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Important Changes in Fix Pack Release Notes
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, or other changes that are incompatible with an earlier fix pack...
Does Liferay use the full version of JQuery?
Issue JQuery offers both "Full" and "Slim" versions of their libraries Some API is available in the "Full" version only Environment Liferay Portal Liferay DXP Resolution Liferay includes the "Full" version of JQuery in all versions of Liferay , content:...
About the destination of the log that Liferay outputs as standard
This article has been machine translated from its original language for your convenience. Please use discretion as this translation may include some inaccuracies. If you encounter issues with the translation, please use the feedback button to let us know. Issue I would like to check the...
Liferay DXP Feature Comparison
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 cover new use cases that digital businesses face everyday.  This whitepaper gives a comparison of the...
DXP 7.2 Service Pack 1 (SP1) - New Improvements for Data Consistency
Liferay DXP 7.2 Service Pack 1 (SP1) includes changes that further improve data consistency within the Liferay platform. Highlights: Additional Liferay services now have Multiversion Concurrency Control (MVCC) enabled Changes to support MVCC will not break compatibility with existing...
Benchmark Study of Liferay DXP 7.2
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 contains the results based on the scenarios used. The paper is available for download here., content:...
Is there a limit to the number of calendar events that can be displayed?
This article has been machine translated from its original language for your convenience. Please use discretion as this translation may include some inaccuracies. If you encounter issues with the translation, please use the feedback button to let us know. Issue When you add an event from...
Liferay DXP 7.2 Database Portal Properties
This document has been updated and ported to Liferay Learn and is no longer maintained here. This article is intended to provide a list of all the Liferay DXP 7.2 properties that can be used to connect the database of your choice to your Liferay DXP 7.2 installation. To use any of them,...
DXP 7.2 Upgrade Reference Guide
An upgrade to Liferay DXP 7.2 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 recognizes that an upgrade often requires a significant...
Tips for minor updates in the infrastructure (application server, database server, ...)
Issue Sometimes, there is the need to update the infrastructure (application server, database server, elasticsearch server, etc.), to benefit from security fixes, performance improvements or others. Minor updates means, for example, updating tomcat from 7.0.56 to 7.0.67. Below you can...
Liferay DXP and S3 security
Issue Does Liferay support server-side encryption on Amazon S3? Is Liferay calling S3 over HTTPS only? Will Liferay work on a restricted S3 bucket without public access? Environment Liferay 7.0 DXP Liferay 7.1 DXP Liferay 7.2 DXP Resolution On the AWS Management Console, all three...
Service Packs and Fix Packs Overview
Please be aware that the page you are viewing has been machine translated from Japanese into English and may contain some translation errors. If you observe any issues with the translation, please contact us. Issue What are service packs and fix packs? Is there a recommended renewal...
How to restrict the JSON web services API page
Issue JSON web services API page is being exposed through the URL http://[address]:[port]/api/jsonws. Environment Liferay Portal 6.2 Resolution Liferay Portal 6.2 doesn't have any out of the box option to restrict the JSON web services API page. Additional Information Liferay Portal 6.2...
Work folder under Liferay Home
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 DXP 7.1 Liferay DXP 7.2 Resolution {Liferay_Home/work} got introduced in Liferay...
'Link to URL' page type doesn't work for relative urls
Issue While creating a page of type 'Link to URL', If Absolute URL is given, the page is created successfully and is redirected to the respective link. If Relative URL like "/web/guest/e-learning1" is given, the page is created successfully but is not redirected to the respective link...
Changes to the Site Template
Please be aware that the page you are viewing has been machine translated from Japanese into English and may contain some translation errors. If you observe any issues with the translation, please contact us. Issue Is there a function to change a site template created from a site...
Calendar portlet displays time in different formats depending on display language
Please be aware that the page you are viewing has been machine translated from Japanese into English and may contain some translation errors. If you observe any issues with the translation, please contact us. Issue When an appointment is registered in the calendar portlet, the time...
PortletMVC4Spring, Spring Framework, and Liferay DXP
Question Spring Framework 5 does not include support for Spring Portlet MVC.  Support for Spring Framework 4, including Portlet MVC support, will remain until 2020.  What is the future of Spring Portlet MVC and Liferay? Resolution Liferay adopted Spring Portlet MVC in March of 2019 and...
Connecting to Multiple IdPs with SAML Plug-ins
Please be aware that the page you are viewing has been machine translated from Japanese into English and may contain some translation errors. If you observe any issues with the translation, please contact us. Issue Is it possible to connect to multiple IdPs with the SAML plugin?...
Cluster Node name is missing from sessionID in Audit_AuditEvent table
Issue In a cluster environment, after setting the cluster node name (jvmRoute or instance-id) on Application Server, the node name is not appended to the sessionID stored in Audit_AuditEvent table.  When checking the JSessionId in the browser, the node name is appended. For example,...
How does the content sharing functionality from parent sites to child sites work? What type of content is supported?
Issue What does sites.content.sharing.with.children.enabled do,  how does the content sharing functionality from parent sites to child sites work, and what type of content is shared from parent sites? Environment Liferay DXP 7.0 Liferay DXP 7.1 Liferay DXP 7.2 Resolution The...
Restricting/Disabling the Default Liferay DXP (Guest) Site access.
Issue The '/web/guest' associated with the domain name will redirect to the default DXP site. Suppose there are two sites, site1 and site2 mapped to domains www.domain1.com and www.domain2.com                        Site 1 - www.domain1.com/web/site1/home lands to Homepage of Site1      ...
Where is com.liferay.portal.cache.ehcache.impl.jar
Issue Unable to find the com.liferay.portal.cache.ehcache.impl.jar for download Environment Liferay DXP 7.1 Resolution "com.liferay.portal.cache.ehcache.impl-version.jar" is located inside "/osgi/marketplace/Liferay Foundation - Liferay Portal Cache - Impl.lpkg"., content:...
Update of the schedule of the invited user who specified "Reject".
Please be aware that the page you are viewing has been machine translated from Japanese into English and may contain some translation errors. If you observe any issues with the translation, please contact us. Issue When an appointment is updated according to the following procedure, the...
What database isolation level does Liferay need for Microsoft SQL Servers?
Issue There are several different isolation levels that can be configured on a SQL Server database. Which one is appropriate to use with the Liferay software? Environment Liferay Portal 6.2 connected to a SQL Server 2005, 2008, 2008 R2, 2012, or 2014 database Liferay DXP 7.0 connected to...
Can I encrypt / hide database password in portal-ext.properties and tomcat server.xml?
Issue Is there any way to hide database password in portal-ext.properties and in tomcat server.xml? Environment Liferay DXP 7.0+ Resolution Recommendation: Use environment variables to pass the database password: One of the most secure way to initialize those secret environment variables...
Benchmark Study of Liferay Digital Enterprise 7.0
This whitepaper is a benchmark study of Liferay Digital Enterprise 7.0 and describes optimal configuration, settings, and the methodology used for this study. The whitepaper also contains the results based on the scenarios used. The paper is available for download here., content:...
Default View for Calendar Portlet Saves on All Pages
Issue If a user sets the Calendar's "View" configuration, the setting is applied for every instance of the Calendar Portlet instead of just the specific instance of the portlet Environment Liferay DXP Liferay Portal Resolution The Calendar portlet is unique among portlets because each...
How to Upgrade to Liferay DXP from Liferay 6.X
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, testing and execution in order to be successful. The paper is...
Liferay DXP 7.1 Upgrade Performance Benchmark
The Liferay Support and Liferay Engineering tuned Liferay 6.2 EE databases for upgrade and tested upgrading them to Liferay DXP 7.1. Databases from several vendors were tested. This whitepaper describes the test scenarios, tuning for database upgrade and upgrade performance results. The...
I would like to upgrade my portlets to Liferay DXP but can not find where XML Descriptors have been moved to
Issue Upgrading from Liferay 6.2 to Liferay 7.0+ is a significant process. One of the changes implemented is the use of OSGi components. Several XML Descriptors have been converted to OSGi services. Environment Liferay DXP 7.0 and higher Resolution Our Liferay DXP 7.1 Portlet Descriptor...
DXP 7.1 Upgrade Reference Guide
An upgrade to Liferay DXP 7.1 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 recognizes that an upgrade often requires a significant...
How do I perform an integration test for customizations for Liferay DXP 7.1?
Issue Our team would like to use the LiferayIntegrationTestRule and perform an integration test. How do we set up an integration test? Environment Liferay DXP 7.1 Resolution Liferay leaves the integration testing framework to your discretion.  One example would be to...
What HTTP METHODS/VERBS does Liferay DXP use?
Issue Which HTTP Methods does Liferay DXP use? We would like to restrict HTTP traffic using a firewall and do not want to impact Liferay DXP functionalities. Environment Liferay DXP 7.0+ Resolution Liferay DXP can use the following HTTP methods: CONNECT, DELETE, GET, HEAD, OPTIONS,...
Creating a Backup & Disaster Recovery Plan for Liferay Digital Experience Platforms
This article gives an overview of a backup & disaster recovery environment that is necessary when starting a Liferay Digital Experience Platform (DXP) project. This backup will often be referenced by Liferay Support Engineers as it is crucial to have a stable and working backup of the...
JDK Certification, Java TCK Compliance, and Liferay
With the release of JDK11, Oracle's new Java SE Support Policy (also see here) brings changes to the Java Enterprise community. The following article outlines Liferay's approach concerning the certification of JDK releases for existing versions of Liferay Digital Experience Platform and...
Virtual Host Login/Logout Properties
This article documents four portal properties that are often used to configure redirection URLs for users. The four descriptions below include the properties, their descriptions, and examples for: Configuring the default home URL of the portal Redirecting a user after logging in...
JDK7 Concerns
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.  JDK7 is supported in 6.1 EE GA2 edition of Liferay - however please note that patches are only shipped with JDK5...
Rolling Restart - Breaking Changes
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...
Changes in Liferay DXP Clustering
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...

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