ZK Installation Guide/Setting up Servers/Glassfish Cluster

Setup Glassfish Cluster environment

Reference to this blog on how to set up glassfish cluster environment.

Additional setting in ZK project

You have to configure the following settings for to make ZK 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 file under 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>