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JSP用のLiferayテーマオブジェクト
Official Documentation
Liferay Theme Objects For JSPs When you include the tag in your JSP, you gain access to several Liferay theme objects via variables. These objects are described in the table below: ...
Migrating properties which are set through Control Panel to portal-ext.properties file
legacy How To
Important Notification: Modifying the database is a risky operation! Always make a backup of your database before any modifications! If your custom portal properties are already set...
Portal Best Practices
legacy
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 While the article is no longer maintained, the information may still be applicable. The...
A 'ClassNotFoundException' Thrown by WebLogic 12c
legacy Troubleshooting
This article documents a known issue that occurs when deploying portlets that use JNDI. Liferay Digital Experience Platform (DXP) isn't able to load Weblogic's JNDI classes by default, which often results in a...
Poor Performance in DB2 When Executing SQL Queries Over Big Tables Filtering by a Column With a Non-Unique Index
legacy Troubleshooting
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...
Autodeploying Plugins in WebSphere With Liferay 6.1 EE GA2
legacy How To
Starting with Liferay Portal 6.1 EE GA2, plugins can be autodeployed to WebSphere. As a part of the Liferay autodeploy process, the Liferay platform will call the Websphere's wsadmin script interface to deploy the...
Liferay's "Verify" Process
legacy
This article explains a few key facts surrounding the "verify" process in the Liferay Portal and steps that need to be taken to ensure the integrity of the database being used by the...
Installing Portlets Within the Control Panel in 6.1 GA2
legacy How To
In Liferay Portal 6.1 EE GA2, administrators do not have the ability to deploy plugins from the control panel. In order to achieve the installation of portlets not within Liferay...
Liferay DXP 7.1 Database Portal Properties
legacy How To
This article is intended to provide a list of all the Liferay DXP 7.1 database properties that can be used to connect your DXP 7.1 installation to various databases. To use any of them, uncomment the block of code you...
Migrating Tag Sets During the Upgrade Process From Liferay Portal 5.2 to 6.0
legacy How To
This article outlines the changes to Tags and Tag Sets between Liferay Portal 5.2 to Liferay Portal 6.0, and later versions. Specifically: The changes to the Tags Navigation Portlet (Where Did Tag Sets Go?) How to...
JBoss EAP vs. JBoss AS
legacy
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....
DLFileRank Causes Deadlock or SQL Update Batch Errors
legacy Troubleshooting
With DLFileRank enabled, Deadlock or SQL Update Batch Errors may happen due to DLFileRank updates. When using DLFileRank, unique constraints can be found due to the amount of writes...
Changes in Enabling serviceLocator Calls in Liferay DXP 7.0
legacy How To
This article documents a change in where to define serviceLocator properties in Liferay platforms; both in Portal and Digital Experience Platform (DXP). Developers familiar with this functionality in Portal 6.2 can...
Inputting Initial S3 Configuration Settings on DXP 7.0
legacy How To
This article serves as a reference for how to configure Liferay Digital Experience Platform (DXP) to use Amazon Web Services S3. DXP users can leverage Amazon S3 in two key areas; to serve as a file store repository,...
Fix Pack and Hotfix installation order on Liferay Portal EE
legacy
The order of fix pack and hotfix updates are determined by engineering in several ways. This order is hardcoded in the update. Environment Versions previous to Portal 6.2 SP11...
Update Manager gives plugin update reminders for up to date plugins
legacy Troubleshooting
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 documents a known issue where...
Setting Up Liferay Portal on a DB2 Database
legacy How To
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 outlines steps on how to setup...
Moving Existing Data From an Old Liferay bundle to a New One
legacy How To
This article provides a checklist when you move your existing data from an old Liferay environment to a new one. Resolution For database, please backup the database in old environment and import it to the new environment....
Apache Tomcat Security Advisory: CVE-2018-1336
legacy Troubleshooting
General Information CVE-2018-1336 reports that, "an improper handing of overflow in the UTF-8 decoder with supplementary characters can lead to an infinite loop in the decoder causing a Denial of Service." This...
Stopping Liferay DXP 7.0 LPKG Modules
legacy
This article documents which LPKG files can be disabled with little or no negative effects as part of Liferay's introduction of modularity in Liferay DXP 7.0. Because certain core functionalities have been turned into...