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Visualizzazione dei post da Marzo, 2014

Tomcat Thread Pool configuration

In order to accept incoming requests, Tomcat uses a Thread pool. You can configure two types of Thread Pools: Shared Pool and Dedicated Pool.
A Shared pool as the name inplies, can be shared among various components in Tomcat. So, for example if you have three connectors in your configuration, then you can use a single shared pool to serve requests for all of them. Here is how to configure a shared thread pool:

Open Tomcat's server.xml file and include the Executor definition:

namePrefix="catalina-exec-" maxThreads="150" minSpareThreads="4"/>
Once you have added the shared thread pool, you need to reference it in your Connector configuration as follows:
namePrefix="catalina-exec-" maxThreads="200" minSpareThreads="4"/>
A Dedicated threadpool is a thread pool which is dedicated to only one connector definition. You can use it in a scenario when you are expecting a peak of connections and you want to have ful…

Tomcat Datasource configuration using MySQL

Configuring a MySQL Datasource on Tomcat Pre-requisite. Download MySQL JDBC Driver from: https://dev.mysql.com/downloads/connector/j/

In order to configure a Datasource on Tomcat for MySQL Database you need to follow these three simple steps:

1) Define the Datasource in server.xml
Include a Datasource configuration in your Tomcat's server.xml file within the Context section, containing information about the JDBC URL, username and password and the maximum number of active connections allowed in the pool:

<Resource name="jdbc/MySQLDS" auth="Container" type="javax.sql.DataSource" username="root" password="admin" driverClassName="com.mysql.jdbc.Driver" url="jdbc:mysql://localhost:3306/schema" maxActive="15" maxIdle="7" defaultTransactionIsolation="READ_COMMITTED" validationQuery="Select 1"/>2) Install…

Tomcat Datasource configuration using Oracle

Pre-requisite. Download Oracle JDBC Driver from: Oracle JDBC Drivers are available at Oracle Site: http://www.oracle.com/technetwork/database/enterprise-edition/jdbc-112010-090769.html

In order to configure a Datasource on Tomcat for Oracle Database you need to follow these three simple steps:

1) Define the Datasource in server.xml
Include a Datasource configuration in your Tomcat's server.xml file within the Context section, containing information about the JDBC URL, username and password and the maximum number of active connections allowed in the pool:

<Resource name="jdbc/OracleDS" auth="Container" type="javax.sql.DataSource" username="scott" password="tiger" driverClassName="com.mysql.jdbc.Driver" url="jdbc:oracle:thin:@localhost:1521:test" maxActive="15" maxIdle="7" defaultTransactionIsolation="READ_COMMITTED" …