{"id":36429,"date":"2021-04-21T11:43:00","date_gmt":"2021-04-21T16:43:00","guid":{"rendered":"https:\/\/www.rosehosting.com\/blog\/?p=36429"},"modified":"2024-03-06T05:10:22","modified_gmt":"2024-03-06T11:10:22","slug":"glassfish-and-payara-auto-clustering-running-java-ee-highly-available-applications-in-the-cloud","status":"publish","type":"post","link":"https:\/\/www.rosehosting.com\/blog\/glassfish-and-payara-auto-clustering-running-java-ee-highly-available-applications-in-the-cloud\/","title":{"rendered":"Glassfish and Payara Auto-clustering: Running Java EE Highly-available Applications In The Cloud"},"content":{"rendered":"<div id=\"bsf_rt_marker\"><\/div>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"742\" height=\"372\" src=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/glassfish-and-payara-autod-clustering-running-java-ee-highly-available-applications-in-the-cloud.jpg\" alt=\"\" class=\"wp-image-36430\" srcset=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/glassfish-and-payara-autod-clustering-running-java-ee-highly-available-applications-in-the-cloud.jpg 742w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/glassfish-and-payara-autod-clustering-running-java-ee-highly-available-applications-in-the-cloud-300x150.jpg 300w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/glassfish-and-payara-autod-clustering-running-java-ee-highly-available-applications-in-the-cloud-150x75.jpg 150w\" sizes=\"(max-width: 742px) 100vw, 742px\" \/><\/figure>\n\n\n\n<p>Building a highly-available clustered infrastructure is one of the most commonly used solutions to achieve 100% uptime for your application. In a clustered environment, there is a number of interconnected instances running the same stack and operating the same data. So cluster is able to handle more load than a single server. It will also add more servers automatically to the cluster as per application demand.<\/p>\n\n\n\n<p>In this guide, we will show you how to deploy Java EE applications using <a href=\"https:\/\/www.rosehosting.com\/managed-cloud-hosting.html\">Glassfish and Payara auto-clustering on the RoseHosting Cloud platform<\/a>.<\/p>\n\n\n\n<!--more-->\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_65 counter-hierarchy ez-toc-counter ez-toc-transparent ez-toc-container-direction\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-662df27caaf2a\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"ez-toc-cssicon\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-662df27caaf2a\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.rosehosting.com\/blog\/glassfish-and-payara-auto-clustering-running-java-ee-highly-available-applications-in-the-cloud\/#1-Create-GlassFish-Environment\" title=\"1. Create GlassFish Environment\">1. Create GlassFish Environment<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.rosehosting.com\/blog\/glassfish-and-payara-auto-clustering-running-java-ee-highly-available-applications-in-the-cloud\/#2-Deploy-a-Java-Application\" title=\"2. Deploy a Java Application\">2. Deploy a Java Application<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.rosehosting.com\/blog\/glassfish-and-payara-auto-clustering-running-java-ee-highly-available-applications-in-the-cloud\/#Cloning-Cluster-for-AB-Testing\" title=\"Cloning Cluster for A\/B Testing\">Cloning Cluster for A\/B Testing<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"h-1-create-glassfish-environment\"><span class=\"ez-toc-section\" id=\"1-Create-GlassFish-Environment\"><\/span>1. Create GlassFish Environment<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>First, log in to RoseHosting cloud platform at https:\/\/app.rosehosting.cloud as shown below:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"527\" src=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/glassfish-and-payara-auto-clustering-running-java-ee-highly-available-applications-in-the-cloud.png\" alt=\"glassfish and payara auto-clustering running java ee highly-available applications in the cloud\" class=\"wp-image-36503\" srcset=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/glassfish-and-payara-auto-clustering-running-java-ee-highly-available-applications-in-the-cloud.png 1024w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/glassfish-and-payara-auto-clustering-running-java-ee-highly-available-applications-in-the-cloud-300x154.png 300w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/glassfish-and-payara-auto-clustering-running-java-ee-highly-available-applications-in-the-cloud-150x77.png 150w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/glassfish-and-payara-auto-clustering-running-java-ee-highly-available-applications-in-the-cloud-768x395.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Click on the <strong>NEW ENVIRONMENT<\/strong> button. You should see the following page:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"976\" height=\"610\" src=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/glassfish-and-payara-auto-clustering.png\" alt=\"glassfish and payara auto-clustering\" class=\"wp-image-36506\" srcset=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/glassfish-and-payara-auto-clustering.png 976w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/glassfish-and-payara-auto-clustering-300x188.png 300w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/glassfish-and-payara-auto-clustering-150x94.png 150w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/glassfish-and-payara-auto-clustering-768x480.png 768w\" sizes=\"(max-width: 976px) 100vw, 976px\" \/><\/figure>\n\n\n\n<p>Click on the Java tab then choose Nginx and GlassFish or Payara application server. Then, define appropriate cloudlets, enable Auto-Clustering, provide your environment name and click on the Create button. Once the environment has been created successfully, you should see the following page:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"423\" src=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/running-java-ee-highly-available-applications-in-the-cloud.png\" alt=\"running java ee highly-available applications in the cloud\" class=\"wp-image-36507\" srcset=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/running-java-ee-highly-available-applications-in-the-cloud.png 1024w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/running-java-ee-highly-available-applications-in-the-cloud-300x124.png 300w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/running-java-ee-highly-available-applications-in-the-cloud-150x62.png 150w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/running-java-ee-highly-available-applications-in-the-cloud-768x317.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>You should also receive an email with the necessary credentials to access the Glassfish server as shown below:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"665\" height=\"416\" src=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/glassfish-and-payara-auto-clustering-running-java-ee-highly-available-applications.png\" alt=\"glassfish and payara auto-clustering running java ee highly-available applications\" class=\"wp-image-36508\" srcset=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/glassfish-and-payara-auto-clustering-running-java-ee-highly-available-applications.png 665w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/glassfish-and-payara-auto-clustering-running-java-ee-highly-available-applications-300x188.png 300w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/glassfish-and-payara-auto-clustering-running-java-ee-highly-available-applications-150x94.png 150w\" sizes=\"(max-width: 665px) 100vw, 665px\" \/><\/figure>\n\n\n\n<p><strong>The above environment topology will do the following things:<\/strong><\/p>\n\n\n\n<ol><li>Create two Glassfish server instances with an Nginx load balancer to handle the incoming requests and distribute them among worker nodes.<\/li><li>Add a dedicated Domain Administration Server(DAS) to control all cluster nodes and interact between them via SSH.<\/li><li>DAS server is linked to all other worker nodes with the DAS alias hostname. It will be used by worker nodes for interaction.<\/li><\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2-Deploy-a-Java-Application\"><\/span>2. Deploy a Java Application<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>In order to test the high availability of Glassfish auto-clustering environment. you will need to deploy a Java application and test the high availability.<\/p>\n\n\n\n<p><strong>Follow the below steps to deploy a Java application:<\/strong><\/p>\n\n\n\n<p><strong>Step 1 <\/strong>\u2013 On the Gassfish node, click on the <strong>Open in Browser<\/strong> button as shown below:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"314\" src=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/glassfish-and-payara-auto-clustering-running-java-ee.png\" alt=\"glassfish and payara auto-clustering running java ee \" class=\"wp-image-36511\" srcset=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/glassfish-and-payara-auto-clustering-running-java-ee.png 1024w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/glassfish-and-payara-auto-clustering-running-java-ee-300x92.png 300w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/glassfish-and-payara-auto-clustering-running-java-ee-150x46.png 150w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/glassfish-and-payara-auto-clustering-running-java-ee-768x236.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>You should see the Glassfish server page:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"328\" src=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/auto-clustering-glassfish-and-payara-running-java-ee-highly-available-applications-in-the-cloud.png\" alt=\"\" class=\"wp-image-36514\" srcset=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/auto-clustering-glassfish-and-payara-running-java-ee-highly-available-applications-in-the-cloud.png 1024w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/auto-clustering-glassfish-and-payara-running-java-ee-highly-available-applications-in-the-cloud-300x96.png 300w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/auto-clustering-glassfish-and-payara-running-java-ee-highly-available-applications-in-the-cloud-150x48.png 150w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/auto-clustering-glassfish-and-payara-running-java-ee-highly-available-applications-in-the-cloud-768x246.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>Step 2<\/strong> \u2013 Click on the \u201c<strong>go to the Administration Console<\/strong>\u201d to access the Glassfish admin interface:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"543\" src=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/auto-clustering-glassfish-and-payara-running-java-ee-highly-available-applications.png\" alt=\"auto-clustering glassfish and payara running java ee highly-available applications\" class=\"wp-image-36516\" srcset=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/auto-clustering-glassfish-and-payara-running-java-ee-highly-available-applications.png 1024w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/auto-clustering-glassfish-and-payara-running-java-ee-highly-available-applications-300x159.png 300w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/auto-clustering-glassfish-and-payara-running-java-ee-highly-available-applications-150x80.png 150w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/auto-clustering-glassfish-and-payara-running-java-ee-highly-available-applications-768x407.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Provide the admin username and password which you received in the email and click on the <strong>Login<\/strong> button. You should see the Glassfish admin console in the following page:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"527\" src=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/deploy-java-ee-highly-available-applications-in-the-cloud-with-glassfish-and-payara-auto-clustering.png\" alt=\"\" class=\"wp-image-36518\" srcset=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/deploy-java-ee-highly-available-applications-in-the-cloud-with-glassfish-and-payara-auto-clustering.png 1024w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/deploy-java-ee-highly-available-applications-in-the-cloud-with-glassfish-and-payara-auto-clustering-300x154.png 300w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/deploy-java-ee-highly-available-applications-in-the-cloud-with-glassfish-and-payara-auto-clustering-150x77.png 150w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/deploy-java-ee-highly-available-applications-in-the-cloud-with-glassfish-and-payara-auto-clustering-768x395.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>Step 3<\/strong> \u2013 Next, download the <a href=\"https:\/\/github.com\/jelastic-jps\/glassfish\/blob\/master\/glassfish-cluster\/test-app\/clusterjsp.ear?raw=true\">clusterjsp.ear<\/a> application to your Desktop.<\/p>\n\n\n\n<p><strong>Step 4 <\/strong>\u2013 Next, click on the <strong>Applications<\/strong> section. You should see the following page:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/deploy-java-ee-highly-available-applications-in-the-cloud.png\" alt=\"deploy java ee highly-available applications in the cloud\" class=\"wp-image-36519\" srcset=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/deploy-java-ee-highly-available-applications-in-the-cloud.png 1024w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/deploy-java-ee-highly-available-applications-in-the-cloud-300x150.png 300w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/deploy-java-ee-highly-available-applications-in-the-cloud-150x75.png 150w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/deploy-java-ee-highly-available-applications-in-the-cloud-768x384.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"533\" src=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/highly-available-java-ee-applications-in-the-cloud-with-glassfish-and-payara-auto-clustering.png\" alt=\"\" class=\"wp-image-36521\" srcset=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/highly-available-java-ee-applications-in-the-cloud-with-glassfish-and-payara-auto-clustering.png 1024w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/highly-available-java-ee-applications-in-the-cloud-with-glassfish-and-payara-auto-clustering-300x156.png 300w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/highly-available-java-ee-applications-in-the-cloud-with-glassfish-and-payara-auto-clustering-150x78.png 150w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/highly-available-java-ee-applications-in-the-cloud-with-glassfish-and-payara-auto-clustering-768x400.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>Step 5<\/strong> \u2013 Here, upload the downloaded <strong>clusterjsp.ear<\/strong> file to the <strong>Packaged File to Be Uploaded to the Server location<\/strong>, provide the application name, enable the availability, set up <strong>cluster1<\/strong> as the application target and click on the <strong>OK<\/strong> button. You should see the following page:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"285\" src=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/deploy-java-ee-highly-available-applications.png\" alt=\"deploy java ee highly available applications\" class=\"wp-image-36524\" srcset=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/deploy-java-ee-highly-available-applications.png 1024w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/deploy-java-ee-highly-available-applications-300x83.png 300w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/deploy-java-ee-highly-available-applications-150x42.png 150w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/deploy-java-ee-highly-available-applications-768x214.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>Step 6<\/strong> \u2013 Now, open your web browser and open the URL http:\/\/glassfish.rosehosting.us\/clusterjsp. You should see the following page:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1022\" height=\"670\" src=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/highly-available-applications-in-the-cloud-with-glassfish-payara-auto-clustering.png\" alt=\"highly-available applications in the cloud with glassfish payara auto-clustering\" class=\"wp-image-36525\" srcset=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/highly-available-applications-in-the-cloud-with-glassfish-payara-auto-clustering.png 1022w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/highly-available-applications-in-the-cloud-with-glassfish-payara-auto-clustering-300x197.png 300w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/highly-available-applications-in-the-cloud-with-glassfish-payara-auto-clustering-150x98.png 150w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/highly-available-applications-in-the-cloud-with-glassfish-payara-auto-clustering-768x503.png 768w\" sizes=\"(max-width: 1022px) 100vw, 1022px\" \/><\/figure>\n\n\n\n<p><strong>Step 7<\/strong> \u2013 Provide session attribute name, value and click on <strong>Add Session Data<\/strong>.<\/p>\n\n\n\n<p><strong>Step 8<\/strong> \u2013 Now, go to the Glassfish admin console and click on the <strong>Clusters &gt; cluster1 &gt; Instances<\/strong> tab. You should see the two cluster instance in the following page:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"451\" src=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/deploy-java-ee-in-the-cloud-with-glassfish-payara-auto-clustering.png\" alt=\"deploy java ee in the cloud with glassfish payara auto-clustering\" class=\"wp-image-36527\" srcset=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/deploy-java-ee-in-the-cloud-with-glassfish-payara-auto-clustering.png 1024w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/deploy-java-ee-in-the-cloud-with-glassfish-payara-auto-clustering-300x132.png 300w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/deploy-java-ee-in-the-cloud-with-glassfish-payara-auto-clustering-150x66.png 150w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/deploy-java-ee-in-the-cloud-with-glassfish-payara-auto-clustering-768x338.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>Step 9<\/strong> \u2013 Select the first instance and click on the <strong>Stop<\/strong> button to stop the instance.<\/p>\n\n\n\n<p><strong>Step 10 <\/strong>\u2013 Now, reload your application at http:\/\/glassfish.rosehosting.us\/clusterjsp. You should see the following page:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"544\" src=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/java-ee-highly-available-applications-with-glassfish-payara-auto-clustering.png\" alt=\"\" class=\"wp-image-36528\" srcset=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/java-ee-highly-available-applications-with-glassfish-payara-auto-clustering.png 1024w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/java-ee-highly-available-applications-with-glassfish-payara-auto-clustering-300x159.png 300w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/java-ee-highly-available-applications-with-glassfish-payara-auto-clustering-150x80.png 150w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/java-ee-highly-available-applications-with-glassfish-payara-auto-clustering-768x408.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>As you can see, your application session being handle by another node and your attribute is still available.<\/p>\n\n\n\n<p>On the Glassfish admin console, click on the <strong>Configurations &gt; cluster1-config &gt; Availability Service<\/strong> to access all replication settings:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"530\" src=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/glassfish-payara-auto-clustering-java-ee-application.png\" alt=\"glassfish payara auto-clustering java ee application\" class=\"wp-image-36529\" srcset=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/glassfish-payara-auto-clustering-java-ee-application.png 1024w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/glassfish-payara-auto-clustering-java-ee-application-300x155.png 300w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/glassfish-payara-auto-clustering-java-ee-application-150x78.png 150w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/glassfish-payara-auto-clustering-java-ee-application-768x398.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>As you can see, there are two replication modes (Web Container Availability and EJB Container Availability) available by default.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cloning-Cluster-for-AB-Testing\"><\/span>Cloning Cluster for A\/B Testing<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>In some cases, you may need to make some changes in your application settings for testing purposes or when you release a new application, it is a good idea to clone your environment and verify the newly implemented changes. This will allows you to test your application without any downtime.<\/p>\n\n\n\n<p>On the Glassfish node, click on the <strong>Clone Environment <\/strong>button as shown below:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"318\" src=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/auto-clustering-with-glassfish-and-payara-running-java-ee-highly-available-applications-in-the-cloud.png\" alt=\"auto-clustering with glassfish and payara running java ee highly-available applications in the cloud\" class=\"wp-image-36531\" srcset=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/auto-clustering-with-glassfish-and-payara-running-java-ee-highly-available-applications-in-the-cloud.png 1024w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/auto-clustering-with-glassfish-and-payara-running-java-ee-highly-available-applications-in-the-cloud-300x93.png 300w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/auto-clustering-with-glassfish-and-payara-running-java-ee-highly-available-applications-in-the-cloud-150x47.png 150w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/auto-clustering-with-glassfish-and-payara-running-java-ee-highly-available-applications-in-the-cloud-768x239.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>This will create an exact copy of your Glassfish cluster with all nodes as shown below:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"318\" src=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/auto-clustering-with-glassfish-and-payara-running-java-ee-highly-available-applications-in-the-cloud-1.png\" alt=\"glassfish payara auto-clustering: deploy java ee highly-available applications in the cloud\" class=\"wp-image-36532\" srcset=\"https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/auto-clustering-with-glassfish-and-payara-running-java-ee-highly-available-applications-in-the-cloud-1.png 1024w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/auto-clustering-with-glassfish-and-payara-running-java-ee-highly-available-applications-in-the-cloud-1-300x93.png 300w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/auto-clustering-with-glassfish-and-payara-running-java-ee-highly-available-applications-in-the-cloud-1-150x47.png 150w, https:\/\/www.rosehosting.com\/blog\/wp-content\/uploads\/2021\/03\/auto-clustering-with-glassfish-and-payara-running-java-ee-highly-available-applications-in-the-cloud-1-768x239.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Of course you don&#8217;t need to install all of this if you use our managed cloud PAAS hosting, in which case you an simply ask one of our system administrators to set up GlassFish &amp; Payara Auto-Clustering: Running Java EE Highly-Available Applications in the Cloud. They are available 24\/7 and always ready to help you out. <\/p>\n\n\n\n<p><strong>PS<\/strong>. If you liked this post, please share it with your friends on the social networks using the buttons below or simply leave a comment in the comments section. Thanks.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Building a highly-available clustered infrastructure is one of the most commonly used solutions to achieve 100% uptime for your application. &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Glassfish and Payara Auto-clustering: Running Java EE Highly-available Applications In The Cloud\" class=\"read-more button\" href=\"https:\/\/www.rosehosting.com\/blog\/glassfish-and-payara-auto-clustering-running-java-ee-highly-available-applications-in-the-cloud\/#more-36429\" aria-label=\"Read more about Glassfish and Payara Auto-clustering: Running Java EE Highly-available Applications In The Cloud\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":36430,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[1894,165,1888,1893],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.5 - 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