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Cluster Nodes Are Not Connected When Using Jdbc_Ping on an Oracle Database

This article documents a solution if subscribers are using an Oracle database and using JDBC_ping as the discovery protocol in a clustered environment. The issue is that the JGroup's default initialize_sql value is...

Setting Up Liferay WAR on Tomcat 7

legacy How To

This article describes how to set up Liferay Portal 6.1 EE or Liferay Portal 6.2 EE using Windows and MySQL 5.x on Apache Tomcat 7.x. Resolution 1. Gather the Necessary Files Download...

Quick Start Guide to SAML on Liferay Portal 6.1 EE GA3

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 While the article is no longer maintained, the information may still be applicable. If you are working with a Liferay Portal...

User's group membership not updating with LDAP after upgrading to Liferay Portal 6.0 EE SP2

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 While the article is no longer maintained, the information may still be applicable. Beginning in Liferay 6.0 EE SP2, the...

Error when going to Portal Settings After Upgrading to Liferay Portal 6.1

legacy Troubleshooting

After an upgrade to Portal 6.1 EE GA1 when clicking on Control Panel > Portal settings, an error pops up: 11:53:46,699 ERROR [BeanPropertiesImpl:480] jodd.bean.BeanException: Simple property not found: hostname...

Issues Encountered with Upgrades to Liferay Portal EE Versions

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 While the article is no longer maintained, the information may still be applicable.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

Clustering With TCP Unicast

legacy How To

Clustering with the Liferay platform can be achieved by using UDP Multicast, UDP Unicast and TCP Unicast. While Multicast is being used by default, there are cases where UDP Multicast...

PDFBox Causing JVM Crashes

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 While the article is no longer maintained, the information may still be applicable. This article describes an issue inherent...

Setting Up Liferay Portal on JBoss 6 EAP

legacy How To

This article will outline how to set up JBoss 6 EAP and deploy Liferay 6.1 EE and 6.2 EE to this application server. Resolution Before You Begin, download JBoss EAP 6.0.1 or 6.1, and...

Liferay-JBoss Integration

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...

Image Editor Does Not Load on Websphere

legacy Troubleshooting

This article documents an issue where the image editor does not load on WebSphere, as well as steps to resolve the issue or avoid it altogether. This issue is caused by one of the JS files served within the JS editor...

Common Errors with Database Sharding in DXP 7.0

legacy Troubleshooting

This article documents the issues with setting up a sharded database and lists steps to resolve the issue or avoid it altogether. Resolution Error: Users are unable to create content specifically on a sharded database...

Upgrade halts with "ALTER TABLE" exception

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. Liferay Support does not recommend or...

Avoiding SAXParser Exceptions

legacy Troubleshooting

By default, the Liferay platform does not define a SAXParser. But please note that a SAXParser contains the logic that can parse XML files. Liferay does not define a SAXParser because certain setups (e.g....

Known Issues with Core-5

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. This article outlines a small set of...

DXP Fails to Generate Captchas and Charts on RHEL 7.4

legacy Troubleshooting

When using RHEL 7.4, and viewing a captcha, or when navigating to Control Panel > Configuration > Server Administration, the following stack trace will appear in the application server logs. That is...

Difficulty Adding Assets That Use Alloy Editor on Windows Os in DXP 7.0

legacy Troubleshooting

This articles serves as a troubleshooting guide for users working in Liferay DXP 7.0. When it comes to adding assets using the alloy editor on Windows OS, you may encounter some difficulties. The browser may display a...

Resolving 'UnsupportedOperationException' Caused by an Invalid Audit Max Queue Size Setting

legacy Troubleshooting

This article documents steps on how to increase the audit message max queue size that leads to an UnsupportedOperationException. By default, System Settings > Foundation > Audit > "Audit message max queue size" is set...

X-FRAME-Options Reference Guide

legacy How To

This article is to help those who wish to change the X-Frame-Options in Liferay Digital Experience Platforms. Usually, this is required if you are trying embedding widgets in a portlet or an iFrame so that HTTP headers...

Starting Up a Liferay Bundle From an External Drive on a Mac

legacy Troubleshooting

Whether it's for demo-ing Liferay or for other purposes, you may at some point wish to run a Liferay bundle from an external hard drive. Most of the time, this is straightforward. When...

Changing the Liferay Logs Directory

legacy How To

This article documents how to change the Liferay logs directory from the default [LIFERAY_HOME]/logs to another desired path. Resolution Steps to Change the Liferay Logs Directory...

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...

Liferay Information for Common Databases

legacy

The following article contains relevant information for connecting Liferay to some of the more common databases. Resolution MySQL Oracle Commands http://dev.mysql.com/doc/refman/5.5/en/index.html...

[Upgrade] Handling Quartz Data during Liferay Portal Upgrades

legacy How To

Quartz data is a unique type of data. If quartz data is part of the database upgrade, then there are some potential additional steps to take during the upgrade process. Resolution If there are not any publishing jobs,...

Backslashes in Screen Name Are No Longer Valid After Upgrading to Liferay Portal 6.2

legacy

After upgrading from Liferay Portal version 5.2 EE SP4 to 6.2 EE, backslashes in the screen name are not allowed when using the liberal screen name validator. In Portal 5.2, backslashes were allowed in the screen name....

Migrating properties which are set through Control Panel to portal-ext.properties file

legacy How To

Important Notification: Modifying the database is a risky operation! Always make a backup of your database before any modifications! If your custom portal properties are already set...

Connecting WebDAV to Liferay Portal Running Behind a Web Server

legacy Troubleshooting

This article documents how to connect to Liferay WebDAV folders and files from a WebDAV client if Liferay Portal is running behind a web server. Specifically, this issue was found using the IBM WebSphere application...

Copy File Error When Extracting a Liferay Bundle

legacy Troubleshooting

This article describes a workaround for the following known issue that you may encounter when using Liferay Portal with operating system Windows XP and/or Windows 7. The error reads:...

Using Portal Properties for Separate Liferay Instances

legacy How To

Much like the portal-ext.properties file, portal-${instance}.properties files override properties set in portal.properties and other files for a specific Liferay instance. This article...

Setting Up Liferay Portal on Postgres 9

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. This article will explain how to create a...

Using JNDI Resources with Hibernate

legacy How To

If you are using Hibernate to connect to JNDI resources on Tomcat (or an application server that manages JNDI resources the same way), this tutorial is for you! As background, one way...

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 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...

Modifying Liferay Page Messages Through Language.Properties

legacy How To

In order to change out of the box page messages within Liferay, one must configure the properties of the language.properties located in the portal-impl.jar/content/language.properties...

Internal Server Error after Upgrade

legacy Troubleshooting

A common error is that sometimes when certain pages display an internal server error and there is no stacktrace. If there was a custom theme before the upgrade the page layouts will still reference them and if one has not...

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...

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...

DLFileRank Causes Deadlock or SQL Update Batch Errors

legacy Troubleshooting

With DLFileRank enabled, Deadlock or SQL Update Batch Errors may happen due to DLFileRank updates. When using DLFileRank, unique constraints can be found due to the amount of writes...

Before Opening a Portal Deployment Ticket

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. The following article outlines a short...

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