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How to resolve "Attempting to upgrade table UserGroupGroupRole by adding a temporary column" DB2 database upgrade errors
legacy Troubleshooting
Issue When trying to upgrade Liferay DXP from a 7.4 U release to 2024.q1.3 using a DB2 11.5 database, we encountered the following errors relating to the UserGroupGroupRole table: INFO  [ServerService Thread Pool --...
Which table saves Email User data into the database?
legacy
Issue Which database table stores the email user configuration data? Environment Liferay DXP 7.4  Resolution The PortalPreferenceValue table stores email configuration data (Instance settings->Email->Email...
sun.awt.Win32GraphicsEnvironment ClassCastException in the logs
legacy Troubleshooting
Issue We started to see the below exception in our logs: Exception in thread "AWT-EventQueue-0" java.lang.ClassCastException: sun.java2d.HeadlessGraphicsEnvironment cannot be cast to...
Batch Error encountered during upgrade using SQL Server 2019
legacy Troubleshooting
Issue When upgrading from Liferay 7.2 to Liferay 7.4, the following error may be encountered during the upgrade process when using SQL Server 2019 with MSSQL JDBC Jar Version 12.X ERROR [main][DBUpgrader:79] null...
Deprecated "Redirect URL" Portal Properties
Troubleshooting
Issue Migrating from Liferay 7.2 to Liferay 7.4, we noticed that the usual redirection properties have been deprecated. We're using these properties in the portal-ext.properties file: redirect.url.security.mode=domain...
Clay Navigation Bars
Official Documentation
Clay Navigation Bars Similar to dropdown menus, navigation bars display a list of navigation items. The key difference is navigation bars are displayed in a horizontal bar with all navigation items...
Clay Progress Bars
Official Documentation
Clay Progress Bars You can add progress bars to your app with the clay:progressbar tag. These indicate the completion percentage of a task and come in three status styles: default (blue), warning...
Using Liferay Util Get URL
Official Documentation
Using Liferay Util Get URL The get URL tag scrapes the URL provided by the url attribute. If a value is provided for the var attribute, the content from the screen scrape is scoped to that...
Using Spring
Official Documentation
Using Spring PortletMVC4Spring is a way to develop portlets using the Spring Framework and the Model View Controller (MVC) pattern. While the Spring Framework supports developing servlet-based web...
Using React
Official Documentation
Using React Build your own solutions using Liferay and React.
Extending Liferay
Official Documentation
Extending Liferay Liferay DXP/Portal is highly customizable. Its modular architecture contains components you can extend and override dynamically using APIs.
Customizing Localization
Official Documentation
Customizing Localization Liferay ships with 55 translations, making it ideal for deployments all over the world. Sometimes, however, you must modify a translation or provide a new one. Here you can...
Clay Labels and Links
Official Documentation
Clay Labels and Links Liferay Clay taglibs provide tags for creating labels and links in your app. Both of these elements are covered below. Labels The Liferay Clay taglibs provide a few different...
Clay Stickers
Official Documentation
Clay Stickers Whereas badges display numbers and labels display short information, stickers are small visual indicators of the content (usually the content type). They can include a small label or...
Using Liferay Util Param
Official Documentation
Using Liferay Util Param The param tag lets you set a parameter for an included JSP page. This configuration requires two JSPs. JSP A, the main view of the app, includes JSP B and sets its...
PortletMVC4Spring Annotations
Official Documentation
PortletMVC4Spring Annotations PortletMVC4Spring provides several annotations for mapping requests to controller classes and controller methods. @RenderMapping Annotation Examples The following...
Enabling and Configuring Sharing
Official Documentation
Enabling and Configuring Sharing The Sharing configuration allows users to share files with each other. You can enable file sharing at the Global, Virtual Instance, and Site scopes. Sharing is...
Publishing and Sharing
Official Documentation
Publishing and Sharing
Google Drive Integration
Official Documentation
Google Drive Integration Integrate Google Drive with Liferay DXP to create, edit, and manage Google Docs, Sheets, and Slides directly from Documents and Media. This integration provides two main...
SharePoint Integration
Official Documentation
SharePoint Integration Integrate SharePoint with Liferay DXP for managing SharePoint libraries within Documents and Media. Create and manage repositories that mount SharePoint libraries, and...