Glassfish Cluster

Setup Glassfish Cluster environment

Refer to this blog to set up glassfish cluster environment.

Additional setting in ZK project

You have to configure the following settings to make ZK project work in glassfish cluster environment.

web.xml

• Add the distributable element in WEB-INF/web.xml.

<?xml version="1.0"?>
<web-app  xmlns="http://java.sun.com/xml/ns/javaee"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
    version="2.5">
    
    <distributable/>

</web-app>

sun-web.xml

• Create sun-web.xml under projectName/WEB-INF folder to replicate session between cluster nodes.

For example,

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE sun-web-app PUBLIC "-//Sun Microsystems, Inc.//DTD GlassFish Application Server 3.0 Servlet 3.0//EN" 
        "http://www.sun.com/software/appserver/dtds/sun-web-app_3_0-0.dtd">
<sun-web-app>
    <context-root>projectName</context-root>
    <session-config>
        <session-manager persistence-type="replicated">
            <manager-properties>
                <property name="persitencerequency" value="web-method" />
            </manager-properties>
            <store-properties>
                <property name="persistenceScope" value="session" />
            </store-properties>
        </session-manager>
    </session-config>
</sun-web-app>