Connection pooling is a technique used to improve performance in applications with dynamic database driven content. Opening and closing database connections may not seem like a costly expense but it can add up rather quickly. Let's assume it takes 5ms to establish a connection and 5ms to execut...
Database Connection Pooling and its Application in Java连接池技术及其Java实现Java 数据库连接池技术Java语言面向对象Internet本文以实例应用的方式说明了连接池在Java下的开发方法,经过实践得出了最终结论:恰当的使用连接池技术将重用内存资源.节省机器内存,大大提高程序的效率....
Database connection pooling enhances the performance of servlet or JSP database interactions. For more information about the JavaTMDataBase Connectivity (JDBCTM) software, seeConfiguring JDBC ResourcesinSun Java System Web Server 7.0 Update 5 Administrator’s Guide. The simplest connection pool can be ...
(cf, pool, null, "SELECT * FROM mysql.db", false, true); // register our pool and give it a name new PoolingDriver().registerPool("myPool", pool); // get a connection and test it Connection conn = DriverManager.getConnection("jdbc:apache:commons:dbcp:myPool"); // now we can ...
Apache Commons Components Please see thelist of components 简介 Java Database Connection Pooling 暂无标签 Java等 3 种语言 Apache-2.0 Code of conduct 发行版 暂无发行版 commons-dbcp 开源评估指数 生产力 创新力 稳健性 协作 贡献者 软件 贡献者(74) 全部...
c3p0 database pooling Statement close FAILED. java.sql.SQLRecoverableException: Closed Connection We have build api on mulesoft and deployed to cloudhub (vpc + vpn config), the application connects to database on premise. The application logs shows below warning...
Is version 1.8 of this project now integrated with database connection pooling? If so, please show a description or link ,THX! Collaborator Sign up for freeto join this conversation on GitHub. Already have an account?Sign in to comment
org.apache.tomcat.dbcp.dbcp.PoolingDataSource$PoolGuardConnectionWrapper.close(PoolingDataSource.java:181) at com.csc.mm.db.DBUtil.executeQuery(DBUtil.java:408) (truncated - application code) <Resource name="jdbc/main" url="jdbc:mysql://blahblah/blahblah?profileSQL=false&zeroDateTimeBehavior=...
Connection Returns the database connection that created this metadata. DatabaseMajorVersion Returns the major version number of the database software. DatabaseMinorVersion Returns the minor version number of the database software. DatabaseProductName Returns the name of the database software. Data...
It has been suggested that the pooling mechanism is a dynamic caching system; and looking at it as a caching system is starting to make more sense to me. where it just keeps x number of connections arround at any given point in time. Your answer has saved me some time. I think you...