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Taking Thread Dumps From a JVM

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....

Taking Heap Dumps From a JVM

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....

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This document has been updated and ported to Liferay Learn and is no longer maintained here.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This document has been updated and ported to Liferay Learn and is no longer maintained here.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...

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