)

This is the first exercise program. The main task is to create a Student class. Using hibernate class to add data to the database. An environment to build hibernate. (1) First you need to download three files: hibernate-annotations-3.4.0.GA, hibernate-dis
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