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Issues Encountered with Upgrades to Liferay Portal EE Versions

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 While the article is no longer maintained, the information may still be applicable.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

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 While the article is no longer maintained, the information may still be applicable.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

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 While the article is no longer maintained, the information may still be applicable.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 While the article is no longer maintained, the information may still be applicable.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

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...

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...

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...

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...

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...

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...

Deploying Xuggler on Windows 64 bit

legacy Troubleshooting

Xuggler is a tool for users to encode and decode media files. Used in conjunction with Liferay Portal or Digital Enterprise 7.0, users can view media files on the Documents and Media...

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