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When running Liferay with more than one node on a load balancer, sometimes, when generating urls for buttons, they can receive a incorrect url or sometimes a null value. Resolution Using the: redirect.url.security.mode=domain property in portal-ext.properties will fix this...

This document has been updated and ported to Liferay Learn and is no longer maintained here. This article documents how to configure LDAP settings using .config files instead of the Control Panel. There are a great number of changes in Liferay Digital Experience Platform (DXP), and one...

This document has been updated and ported to Liferay Learn and is no longer maintained here. This article documents the configuration options for managing distributed cache within Liferay Digital Experience Platform (DXP). Table of Contents  Distributed Cache Basics How Liferay Does...

When uploading documents larger than 3Mb via web call, an error may be thrown: 13:45:27,141 INFO [PortalImpl:4366] Current URL /documents/10162/179749/Certification+Tracking+Database+CSC+v2.0+Production.zip generates exception: null 13:47:20,403 WARN [StreamUtil:85] ClientAbortException:...

This article pertains to portals in which LDAP is configured in Liferay Portal 5.2.x and an upgrade is performed. When a user attempts to login, an error is thrown, and the user is not authenticated. 18:44:06,854 ERROR [LDAPAuth:321] Problem accessing LDAP server...

Introduction When applying fix packs or hotfixes, rolling restarts are possible if there are no changes to a specific set of clustering classes or no module schema version changes. The following document is a list of the known fix packs which contain either of these exceptions. If a...

This article documents several changes with the clustering feature that will take effect in Liferay Portal CE 7.0 and Digital Experience Platform 7.0. In addition, this article details changes that may affect Community Edition users. Resolution General The default search indexing...

Liferay Support does not recommend or endorse specific third-party products over others. Liferay is not responsible for any instructions herein or referenced regarding these products. Any implementation of these principles is the responsibility of the subscriber. Depending on the needs...

Many enterprise environments utilize clustering for both scalability and availability. This article provides specific instructions for installing a basic configuration of Liferay Portal in a pre-existing clustered environment. A common misconception is that by configuring Liferay Portal,...

This article is designed to help administrators tune performance in Liferay DXP 7.0 when the active thread count approaches the maximum allowed thread count. The reason for this performance issue is because the values for the...

One of the most important pieces of information when resolving a customer issue is the portal-ext.properties file for your environment. It is now possible to upload the portal-ext.properties file before opening a ticket. This article describes what you need to know to locate your...

This article serves as a troubleshooting guide. During a thread dump, your server may hang indefinitely due to the blocking portal cache. Blocking portal cache is one of the caches that the Liferay platform uses for clustering; it is not a hibernate cache, it is what Liferay uses with...

This article is a legacy article. It applies to previous versions of the Liferay product. While the article is no longer maintained, the information may still be applicable. This article describes the scenario where the Carousel portlet (a third party app made by XTIVIA) and Ehcache...

This article addresses a situation where customers might encounter a BadPaddingException in the logs. This occurs if customers have two instances on the same domain; when a user tries to access another instance on the same domain, the exception will be thrown. 2018-05-31 03:10:32.353...

This article documents the common configuration errors you may encounter while upgrading to Liferay Digital Experience Platform (DXP), versions 7.0 or 7.1. Read below to discover the steps you can take to resolve these issues or avoid them altogether. Resolution Error: Upgrading to DXP...

This article documents a solution if subscribers are using an Oracle database and using JDBC_ping as the discovery protocol in a clustered environment. The issue is that the JGroup's default initialize_sql value is incompatible with Oracle. As a result, the JGROUPSPING table is not...

This article documents the new implementation of JavaScript Object Notation (JSON) web services in Liferay Portal 6.1.x to test API methods. The only limitation is that to test any methods they must go through JSON. A database other than Hypersonic will be required for API testing as...

This article describes how to set up Liferay Portal 6.1 EE or Liferay Portal 6.2 EE using Windows and MySQL 5.x on Apache Tomcat 7.x. Resolution 1. Gather the Necessary Files Download and unzip the most recent supported version of Tomcat 7: http://archive.apache.org/dist/tomcat/tomcat-7/...

In some cases, JGroups may not get a response when trying to bind to an address. In this case, an exception like the following can be thrown: 05:50:53,559 ERROR [Framework Event Dispatcher: Equinox Container: 70881daa-756e-0016-1bfa-e3d1d4e1b271][com_liferay_portal_cluster_multiple:97]...

  This article is a legacy article. It applies to previous versions of the Liferay product. While the article is no longer maintained, the information may still be applicable.  If you are working with a Liferay Portal version prior to 6.1 GA3, you can read the article here. SAML...