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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....

Permissions Are Not Working Post-Upgrade

legacy Troubleshooting

After upgrading from Liferay Portal 5.2, permissions settings may act in an undesirable manner. This could include not being able to change permissions, as well as not being able to access the control panel or any other...

Load Balancing Can Return Null

legacy Troubleshooting

When running Liferay with more than one node on a load balancer, sometimes, when generating urls for buttons, they can receive a incorrect url or sometimes a null value. Resolution...

Managing LDAP Settings Using .config Files

legacy How To

This document has been updated and ported to Liferay Learn and is no longer maintained here. This article documents how to configure LDAP settings using .config files instead of the Control Panel. There are a great...

Managing Distributed Cache in Liferay DXP

legacy How To

This document has been updated and ported to Liferay Learn and is no longer maintained here. This article documents the configuration options for managing distributed cache within Liferay Digital Experience...

Before Opening a Liferay Performance Ticket

legacy Troubleshooting

The following article outlines a short checklist of questions to ask and steps to take before opening a performance ticket. By taking a moment to go through this checklist before...

Application Server Times Out While Downloading/Uploading Documents

legacy Troubleshooting

When uploading documents larger than 3Mb via web call, an error may be thrown: 13:45:27,141 INFO [PortalImpl:4366] Current URL /documents/10162/179749/Certification+Tracking+Database+CSC+v2.0+Production.zip...

LDAP settings and upgrading from 5.2.x to 6.x

legacy Troubleshooting

This article pertains to portals in which LDAP is configured in Liferay Portal 5.2.x and an upgrade is performed. When a user attempts to login, an error is thrown, and the user is not...

Rolling Restart - Breaking Changes

legacy

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...

Changes in Liferay DXP Clustering

legacy

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...

Managing Distributed Cache in Liferay Portal EE

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...

Installing Liferay Portal in a Clustered Environment

legacy How To

Many enterprise environments utilize clustering for both scalability and availability. This article provides specific instructions for installing a basic configuration of Liferay Portal in a pre-existing clustered...

Performance Issue for Thread Counts While Processing JSP files

legacy Troubleshooting

This article is designed to help administrators tune performance in Liferay DXP 7.0 when the active thread count approaches the maximum allowed thread count. The reason for this performance issue is because the values...

Including portal-ext.properties in Help Center Tickets

legacy How To

One of the most important pieces of information when resolving a customer issue is the portal-ext.properties file for your environment. It is now possible to upload the portal-ext.properties file before opening a...

Transactional Cache or Blocking Portal Cache Causes the Portal to Hang

legacy Troubleshooting

This article serves as a troubleshooting guide. During a thread dump, your server may hang indefinitely due to the blocking portal cache. Blocking portal cache is one of the caches...

Carousel Portlet Prevents Ehcache Plugin From Loading With a 'ClassNotFoundException'

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...

Resolving 'BadPaddingExceptions' in the Console Logs

legacy Troubleshooting

This article addresses a situation where customers might encounter a BadPaddingException in the logs. This occurs if customers have two instances on the same domain; when a user tries to access another instance on the...

Common Upgrade Errors for Liferay DXP

legacy Troubleshooting

This article documents the common configuration errors you may encounter while upgrading to Liferay Digital Experience Platform (DXP), versions 7.0 or 7.1. Read below to discover the steps you can take to resolve these...

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

legacy Troubleshooting

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...

Testing JSON Web Services in Liferay

legacy How To

This article documents the new implementation of JavaScript Object Notation (JSON) web services in Liferay Portal 6.1.x to test API methods. The only limitation is that to test any methods they must go through JSON. A...

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...

Cannot Obtain Lock During Startup on DXP 7.0

legacy Troubleshooting

In some cases, JGroups may not get a response when trying to bind to an address. In this case, an exception like the following can be thrown: 05:50:53,559 ERROR [Framework Event Dispatcher: Equinox Container:...

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...

High Priority Issue Checklist

legacy Troubleshooting

This article provides a brief checklist of items to run through when your server is frozen, or goes down entirely. Collecting this information before opening a support ticket is a...

Before Opening an Upgrade Ticket

legacy How To

The following article outlines a short checklist of questions to ask and steps to take before opening an upgrade ticket. By taking a moment to go through this checklist before opening a request, you are ensuring 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...

Errors and Redirect Issues While Using the Control Panel

legacy Troubleshooting

This article describes navigational/redirect issues while using the Control Panel when accessing the Liferay platform through a domain (web server or not). The symptoms of this behavior are somewhat random, but...

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...

NamingException Error on WebSphere 6.x

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. When Liferay Portal is running on a...

Possible Performance Issue Caused by LPS-48693

legacy Troubleshooting

Before the portal-84-6210 fixpack, the DDMTemplate editor UI was missing the cacheable checkbox. This issue caused each DDMTemplate that was saved into the DB to not be cached. This article provides a solution to a...

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...

Before Opening a Clustering Ticket

legacy Troubleshooting

This article provides a short checklist of questions to ask and steps to take before opening a clustering ticket in Help Center. By taking a moment to go through this checklist before opening a Help Center request, you...

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....

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...

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...

ConcurrentModificationException When Deploying Plugins on Liferay Portal 6.1 EE GA3

legacy Troubleshooting

This article outlines a specific known issue that exists within Liferay Portal 6.1 EE GA3 SP3 and provides a link to follow its resolution. Resolution At the time of release, there is one known issue with Liferay...

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...

Tomcat JDBC Connection Exhaustion

legacy Troubleshooting

This article helps troubleshooting MySQL when executing the VerifyProcess. Small Max JDBC Connection Pool causes JDBC Connection Exhaustion if the VerifyProcess is executed...

Unicast with JGroups (RMI)

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....

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...

Upgrading to Liferay Portal 6.1 EE

legacy How To

With the release of Liferay 6.1 EE GA1, Liferay introduced the Seamless Upgrade feature. Seamless upgrades allow users to upgrade to the latest version of Liferay by simply pointing...

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...

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...

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....

Poor Performance in DB2 When Executing SQL Queries Over Big Tables Filtering by a Column With a Non-Unique Index

legacy Troubleshooting

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...

Ehcache Configuration for Different Versions of the Liferay Platform

legacy How To

This article outlines Liferay configurations for distributed caching along with how to deploy custom tuning configurations. For cache tuning and finding optimal settings for a particular environment, please see the...

A 'ClassNotFoundException' Thrown by WebLogic 12c

legacy Troubleshooting

This article documents a known issue that occurs when deploying portlets that use JNDI. Liferay Digital Experience Platform (DXP) isn't able to load Weblogic's JNDI classes by default, which often results in a...

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