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Liferay DXP 7.1 Database Portal Properties

This article is intended to provide a list of all the Liferay DXP 7.1 database properties that can be used to connect your DXP 7.1 installation to various databases. To use any of them, uncomment the block of code you...

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 While the article is no longer maintained, the information may still be applicable.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...

Too Many CPU Intensive Tasks: A Common Performance Issue in DXP 7.0

legacy Troubleshooting

This article documents a common performance issue related to running Too Many CPU Intensive Tasks within Liferay DXP 7.0. Continue reading to discover the necessary information about this issue and how to...

Setting Up the Liferay Platform on AWS EC2

legacy How To

This article is a guide to help users set up, install and cluster Liferay DXP 7.0 or 7.1 on AWS Elastic Compute Cloud (EC2). Resolution EC2 Instance Set Up There are 2 kinds of EC2 instances: (1)...

Managing Time Zones in DXP 7.0

legacy How To

This article documents how to change the time zone in your Liferay DXP 7.0 environment. Given that users are working with the Liferay platform from all over the world, it is important to have the ability to change...

Trouble Starting Portal If 'Java_Home/bin' Is Not Defined in Path Variable

legacy Troubleshooting

This article describes a known issue where the platform may not start if JAVA_HOME/bin is not defined in the PATH variable. DXP 7.0 and 7.1 requires JAVA_HOME and PATH variables to be set. However, the...

Portal Best Practices

legacy

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. The...

Upgrade Process properties are not needed anymore

legacy

Prior to Liferay Portal 6.1, the upgrade process required that "upgrade.process" property to be set in the portal-ext.properties. For example, consider an upgrade from Liferay Portal 5.2 to Liferay Portal 6.0...

Self-Diagnose the Structural Issues in Custom JAR

legacy Troubleshooting

This article documents how to self-diagnose the structural issues in custom jars. There are different types of structural issues in custom jars, and this is a general guideline for developers to troubleshoot the structural...

Liferay Portal Database Portal Properties

legacy How To

This article is intended to provide a list of all of the Liferay Portal Database properties that can be used to connect your portal to various databases. To use any of them, un-comment the block of...

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...

Setting Up Liferay Portal Using Oracle Databases

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. Any implementation of these...

UDP Multicast Protocols and Firewalls

legacy Troubleshooting

This article is designed to help system administrators troubleshoot a Liferay DXP instance deployed in a clustered environment. Some issues may arise because of too restrictive firewall settings (most, if not all, systems...

Setting Up and Configuring MySQL Database With Liferay Portal

legacy How To

This article will help users by providing instructions for setting up MySQL on your machine, creating a new database, and then connecting Liferay Portal to that database. Resolution...

Creating a Backup/Disaster Recovery Environment for Liferay Portal

legacy

This article gives an overview of a backup/disaster recovery environment that is necessary when starting a Liferay Portal project. This backup will often be referenced by Liferay Support Engineers as it is...

Apache Tomcat Security Advisory: CVE-2018-1336

legacy Troubleshooting

General Information CVE-2018-1336 reports that, "an improper handing of overflow in the UTF-8 decoder with supplementary characters can lead to an infinite loop in the decoder causing a Denial of Service." This...

Understanding Languages in Liferay Portal

legacy How To

Liferay Portal is designed to handle as many languages as you want to support. This is done by pulling out all language specific text and storing it in the language.properties files....

Stopping Liferay DXP 7.0 LPKG Modules

legacy

This article documents which LPKG files can be disabled with little or no negative effects as part of Liferay's introduction of modularity in Liferay DXP 7.0. Because certain core functionalities have been turned into...

Avoiding a Batch Error When Defining Friendly URLs

legacy Troubleshooting

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. If you...

Deploying the Liferay Platform on WebSphere Network Deployment Edition

legacy How To

This article documents how to deploy Liferay Portal 6.2 or Liferay DXP (7.0 or 7.1) on WebSphere Application Server with Network Deployment (commonly abbreviated ND). The Network Deployment Edition is a tool that...

Setting Up the Liferay Platform on Microsoft Azure

legacy How To

This article outlines what Microsoft Azure is, how to create a Virtual Machine (VM) to run on the Liferay platform and how to configure the Liferay platform with Azure. Resolution What is Azure? Microsoft Azure is a...

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...

Liferay server is not reachable with the error "HTTP 404" on the browser

legacy Troubleshooting

Issue When accessing the server on the browser, the server is unreachable with the error HTTP 404 and the following error is observed on the Liferay logs. ERROR...

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,...

Why is the server now timing out users after 15 minutes instead of 30?

legacy How To

Issue After updating past de-68 for Liferay DXP 7.0 or past dxp-5 for Liferay DXP 7.1 users are now timing out after 15 minutes. Environment Liferay DXP 7.0 using the Tomcat application server Liferay DXP...

SSL/TLS communication when connecting to the database

legacy

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...

Logging Mechanism for Liferay Database Pool

legacy How To

Issue 1. How to increase the logging around connection pool which can help to understand the activities within the connection pool? 2. What other container-managed database connection pool can be used instead of c3p0?...

Unable to search results which are greater than 10000

legacy Troubleshooting

Issue The total number of count displayed in pagination is 10,000 due to which the assets present after 10,000 are not searchable. For Example: If there are 12,000 users in the portal, the users above 10,000...

Unable to resolve portal host java.net.UnknownHostException:[HOSTNAME] Name or service not known

legacy Troubleshooting

Issue When starting up the Tomcat server I get the following stacktrace: WARN [catalina-exec-15][PortalImpl:7173] Unable to resolve portal host java.net.UnknownHostException: [tomcat-host] Name or service not...

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]...

EXT Plugin not deploying

legacy Troubleshooting

Issue EXT Plugin not deploying correctly through the methods presented in the documentation: Deploying an Ext Plugin Environment Liferay DXP 7.1 Resolution Deploy the EXT Plugin to marketplace/override folder...

"Too Many Open Files" error in log

legacy Troubleshooting

Issue "Too Many Open Files" error is reported in the log. For example: 2019-05-06 09:41:20,142 SEVERE [org.apache.tomcat.util.net.NioEndpoint] Socket accept failed java.io.IOException: Too many open files at...

How to programmatically undeploy a module in DXP 7.1?

legacy How To

Issue I want to undeploy a module from my code, usig API I tried using DeployManagerUtil.undeploy(context), but nothing happens Environment Liferay DXP 7.1 Resolution If you are trying to undeploy a module by its context...

Child pages not displayed in Navigation Menu after upgrading to Liferay 7.2

legacy Troubleshooting

Issue After upgrading the portal to Liferay DXP 7.2, the child pages which were present in Liferay Portal 6.2 go missing from the Navigation menu in DXP 7.2. But, the child pages are present in Site Builder....

Error java.lang.OutOfMemoryError: Metaspace

legacy Troubleshooting

Issue When there's a lot of traffic or usage, the logs show an error similar to: 2019-11-12 07:39:54.538 ERROR [liferay/scheduler_dispatch-24][ParallelDestination:55] Unable to process message...

java.sql.SQLException: Incorrect string value and no Display Templates listed for the Breadcrumb widget

legacy Troubleshooting

Issue On startup, the server will print errors similar to these: ERROR [main][JDBCExceptionReporter:234] Incorrect string value: '\xE5\x9F\xBA\xE6\x9C\xAC...' for column 'name' at row 1 WARN...

Reference tag in service builder service.xml is not allowing to have MBMessage reference

legacy Troubleshooting

Issue Creating service module with reference <reference entity="MBMessage" package-path="com.liferay.message.boards" /> in service.xml. gradle buildService fails with Exception in thread "main"...

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