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Duplicate Logging in Upgrade to DXP 7.1
Issue Upgrade to DXP 7.1 shows duplicate logging during the VerifyProcess steps. For example: 2019-02-26 00:13:25.995 INFO [main][VerifyProcess:65] Verifying com.liferay.portal.scheduler.internal.verify.SchedulerHelperPropertiesVerifyProcess INFO - Verifying...
Failed to link com/sun/xml/messaging/saaj/soap/SOAPDocumentImpl or Could not initialize class org.apache.cxf.helpers.DOMUtils
Issue When using JBoss as the application server and having customization to extend Web Service (WS), user may get the following issue: Web Service can not be found. When restarting the server, the following error is reported: 2019-04-26 05:47:02.437 WARN [ServerService Thread Pool --...
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...
"Incorrect string value: '\xC2\x80\xC2\x99s ...' for column 'description' at row 1"?
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 database connected to the Liferay DXP bundle must be configured to UTF-8. It may...
Missing Marketplace App Functions in the Control Panel
Issue After restarting the server, customers have reported that several Marketplace functions normally found in the Control Panel are missing. See screenshot: Environment Liferay DXP 7.x Resolution This is because the Marketplace App has been corrupted. To resolve this issue, download...
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:...
LAR Import Fails with Error UT000020
Issue Trying to import a LAR file (or any other file type) larger than 10MB fails with the following message on the logs: Unable to parse upload request: UT000020: Connection terminated as request was larger than 10485760 Environment JBoss or Wildfly; Liferay DXP (any version)....
Compressing (Gzipping) js_loader_modules file
Issue js_loader_modules files are taking more time to load which degrades the portal's performance. To identify whether js_loader_modules file is Gzipped or not: Open the portal in Chrome incognito window. Press F12 and switch to the Network tab. Hit http://localhost:8080. Search...
Unable to deploy Apps because of an "Unable to write ..." error
Issue Cannot deploy certain App/plugins because of an "Unable to write ..." error. Some symptoms of this are: The App just sits in the deploy folder. The following error is reported in the log repeatedly: 2019-04-02 22:35:17.574 ERROR...
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...
Why can I not access my Liferay server at the Friendly URL I set?
Issue A Friendly URL can be set to change the URL that users see when accessing a specific site. However without the Home URL being updated attempting to access the bundle at its base address will return a "Not Found" page. Environment Liferay DXP 7.0 Liferay DXP 7.1 Resolution When...
Upgrading from Liferay DXP 7.0 to 7.1
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 for download here., content:...
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...
Removing Product Information Displayed in the HTTP Headers
Issue Customers might want to remove the product information found in the HTTP Headers and in the console logs for security reasons. The information displays: Liferay-Portal: Liferay Digital Experience Platform 7.0.10 GA1 (Wilberforce / Build 7010 / June 15, 2016) Environment Liferay DXP...
ORMException / StaleObjectStateException is reported
Issue The following ORMException and StaleObjectStateException are reported in the log 2019-03-25 01:59:12.172 ERROR [http-nio-8080-exec-9][MainServlet:525] com.liferay.portal.kernel.exception.SystemException: com.liferay.portal.kernel.dao.orm.ORMException:...
Determining the Page Count and Global References in a Site
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 principles is the responsibility of the subscriber. Issue This article...
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...
Why does my portlet not have a version number after it is deployed?
Issue Deploying a .war portlet through the /liferay_home/deploy folder leads to the deployed portlet not having a version number in its file name. Environment Liferay DXP 7.0 de-33+ Liferay DXP 7.1 Resolution A fix implemented in de-33 addressed a potential issue were multiple copies of...
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...
DXP 7.0 Upgrade Reference Guide
An upgrade to Liferay DXP 7.0 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...
Liferay Marketplace Will Not Work Without Cookies Enabled
If third-party cookies and site data are blocked then logging into marketplace through the control panel will not work and time out with an error on being unable to connect to the server. Resolution If cookies cannot be enabled, you can always add the following extension to be allowed:...
Updating to Liferay DXP 7.2 SP1 / Fix Pack 2 (or Above) from Liferay DXP 7.2 GA1 or Fix Pack 1
Issue When migrating from 7.2 GA1 or Fix Pack 1 to Liferay DXP 7.2 Fix Pack 2 (ie: SP1) or above, you will be required to run the upgrade tool after installing the patch. The reason for this is, SP1 and FP2 have modifications to data within the database that must be completed before...
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,...
Resolving a "The expression syntax is invalid" Error During the UpgradeDDMStructure Phase of the Liferay DXP Upgrade Process.
This article describes a known issue in the Forms portlet when upgrading from DXP 7.0 to DXP 7.1+. During the upgrade, a validation error is thrown as follows: Unable to upgrade the visibility expression "equals(Options, "Others") then abc" to a form rule Continuing on:...
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...
Changing the Liferay Instance's Log Time Zone Without Modifying the JVM Time Zone
Introduction By default, Liferay's JVM uses the UTC (GMT) timezone for scheluding jobs and displaying the correct dates in the presentation layer. However, you can change the time zone for the log files without modifying this default configuration. In this article, you'll customize the...
Limitation: Audience Targeting User Segment Cannot Use Physical Screen Size MDR
This article documents a limitation when viewing content based on a User Segment in the Audience Targeting app that uses the Physical Screen Size attributes as a Mobile Device Rule. It was discovered that users could not view any content created with this set of conditions. This means...
Starting Servers in the Correct Sequence
Issue What is the correct sequence to start up all servers during a restart? Environment DXP 7.0, 7.1 Resolution Sometimes it is necessary to restart some if not all of the servers that Liferay DXP runs on or is dependent on. Reasons include rolling restarts for patching or maintenance....
Disabling Calendar Email Notifications in DXP
Issue In Liferay Portal 6.1, calendar notifications could be disabled using portal-ext.properties In Liferay DXP 7.0+, these properties no longer exist Environment Liferay DXP 7.0+ Resolution NOTE: This resolution requires customization and should only be implemented at the discretion of...
Preparing a Sybase Database for Liferay
Issue Are there any specific configurations needed when setting up a Sybase database to connect to a Liferay bundle? Environment Sybase 15.7, 16 Liferay Portal 6.1, 6.2 DXP 7.0, 7.1 Resolution Unlike other database vendors, there are a couple of commands that must be executed on Sybase...
Upgrade Tool Uses Wrong Version of Tomcat
Issue When upgrading to Liferay DXP 7.0 or DXP 7.1 and using the SP1 + Tomcat bundle, the wrong version of Tomcat is suggested by the Upgrade Tool For 7.1 the bundle includes Tomcat 9.0.6, but the Upgrade Tool is configured to recommend version 9.0.10 For 7.0 the bundle includes Tomcat...
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...
DXP 7.3 Upgrade Reference Guide
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 recognizes that an upgrade often requires a significant...
How to Install and Set up a Local Liferay DXP Instance on Windows or Mac (Video)
Learn how to install and set up a local Liferay DXP instance for the first time. Windows Mac Additional Information Official Documentation: Installing Liferay Liferay Learning Youtube Channel, content:...
Installing Fix Packs and Hotfixes on Liferay DXP
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 Patching Tool. For more information on how to configure the Patching Tool, see: Using the Patching Tool....
If a Staging publication is on progress and the server is shut down, publication stays on queue and no further publications are possible
Issue If a publication on staging is made and the server is shut down, the publication will stay on queue on start-up and, even if cancelled, no more staging publications can be made. The following java class stays queued: BackgroundTaskResult backgroundTaskResult = ...
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...

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