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Deleting users using UserLocalServiceUtil.deleteUser(user) gets slow

Issue UserLocalServiceUtil.deleteUser(user) API's performance decreases, when we try to use it to delete large number of users At first this job started deleting 1100-1200 users in 1 hour per day, but after...

How to know if your UDP Multicast communication is working

legacy Troubleshooting

Issue Communication is not working properly in the cluster even after setting all the configurations up in the portal instances. Changes have not been replicated from one node to another. Environment...

Metadata for Journal Articles Not Indexing Appropriately during Upgrade Process

legacy Troubleshooting

Issue During the upgrade process, UpgradeImageTypeContent#copyJournalArticleImagesToJournalRepository copies all journal article images into the Document Library repository. In order to achieve...

APR library not found

legacy Troubleshooting

Issue The Apache Tomcat works without the native libraries but degrading the performance. You can see the following message on the log: INFO: The APR based Apache Tomcat Native library which allows optimal...

Users Not Appearing in Control Panel After Upgrading Liferay Version

legacy Troubleshooting

Issue Users are not appearing in the Control Panel > Users > Users and Organizations section after upgrading to a newer Liferay version. Environment Liferay DXP 7.0, 7.1 Resolution 1. Remove...

How to resolve when basic configuration portal properties are not read during startup

legacy Troubleshooting

Issue When starting a pre-built Liferay DXP bundle for the first time, some of the properties set in a portal-ext.properties file (such as the default.admin.* and company.default.* properties) do not take effect and...

6.2 to 7.1 Oracle 12 Database Upgrade Results in Web Content with Custom Structures and Templates to have Missing Content

legacy Troubleshooting

Issue Upgrading from 6.2 to 7.1 with Oracle 12 can result in structureId and templateId reverting to the Basic Web Content structure and template which can be observed in the JournalArticle Table. Another symptom...

"Incorrect string value: '\xC2\x80\xC2\x99s ...' for column 'description' at row 1"?

legacy Troubleshooting

Issue During the upgrade process, you may encounter an error like the following: Incorrect string value: '\xC2\x80\xC2\x99s ...' for column 'description' at row 1 Environment Liferay DXP 7.0+ Resolution The...

How to Upgrade to Liferay DXP from Liferay 6.X

legacy

This whitepaper aims to set a framework for Liferay’s recommended upgrade path for your organization. A major technology upgrade is an endeavor requiring a deep analysis of your business requirements, careful planning,...

Upgrading from Liferay DXP 7.0 to 7.1

legacy How To

This paper is a high-level overview of the effort involved in moving from Liferay DXP 7.0 to 7.1. It contains an upgrade checklist, the upgrade steps, and what to do after a successful upgrade. The paper is available...

Taking Heap Dumps From a JVM

legacy How To

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....

Permissions Are Not Working Post-Upgrade

legacy Troubleshooting

After upgrading from Liferay Portal 5.2, permissions settings may act in an undesirable manner. This could include not being able to change permissions, as well as not being able to access the control panel or any other...

LDAP settings and upgrading from 5.2.x to 6.x

legacy Troubleshooting

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...

Backslashes in Screen Name Are No Longer Valid After Upgrading to Liferay Portal 6.2

legacy

After upgrading from Liferay Portal version 5.2 EE SP4 to 6.2 EE, backslashes in the screen name are not allowed when using the liberal screen name validator. In Portal 5.2, backslashes were allowed in the screen name....

[Upgrade] Handling Quartz Data during Liferay Portal Upgrades

legacy How To

Quartz data is a unique type of data. If quartz data is part of the database upgrade, then there are some potential additional steps to take during the upgrade process. Resolution If there are not any publishing jobs,...

Errors When Applying Support Driven Hotfixes Based on FP-41 or FP-42

legacy Troubleshooting

This article documents a known issue when applying a Liferay Support Driven Hotfix built off either DXP 7.0 Fix Pack 41 or Fix Pack 42. Due to an error generating the release notes, the documentation.xml file in Fix...

Internal Server Error after Upgrade

legacy Troubleshooting

A common error is that sometimes when certain pages display an internal server error and there is no stacktrace. If there was a custom theme before the upgrade the page layouts will still reference them and if one has not...

SQL Exception Warnings Appear During DXP Upgrade Indicating 'Fallback to recreating the table'

legacy

This article documents a false negative warning message that can occur when upgrading your Liferay platform, and which has caused some confusion amongst our users. During the Liferay DXP upgrade process, several WARN...

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...

Upgrading to Liferay Portal 6.0 EE SP1

legacy How To

When upgrading to the latest Liferay Portal, there are many things to take into account. This guide is designed to assist in the upgrading process. Please read and ensure your...

Checklist for Upgrading to Liferay DXP

legacy How To

Upgrading to Liferay DXP (7.0, 7.1, 7.2, or 7.3) is a major project and requires careful planning, testing and execution in order to be successful. However, Liferay DXP and DXP Cloud...

パスワードリセット時、「秘密の質問」が設定されていないユーザーでもリセットが可能となる。

legacy How To

, knowledgeArticleType: howTo, legacy: true, name: パスワードリセット時、「秘密の質問」が設定されていないユーザーでもリセットが可能となる。, showDisclaimerMessage: true, sourceTeam: Support, ticketNumber: 134686, title:...

DXP 7.3 Upgrade Reference Guide

legacy How To

An upgrade to Liferay DXP 7.3 gives you access to the latest Liferay technology, complete with all of the newest features, and the assurance of continued support for your Liferay environment. Our Subscription Services Team...

Installing Fix Packs and Hotfixes on Liferay DXP

legacy How To

This document has been updated and ported to Liferay Learn and is no longer maintained here. To install Fix Packs and hotfixes on Liferay DXP, customers must first download the latest...

How to apply a custom hotfix without the ZIP file

legacy How To

Issue I need to apply a hotfix to a custom environment but have not downloaded the hotfix file previously. I need to install a SaaS hotfix in my local environment. Environment Liferay DXP 7.4 Quarterly...

How to modify translations from custom development via Language Override

legacy How To

, knowledgeArticleType: howTo, legacy: true, name: How to modify translations from custom development via Language Override, showDisclaimerMessage: true, sourceTeam: Support, ticketNumber: 95740, title:...

I forgot admin user's password and I cannot login

legacy Troubleshooting

, knowledgeArticleType: troubleshooting, legacy: true, name: I forgot admin user's password and I cannot login, showDisclaimerMessage: true, sourceTeam: Support, ticketNumber: 71031, title:...

Incorrectly set email service prevents admin from finishing Multi-Factor Authentication process

legacy Troubleshooting

, knowledgeArticleType: troubleshooting, legacy: true, name: Incorrectly set email service prevents admin from finishing Multi-Factor Authentication process, showDisclaimerMessage: true, sourceTeam: Support,...

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...

Structures With Duplicate Element Names Fail DDM Verification When Upgrading

legacy How To

This article documents a known issue in which structures with duplicate element names fail Dynamic Data Mapping (DDM) verification when upgrading from Liferay Portal 6.1 to Liferay Portal 6.2 or Liferay Digital...

Upgrading to Liferay Portal 6.1 EE GA1

legacy How To

When upgrading to the latest version of Liferay Portal, there are many things to take into account. This guide is designed to assist in the upgrading process. Please read and ensure...

Upgrading to Liferay Portal 6.0 EE SP2

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. When upgrading to the latest Liferay...

Liferay Upgrades: Updating Custom Plugins

legacy How To

The following article describes how to update plugins to be compatible with a new version of the Liferay platform. Resolution The Liferay API may change from release to release, causing issues when trying to port...

Upgrading to Permission Algorithm 6

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. Permission algorithm 5 was used as the default...

Important Changes in Fix Pack Release Notes

legacy

Issue Some fix packs cannot be reverted or may have hard limits on which versions that the patch level can be reverted to. The reason why a rollback option is unavailable is due to database schema updates, plugin updates,...

Portal has upgraded successfully and NullPointerException is thrown with the server startup

legacy Troubleshooting

Issue Successfully upgraded the Liferay portal from 6.2EE to DXP 7.1 GA but the server is not started and thrown the NPE Null pointer Exception: 2019-09-13 01:11:59.750 ERROR [http-nio-8080-exec-1][MainServlet:1225]...

Different Browser Cache Behaviour on HTTPs Protocol in Google Chrome

legacy Troubleshooting

Issue Not all of the static requests are cached in Google Chrome, when you follow this documentation to set up HTTPs: Setting Up HTTPs on Tomcat Reproduction steps: Set up the portal as per attached...

Benchmark Study of Liferay DXP 7.2

legacy

This whitepaper is a benchmark study of Liferay Digital Enterprise 7.2 and describes optimal configuration, settings, and the methodology used for this study. The whitepaper also...

Liferay DXP Feature Comparison

legacy

Each version of Liferay improves on the features and functionality of previous versions. Since the release of Liferay Portal 6.2 EE, the Liferay platform has continued to evolve to...

How to identify the filename for a System Settings configuration file

legacy How To

Issue This article documents how to determine the filename that should be used for a Systems Settings configuration file (.config) that can be inserted into $LIFERAY.HOME/osgi/configs. Why? The creation of System Settings...

Work folder under Liferay Home

legacy

Issue After upgrading to Liferay DXP we noticed that a work folder is created in {Liferay_Home}, in addition to {Tomcat_Home}/work directory. Is this the normal behaviour? Environment Liferay DXP 7.0 Liferay...

Recurring UserEmailAddressException$MustNotBeDuplicate error importing users with existing emails from LDAP server

legacy

, knowledgeArticleType: troubleshooting, legacy: true, name: Recurring UserEmailAddressException$MustNotBeDuplicate error importing users with existing emails from LDAP server, showDisclaimerMessage: true, sourceTeam:...

Unable to create users having screen name same as that of groupId (Site Id)

legacy

, knowledgeArticleType: troubleshooting, legacy: true, name: Unable to create users having screen name same as that of groupId (Site Id), showDisclaimerMessage: true, sourceTeam: Support, ticketNumber: ,...

Dockerイメージから始める

Official Documentation

Starting with a Docker Image The latest versions of Liferay are available as Docker images on Docker Hub. They're in two categories: Liferay/Portal Liferay/DXP Follow the steps below to...

Liferayを初めて実行する

Official Documentation

Running Liferay for the First Time Once you've installed Liferay DXP/Portal and configured a database for it, it is ready to run. Start the Server Run the startup script bundled with your...

ローカルサーバーにLiferayをインストールする

Official Documentation

Installing Liferay On A Local Server Liferay runs on an application server. There are three ways to host Liferay on a local machine: Using a Docker container Using a Liferay Tomcat bundle On a...

Liferayインスタンスの移行

Official Documentation

Migrating Liferay Instances Liferay DXP 2025.Q2+/Portal GA148+ [Beta Feature](../../security-and-administration/administration/configuring-liferay/feature-flags.md#beta-feature-flags) You can...

バックアップ

Official Documentation

Backing Up Once you have your DXP installation running, you should implement a comprehensive backup plan that accounts for unforeseen events. Backup copies are also valuable for testing updates...

ブルーグリーンのデプロイ

Official Documentation

Blue-Green Deployments Blue-green is a deployment technique in which you duplicate your production environment (the blue environment) and modify the duplicate (the green environment) with software...

セルフホスト型のインストールとアップグレード

Official Documentation

Self-Hosted Installation and Upgrades Liferay's flexibility makes it possible to host it in any way you choose: on any Kubernetes-based cloud platform via Helm charts and Terraform scripts, on...

Liferayのパッチ適用

Official Documentation

Patching Liferay Liferay DXP uses Bundle Releases for its latest releases. Please see Updating Liferay if you are applying an Update. All Hotfixes are patches. If you're applying a Hotfix,...

クラスター化されたインストールの維持

Official Documentation

Maintaining Clustered Installations Setting up your Liferay DXP installation to function in a cluster provides performance and scalability improvements, but also requires additional consideration...

Tomcat での JNDI の設定

Official Documentation

Setting Up JNDI on Tomcat Liferay 7.4+ To set up JNDI resources, you must put the necessary JDBC drivers in the Tomcat lib folder (i.e. tomcat-9.0.56/lib). For example, if you use an Oracle...

Liferay-Tomcatバンドルのインストール

Official Documentation

Installing a Liferay-Tomcat Bundle The Tomcat Bundle includes the Apache Tomcat application server with Liferay DXP/Portal pre-deployed. It's the easiest, fastest way to install Liferay on...

ローリング再起動の実行

Official Documentation

Performing Rolling Restarts The rolling restart cluster maintenance process involves shutting down and updating nodes one at a time (while the other nodes are running) until they're all updated....

カスタムコードとパッチの互換性

Official Documentation

Custom Code and Patch Compatibility Subscribers If you deploy code that customizes or patches your DXP 7.2 installation, you must maintain its compatibility with all patches you're using. The...

パッチを適用したインストールのスリム化

Official Documentation

Slimming Down Patched Installations Subscribers In Liferay DXP 7.2, patch information is retained in Patch Files in the installation by default. This facilitates restoring DXP to a previous patch...

DXP 7.2の高度なパッチ適用

Official Documentation

Advanced Patching for DXP 7.2 Here are the DXP 7.2 advanced patching topics: Using Slim Bundles demonstrates conserving disk space by using DXP fix pack bundles that don't include Patch Files. ...

ホットフィックスの適用

Official Documentation

Applying a Hotfix Subscribers A Hotfix is a fix or collection of fixes delivered between Updates (or between Fix Packs for versions before DXP 7.3 SP3) to address a customer's confirmed critical...

スリムバンドルの使用

Official Documentation

Using Slim Bundles Subscribers Liferay DXP 7.2 Fix Packs and Service Packs are also released bundled with the Tomcat application server. They are available as traditional bundles and Slim Bundles....

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