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Installing Earlier Liferay Versions on Wildfly
Official Documentation
Installing Earlier Liferay Versions on Wildfly Liferay DXP 2025.Q2/Portal 2025.1 or below Installing on WildFly requires installing the DXP WAR, installing dependencies, configuring WildFly, and...
Installing Earlier Liferay Versions on JBoss EAP
Official Documentation
Installing Earlier Liferay Versions on JBoss EAP Liferay DXP 2025.Q2/Portal 2025.Q1 or below Installing on JBoss EAP requires installing the DXP WAR, installing dependencies, configuring JBoss,...
Configuring Liferay Workspace
Official Documentation
Configuring Liferay Workspace Liferay Workspace is simple to use, and you can learn the basics by starting at the beginning. If you're happily creating projects, deploying code, or using a Docker...
Customizing JSPs with Dynamic Includes
Customizing JSPs with Dynamic Includes The liferay-util:dynamic-include tag is a placeholder into which you can inject content---JavaScript code, HTML, and more. The example project demonstrates...
Web Server Service (Nginx)
Official Documentation
Web Server Service (Nginx) The Nginx web server functions as a gateway from the open internet to your Liferay Cloud services. It handles all traffic from your users and acts as a high-performance...
Attachment Fields
Official Documentation
Attachment Fields Attachment fields are for uploading files to your instance's Document Library. When uploaded, the file is linked to the entry's attachment field. Each field can only be linked to...
Adding Marketplace Fragments to Pages
Official Documentation
Adding Marketplace Fragments to Pages Liferay DXP 2025.Q3+ Liferay Marketplace offers a range of apps and fragments that integrate seamlessly into the Page Editor. Access, configure, and use these...
Adding and Managing Users
Official Documentation
Adding and Managing Users Core user management activities include adding, editing, and deleting users. These activities are typically restricted to Administrative users. Adding Users Open the...
Alternative Asset Tracking Methods
Official Documentation
Alternative Asset Tracking Methods Liferay Analytics Cloud can detect and analyze built-in Liferay DXP assets like blogs, documents and media, forms, and web content throught their respective...
Liferay Workspace
Official Documentation
Liferay Workspace Liferay Workspace is a set of folders and Gradle scripts that represents the Liferay-opinionated way of handling a full development life cycle: Creating projects Building...
Tuning Security Settings
Official Documentation
Tuning Security Settings Here are a list of best practices for tightening and maintaining your Liferay PaaS project's security, including networking practices, data security, and general security...
Liferay Workspace Configuration Reference
Official Documentation
Liferay Workspace Configuration Reference Liferay Workspace has many options you can set. Here's a handy command and properties reference. Running Liferay DXP locally my-project $ blade gw...
Configuring the Patching Tool
Official Documentation
Configuring the Patching Tool Subscribers The Patching Tool can be adapted to any DXP installation. The tool's auto-discovery option is the easiest way to configure the Patching Tool. If you...
Connecting Liferay DXP to Analytics Cloud
Official Documentation
Connecting Liferay DXP to Analytics Cloud Liferay DXP 2024.Q1+/Portal GA112+ Liferay DXP and Analytics Cloud connect via a secure, encrypted token. This token is generated by Analytics Cloud and...
Account Users
Official Documentation
Account Users For Liferay 7.4 U55+/GA55+ Once you've created an account, you can associate existing users with it manually. Alternatively, you can create and associate users with an account...
Managing Web Content Articles
Official Documentation
Managing Web Content Articles Once you've added articles to your web content library, you can manage them via the web content UI. To access management actions for an article, click its Actions...
Using the Database Upgrade Tool
Using the Database Upgrade Tool The Liferay Database Upgrade Tool is a client program for upgrading Liferay DXP and Liferay Portal databases offline. Always back up your data and installation...
Using Configuration Files
Official Documentation
Using Configuration Files System Settings provides a user interface for making system-scoped configuration changes and setting default configurations for other scopes. The same configurations in...
Liferay Style Conventions
Liferay Style Conventions Conventions are neither correct or incorrect; they are decisions that vary greatly in the industry. After much comparison and use, Liferay's documentation uses the...
Configuring the Liferay DXP Service
Official Documentation
Configuring the Liferay DXP Service There are several methods available to configure DXP in Liferay PaaS: through the in DXP System Settings and through the use of config and property files. DXP...
Configuring a Liferay Docker Container
Official Documentation
Configuring a Liferay Docker Container Creating and deploying containers is an important part of the modern developer workflow. Liferay Workspace makes it easy to use Docker containers both for...
Liferay Cloud Maintenance and Release Schedule
Official Documentation
Liferay Cloud Maintenance and Release Schedule Liferay SaaS and PaaS both have a weekly maintenance and release schedule. Liferay Cloud uses a transparent and predictable release cadence so you can...
Understanding Service Stack Versions
Official Documentation
Understanding Service Stack Versions The Liferay Cloud service stack represents the major version of all of the services in your Liferay Cloud environment. Each individual service may have a...
Standard Permissions
Official Documentation
Standard Permissions Liferay defines several standard permissions across various applications and resources, such as view, edit, update, and more. Managing permissions Permissions are best managed...
Configuring Unicast over TCP
Official Documentation
Configuring Unicast over TCP If your network configuration or the geographical distance between cluster nodes prevents you from using UDP Multicast clustering, you can configure TCP Unicast. You...
Configuring Containers
Official Documentation
Configuring Containers Everything that is configurable in a Liferay installation is configurable in a Liferay Docker container. Here are the most common things to configure: JVM Options Portal...
Portal Properties
Portal Properties Configuration options are specified using Portal Properties, sets of name/value pairs read from properties files and Docker environment variables on server startup. Default values...
AWS Managed Resources Reference
Official Documentation
AWS Managed Resources Reference By default, Liferay uses several managed services to run background operations when hosting in AWS. These resources facilitate the provisioning and continued use of...
Optimizing Sites
Official Documentation
Optimizing Sites From having top-tier SEO, to understanding and acting on your site's content, to building a site that is accessible to all types of users, Liferay provides tools for identifying...
JSON Web Tokens (JWTs)
Official Documentation
JSON Web Tokens (JWTs) JSON Web Tokens (JWTs) represent encoded data. They are compact, self-contained, and secure. There are two primary types of JSON Web Tokens: Encrypted JWT: ensures the...
Activating Liferay DXP
Official Documentation
Activating Liferay DXP Subscription Required Liferay DXP is activated using an XML (.xml) activation key. It specifies your DXP subscription terms or trial agreement. When you run Liferay DXP for...
Using the AWS Chart to Run Liferay in AWS
Official Documentation
Using the AWS Chart to Run Liferay in AWS Using the AWS chart is a CLI-only method for provisioning Liferay in AWS. Launch Liferay Set and export an environment variable to hold the Liferay AWS...
Client Secret JWT
Official Documentation
Client Secret JWT Liferay supports client secret JWT as an authentication method for OAuth 2 clients. In this flow, the client itself creates the assertion and signs it using the client secret....
Updating the Time Zone of All Users in your Instance
How To
Introduction Liferay supports localization by language, time zone, and more. While Liferay has a default configuration for time zones, you can set the platform to use any standard time. After installing Liferay and...
java.lang.RuntimeException: com.liferay.portal.lpkg.deployer.LPKGVerifyException: LPKG validation failed
legacy Troubleshooting
Issue Why "LPKGVerify RuntimeException" triggers? SEVERE: Exception sending context initialized event to listener instance of class com.liferay.portal.spring.context.PortalContextLoaderListener...
Can not start Liferay after upgrading to jdk 11 with "java.lang.ClassNotFoundException: jdk.internal.reflect.MethodAccessorImpl cannot be found" reported
legacy Troubleshooting
Issue After upgrading to JDK 11, the server can not be started due to the following error: 2020-03-16 16:47:50.470 ERROR [Start Level: Equinox Container:...
java.lang.RuntimeException: Unable to install analysis-icu plugin error when starting Liferay using an embedded Elasticsearch
legacy Troubleshooting
Issue The error java.lang.RuntimeException: Unable to install analysis-icu plugin error is produced when starting Liferay using an embedded Elasticsearch This error prevents the embedded Elasticsearch to start correctly....
java.lang.StringIndexOutOfBoundsException: begin 0, end -1, length 1
legacy Troubleshooting
Issue While upgrading to Liferay DXP 7.4, following errors were observed in the logs: ERROR [http-nio-8080-exec-21][OpenIdConnectSessionValidationFilter:53] java.lang.StringIndexOutOfBoundsException: begin 0, end...
org.apache.catalina.core.StandardContext.listenerStart Exception sending context initialized event to listener instance of class [com.sun.proxy.$Proxy6] java.lang.reflect.UndeclaredThrowableException
legacy Troubleshooting
Issue When setting up Liferay with Oracle 19c, the following errors were encountered during Liferay startup. 2024-02-19 11:39:07.830 INFO [main][ModuleFrameworkImpl:1309] Starting initial bundles 19-Feb-2024...
java.lang.ClassCastException: class javax.mail.Session cannot be cast to class javax.mail.Session error when configuring email delivery using JNDI
legacy Troubleshooting
Issue We have configured email delivery using the application server JNDI mail resource, adding the following property to the portal-ext.properties file mail.session.jndi.name=mail/Session  We followed this Liferay...
java.lang.ClassNotFoundException: org.hibernate.proxy.HibernateProxy cannot be found when blob column is used in service builder
legacy Troubleshooting
Issue I use a blob column type in service builder. On deployment i get Caused by: java.lang.ClassNotFoundException: org.hibernate.proxy.HibernateProxy cannot be found Environment 7.4 Resolution Add the followings...
Troubleshooting java.lang.NoClassDefFoundError/java.lang.ClassNotFoundException
legacy Troubleshooting
Issue java.lang.NoClassDefFoundError or java.lang.ClassNotFoundException on portal startup only. Environment Portal containing custom modules including optional dependencies. Resolution Review the deployed...
Index is accessed at startup might result in [HTTP/1.1 404 Not Found]
legacy Troubleshooting
Issue You might encounter a behavior where Liferay tries accessing certain indexes that had a different name in previous versions. Normally this is not causing any issues, however you might have specific...
'TemplateNode cannot be cast to java.lang.String' error when using certain words in structures
legacy
Issue We have a structure that has a field called 'type' and being referenced in the advanced settings When we try to preview it, we get the above-mentioned exception in our logs Environment Liferay DXP...
Unable to bind to the LDAP server javax.naming.CommunicationException: [Root exception is java.lang.ClassNotFoundException: javax.net.ssl.SSLSocketFactory cannot be found by com.liferay.saml.web_
legacy Troubleshooting
Issue During the time of portal login using the LDAP users, the user('s) are able to log in successfully, LDAP connections have an active connection but observed the below warnings in the Liferay log.  2021-12-17...
RuntimeException - java.lang.IllegalArgumentException: none of the ciphers are supported by this JVM
legacy Troubleshooting
Issue Below RuntimeException throws which indicates listed ciphers are not available under the supported ciphers of the JVM. Caused by: java.lang.RuntimeException: java.lang.IllegalArgumentException: none of the...
Installing Liferay Project SDK on Windows results in error java.io.FileNotFoundException
legacy Troubleshooting
Issue When trying to install Liferay Project SDK on Windows the last part of the installation is canceled with the error message below: Problem running post-install step. Installation may not complete...
Exception in thread "main" java.lang.ClassNotFoundException: com.liferay.portal.tools.DBUpgrader
legacy Troubleshooting
Issue While attempting to upgrade to the Liferay Quarterly Release, the following error was encountered, and the upgrade process failed: Exception in thread "main" java.lang.ClassNotFoundException:...
[PortletServlet:109] Unable to process portlet com_liferay_dispatch_web_internal_portlet_DispatchPortlet: java.lang.reflect.UndeclaredThrowableException
legacy Troubleshooting
Issue Navigate to Control Panel > Configuration > Job Scheduler > Scheduled Jobs, and after clicking the "Run Now" button, it redirects back to the "Job Scheduler Triggers" page instead of executing the job. The...
java.lang.RuntimeException: java.lang.NumberFormatException: For input string: "" after upgrading to a new 7.4 Update version
legacy Troubleshooting
Issue After upgrading from DXP 7.4 Update 55 to Update 58, exception java.lang.RuntimeException: java.lang.NumberFormatException: For input string: "" is thrown during Liferay startup 2023-02-28 12:15:02.136 ERROR...
Liferay Throws java.lang.ClassCastException: class org.apache.xerces.parsers on Login
legacy Troubleshooting
Issue Liferay throws a ClassCastException after upgrading, the upgrade logs show no errors.  Liferay throws an error after non-graceful shutdown ERROR [http-nio-8080-exec-8][AutoLoginFilter:247] Current URL...
Unable to create IDP in SAML configuration with error “java.lang.RuntimeException: java.lang.NullPointerException”
legacy Troubleshooting
Issue Unable to create IDP in SAML configuration with error “java.lang.RuntimeException: java.lang.NullPointerException” 2021-01-08 18:31:29.437 DEBUG [default task-193][SamlAdminPortlet:74]...
The portal is not reindexing because the following error: "HTTP/1.1 413 Request Entity Too Large"
legacy Troubleshooting
Issue When attempting to reindex the portal, the process fails, and the following messages are displayed in the logs: May 29 12:46:07.767 build-3886 liferay[liferay-5655d97f59-99cjk] [dxp] ERROR...
HTTP/2 protocol in Liferay Cloud
legacy
Note: please note that Liferay has renamed its Liferay Experience Could offerings to Liferay SaaS (formerly LXC) and Liferay PaaS (formerly LXC-SM). Issue Does Liferay Cloud support HTTP/2? Environment Liferay...
HTTP/2 Rapid reset attack mitigation in Liferay PaaS (CVE-2023-44487)
legacy Troubleshooting
Note: please note that Liferay has renamed its Liferay Experience Could offerings to Liferay SaaS (formerly LXC) and Liferay PaaS (formerly LXC-SM). Issue If you are using HTTP/2, nginx and below tomcat...
java.io.FileNotFoundException after migration to Advanced File System Store
legacy Troubleshooting
Issue We configured the Advanced File System Store and performed the Documents Migration. At the end of the process we see that the directory structure was created, however, the folders are empty. When starting...
java.lang.ClassCastException: class com.liferay.util.axis.SimpleHTTPSender cannot be cast to class org.apache.axis.Handler error when using axis library to call an external web service
legacy Troubleshooting
Issue We have implemented a custom code in an OSGi module that uses the Apache Axis client and is trying to invoke an external SOAP web service. When we try to call the external service, a ClassCastException error is...
Service builder upgrade issue related to class: "java.lang.ClassNotFoundException: com.liferay.portal.kernel.service.PersistedModelLocalServiceRegistry cannot be found by com.mchi.master.service.service_1.0.0"
legacy Troubleshooting
Issue ClassNotFoundException error while upgrading the Service builder of DXP 7.2 to DXP 7.4 2023 Q4.0. The error looks like this: 2024-01-18 09:31:22.491 ERROR [Refresh Thread: Equinox Container:...
"HTTP/1.1 413 Request Entity Too Large" Error encountered when reindexing
legacy Troubleshooting
Issue We encountered the error below while reindexing:  Error reindexing all com.liferay.journal.model.JournalArticle for company: 10157 com.liferay.portal.kernel.log.LogSanitizerException: java.lang.RuntimeException:...