Liferay Session Replication

Liferay Session Replication. For true session replication, there must be a load balancer that redirects the traffic to the nodes. Setting up session replication in tomcat with liferay portal liferay support updated 1 year ago the purpose of this article is to setup a basic tomcat cluster that has session replication.

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In this post, i will run through the process of configuring tomcat to provide basic session replication, which is a critical aspect of high availability; Liferay itself uses session of course because it is the best tool to store user information. This article outlines how to set up session replication using weblogic with liferay portal.

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By default (at least in liferay) it leverages multicast udp to achieve these goals. It is better to avoid session replication liferay uses custom session object that contains large amount of data, so for each request, session data will be validated and replication among all application servers.

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Additional information by default, without configuring application server level session replication, the session attributes values only exist on the node that current user is logged in. Configure liferay cluster with two tomcat nodes.

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Configure liferay cluster with two tomcat nodes. How sessions are managed in liferay.

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Set this property to true to enable portlet session replication. This value is always overridden by the value set in web.xm and changes will not take effect if there is session timeout entry in web.xml.

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For true session replication, there must be a load balancer that redirects the traffic to the nodes. It is better to avoid session replication liferay uses custom session object that contains large amount of data, so for each request, session data will be validated and replication among all application servers.

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Setting up session replication in tomcat with liferay portal liferay support updated 1 year ago the purpose of this article is to setup a basic tomcat cluster that has session replication. One of the primary motivations for setting up liferay in a cluster is to provide high availability in the event of an application server crash.

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Storing (and sharing) data in the session has many drawbacks. Multicast multi cast clustering is used in lan network

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95% of users dont need it, it adds significant overhead to processing, eating the performance benefits of the second server. This article does not cover how to.

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Configuring session replication is not recommended for use in production environments without proper performance. For true session replication, there must be a load balancer that redirects the traffic to the nodes.

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How sessions are managed in liferay. Liferay people is not recommending the session replication officially.

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The choice of database is up to the user and liferay support can give only basic assistance in this matter. The reason is that each one is a separate webapp.

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Liferay session time out has set to 30 minutes by default and loaded from below files: It is better to avoid session replication liferay uses custom session object that contains large amount of data, so for each request, session data will be validated and replication among all application servers.

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Setting up session replication in tomcat with liferay dxp justin choi actualización 1 de abril de 2020 23:40; This solution is based on how liferay handles portletsession replication, which somehow its easier since portletsessionimpl is a class managed by liferay and can wrap the session every time the constructor is invoked.

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Why session replication is not recommended in liferay. One of the primary motivations for setting up liferay in a cluster is to provide high availability in the event of an application server crash.

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As of the principles of liferay clustering, id recommend to go to the users guide and specifically not do session replication (e.g. Basically, jgroups allows to discover and communicate with remote instances.

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Im trying to setup a clustered environment with session replication. This value is always overridden by the value set in web.xm and changes will not take effect if there is session timeout entry in web.xml.

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Liferay session time out has set to 30 minutes by default and loaded from below files: Liferay dxp 7.1 resolution configure application server level session replication, then session attributes values will be available on both nodes.

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Now create method in leavefinderimpl class. Open session with session session = opensession () get sql by id using customsqlutil.get (get_leaves_by_user_leavetype);

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In aws or cloud environments, multicast clustering will not work since broad casting of packets are blocked in cloud. Im trying to setup a clustered environment with session replication.

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Why session replication is not recommended in liferay. Basically, jgroups allows to discover and communicate with remote instances.

Edit $Tomcat_Home/Conf/Server.xml Of Each Node And Inside Engine Tag, Add Following Text:

Classnotfoundexception is thrown during session replication while loading persisted sessions Session replication is costly and consumes resources. Activate session replication at tomcat level:

Setting Up Session Replication In Tomcat With Liferay Portal Liferay Support Updated 1 Year Ago The Purpose Of This Article Is To Setup A Basic Tomcat Cluster That Has Session Replication.

For true session replication, there must be a load balancer that redirects the traffic to the nodes. Why session replication is not recommended in liferay. Set the query.addentity (“js_leave”, leave.class), so that liferay will take care pojo mapping converion.

Set This Property To True To Enable Portlet Session Replication.

Im trying to setup a clustered environment with session replication. One of the primary motivations for setting up liferay in a cluster is to provide high availability in the event of an application server crash. How sessions are managed in liferay.

This Article Does Not Cover How To Set Up A Load Balancer.

Step6:create method in finder impl. From my perspective the only real alternative to not using session is to store the client. Setting up session replication in tomcat with liferay dxp justin choi actualización 1 de abril de 2020 23:40;

It Is Recommended That Sticky Session With Session Replication Gives You Better Result.

Session time out is defined in. The below property will be used to set session timeout. Application server will manage session expirations, jsessionidcookie helps to identify sessions between browser and server, if cookies are not enabled then a ;jsessionid= part is appended to the url and the sessionid will be handled there.