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Several JGroups messages related to "Accept view MergeView" are appearing in a clustered node

Issue Liferay's Cluster Link cache replication makes use of JGroups. There are instances when several JGroups messages related to "Accept view MergeView" are appearing while the cluster is running. Environment Liferay DXP...

Why are entries in my Liferay DXP bundle (such as Organization Types) duplicating every restart

legacy Troubleshooting

Issue In some situations there have been reports of OSGi entries within a Liferay DXP 7.1 bundle replicating every restart. At first there is one entry for a given configuration, then following a restart there...

Unable to Edit any options in Site settings of a Site.

legacy Troubleshooting

Issue Unable to Edit any options in Site settings. That is from: The home page, not able to edit and select the layout/theme. Also, from Control Panel-> Sites-> Select site-> Edit was not able to change the...

NullPointerException and blank page after redeploying JSP fragment module

legacy Troubleshooting

Issue We start with a state where we have a jsp fragment deployed and is working fine. We then make a change to that module and do a hot deployment. After that, the page on which the fragment is being used shows only the...

ORMException / StaleObjectStateException is reported

legacy Troubleshooting

Issue The following ORMException and StaleObjectStateException are reported in the log 2019-03-25 01:59:12.172 ERROR [http-nio-8080-exec-9][MainServlet:525] com.liferay.portal.kernel.exception.SystemException:...

Resolving a "The expression syntax is invalid" Error During the UpgradeDDMStructure Phase of the Liferay DXP Upgrade Process.

legacy Troubleshooting

This article describes a known issue in the Forms portlet when upgrading from DXP 7.0 to DXP 7.1+. During the upgrade, a validation error is thrown as follows: Unable to upgrade the visibility expression "equals(Options,...

Limitation: Audience Targeting User Segment Cannot Use Physical Screen Size MDR

legacy Troubleshooting

This article documents a limitation when viewing content based on a User Segment in the Audience Targeting app that uses the Physical Screen Size attributes as a Mobile Device Rule. It was discovered that users could...

Upgrade Tool Uses Wrong Version of Tomcat

legacy Troubleshooting

Issue When upgrading to Liferay DXP 7.0 or DXP 7.1 and using the SP1 + Tomcat bundle, the wrong version of Tomcat is suggested by the Upgrade Tool For 7.1 the bundle includes Tomcat 9.0.6, but the...

If a Staging publication is on progress and the server is shut down, publication stays on queue and no further publications are possible

legacy Troubleshooting

Issue If a publication on staging is made and the server is shut down, the publication will stay on queue on start-up and, even if cancelled, no more staging publications can be made. The following java class stays...

SQL Scripts Causing Duplicate Keys

legacy Troubleshooting

While using a new instance of the Liferay Portal, some environments may encounter the following error: ORA-01452: cannot CREATE UNIQUE INDEX; duplicate keys found Resolution This...

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...

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...

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...

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:...

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...

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...

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...

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