知识大全 jboss配置 mysql数据库连接池

Posted 2022-07-18 数据库

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jboss配置 mysql数据库连接池实例 :配置: JDK JBoss Mysql Myeclipse : 建立数据库: create database test;use test;DROP TABLE IF EXISTS `test`;CREATE TABLE `test` ( `Test_id` int( ) NOT NULL auto_increment `Test_name` varchar( ) NOT NULL default `Test_password` varchar( ) NOT NULL default PRIMARY KEY (`Test_id`)) ENGINE=InnoDB DEFAULT CHARSET=latin ;INSERT INTO `test` VALUES ( test test ) ( test test ); :Copy MySQL的JDBC驱动放到jboss \\server\\default\\lib 可到MYsql网站下载 :在 jboss \\server\\default\\deploy下新建文件mysql ds xml 可从jboss \\docs\\examples\\jca copy 修改想配置多个连接池只要多加一个<local tx datasource></local tx datasource> 其中内容如下: <?xml version= encoding= UTF ?><! $Id: mysql ds xml v / / : : acoliver Exp $ ><! Datasource config for MySQL using available from:l ><datasources> <local tx datasource> <jndi name>test</jndi name> <connection url>jdbc:mysql:// : /test</connection url><!?test为数据库名 > <driver class> mysql jdbc Driver</driver class> <user name>root</user name><!?用户名以下相同 > <password>xxxxxxxx</password><!?密码以下相同 > <exception sorter class name> jboss resource adapter jdbc vendor MySQLExceptionSorter</exception sorter class name> <! should only be used on drivers after with ping support <valid connection checker class name> jboss resource adapter jdbc vendor MySQLValidConnectionChecker</valid connection checker class name> > <! sql to call when connection is created <new connection sql>some arbitrary sql</new connection sql> > <! sql to call on an existing pooled connection when it is obtained from pool MySQLValidConnectionChecker is preferred for newer drivers <check valid connection sql>some arbitrary sql</check valid connection sql> > <! corresponding type mapping in the standardjbosscmp jdbc xml (optional) > <metadata> <type mapping>mySQL</type mapping> </metadata> </local tx datasource></datasources> :修改jboss \\server\\default\\conf\\ standardjaws xml<jaws><datasource>java:/test</datasource> <type mapping>mySql</type mapping> </jaws>修改jboss \\server\\default\\conf\\ standardjbosscmp jdbc xml<jbosscmp jdbc> <defaults> <datasource>java:/test</datasource><datasource mapping>mySql</datasource mapping></defaults></jbosscmp jdbc>修改jboss \\server\\default\\conf\\ login config xml<application policy name = MySqlDbRealm > <authentication> <login module code = jboss resource security ConfiguredIdentityLoginModule flag = required > <module option name = principal >test</module option> <module option name = userName >root</module option> <module option name = password >xxxxxxxx</module option> <module option name = managedConnectionFactoryName > jboss jca:service=LocalTxCM name=test </module option> </login module> </authentication> </application policy> :Myeclispe 新建Web project 命名为:UseTest新建JAVA类DatabaseConn javapackage db;import java sql *;import javax naming *;import javax sql DataSource;public class DatabaseConn public static synchronized Connection getConnection() try Context envCtx = new InitialContext(); DataSource ds = (DataSource) envCtx lookup( java:/test ); return ds getConnection(); catch (SQLException e) System out println( 数据源配置发生错误 + e toString()); return null; catch (NamingException e ) System out print( 数据源配置 + e toString()); return null; public static void close(ResultSet rs Statement st Connection conn) try if (rs != null) rs close(); catch (SQLException ex) ; try if (st != null) st close(); catch (SQLException ex) ; try if (conn != null) conn close(); catch (SQLException ex) ; :新建JSP页面:MyJsp jsp<%@ page language= java import= java util * pageEncoding= GB %><%@ page import= java sql * %> <%@ page import= db * %><!DOCTYPE HTML PUBLIC //W C//DTD HTML Transitional//EN ><> <head> <title>My JSP MyJsp jsp starting page</title> <meta equiv= pragma content= no cache > <meta equiv= cache control content= no cache > <meta equiv= expires content= > <meta equiv= keywords content= keyword keyword keyword > <meta equiv= description content= This is my page > <! <link rel= stylesheet type= text/css > > </head> <body> <% Connection conn = DatabaseConn getConnection();Statement stmt=conn createStatement();ResultSet rs=stmt executeQuery( select * from test );while(rs next())out println(rs getInt( Test_id ));out println(rs getString( Test_name ));out println(rs getString( Test_password ));DatabaseConn close(rs stmt conn);%> </body></> :部署Web project :重新启动服务器 :访问: cha138/Article/program/Java/ky/201311/28391