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ClassCastException during upgrade when setting maximum file size using config file

Issue During the upgrade process from Liferay DXP 7.2 to 2025.Q1, a ClassCastException occurs when setting the maximum file size using the OSGi configuration file...

The restClient object throws error in Freemarker templates on JBOSS EAP

legacy Troubleshooting

Issue The "restClient" object throws an error in a Freemarker template within a Web Content Template, Application Display Template, a Fragment or any other kind. The error message displayed on the HTML...

Site-initializer using PATCH instead of PUT for object definition with API

legacy Troubleshooting

Issue I am having issues updating our object definitions via site initializer synchronization. The issue was first observed with new fields not getting added to objects. When I do a manual object definition export/add...

How can I search for all instances where a specific theme has been applied?

legacy Troubleshooting

Issue I have applied a specific theme to certain pages and would like to update the theme to a new one. However, I am not sure which pages / layouts have my theme has been applied. When I remove my previous theme and...

Upgrade to 2024.Q1.14 LTS on Oracle failed with "Invalid column name" error

legacy Troubleshooting

Issue When upgrading to Liferay DXP 2024.Q1.14 LTS, the database upgrade process fails with the following error: ERROR - Failed upgrade process for module com.liferay.layout.page.template.service...

BatchUpdateException when upgrading to Liferay Quarterly Release with SQL Server

legacy Troubleshooting

Issue We have received a recent report where a BatchUpdateException was identified while upgrading from an earlier Liferay DXP 7.4 update to Liferay Quarterly Release while using SQL Server You may see an error such as the...

Is it possible to separate Liferay module jars and custom jars in osgi/modules directory in the Quarterly Release

legacy Troubleshooting

Issue After upgrading to Quarterly Release 2023.Q3, Liferay modules are now stored in osgi/modules directory. Is it possible to separate Liferay module jars and custom jars in osgi/modules directory in the Quarterly Release?...

Cache is not alive (STATUS_SHUTDOWN) errors

legacy Troubleshooting

Issue I see Cache is not alive (STATUS_SHUTDOWN) errors in the logs of my clustered environment. I have modules that override com.liferay.portal.kernel.dao.orm.EntityCache.com.liferay.portal.model.impl.GroupImpl...

Custom OSGi module needs to be redeployed after application server restart

legacy Troubleshooting

Issue Custom OSGi module stops working and fails after an application server (i.e. Tomcat) restarts, and needs to be redeployed to get it to work again. Environment DXP 7.4 Resolution Blacklist the OSGi components before...

Resolving Job Scheduler Stuck in "In Progress" Status

legacy Troubleshooting

Issue The Job Scheduler log status remains stuck in "In Progress" after a server outage during a triggered job and can not be deleted. Environment Liferay DXP 7.4 Quarterly Release 2023.Q3 Resolution...

Scheduled jobs running right after activation, no matter their trigger schedule

legacy Troubleshooting

Issue When activating a new task from Control Panel -> Job Scheduler -> Job Scheduler Triggers, it is fired immediately, regardless of the trigger schedule. Environment Liferay 7.4, 2023.Q3, 2024.Q3...

Moving to SAML w/ Upgrade Encountering Landing Page Issues

legacy Troubleshooting

Issue We just tested upgrading to 7.4 changing to SAML (coming from CAS) in the process and believe we have encountered the issue as described in this...

Liferay application servers getting unresponsive while switching the database

legacy Troubleshooting

Issue The below exceptions have been observed in the Liferay application servers. It's getting unresponsive while switching the database. ERROR...

Stopping application server takes too much time

legacy Troubleshooting

Issue Shutting down the application server waits indefinitely so we have to use kill command. Environment Liferay DXP 7.0+ Resolution It can happen that a latch countdown to stop an OSGi service takes a lot of...

S3Store error during upgrade in case of missing s3Endpoint parameter

legacy Troubleshooting

Issue During upgrade, you might encounter the following error if the s3Endpoint parameter is not configured properly in the com.liferay.portal.store.s3.configuration.S3StoreConfiguration.config file:...

SYSERR(root) rewrite excessive recursion (max 50) ruleset canonify exception when mail triggers

legacy Troubleshooting

Issue When mailing triggers, exception [SYSERR(root): rewrite: excessive recursion (max 50), ruleset canonify] throws in the server, and mail is not received by recipients. Environment DXP 7.0 Resolution This kind of...

Liferay application is not reconnecting with database server

legacy Troubleshooting

Issue Why Liferay application is not reconnecting with the database server? Environment Liferay DXP 7.0 Resolution In case the database services have been restarted, Liferay would need a restart to re-establish the...

Client-side HTTP parameter pollution vulnerabilities

legacy Troubleshooting

Issue How to address the Client-side HTTP parameter pollution vulnerabilities Environment Liferay DXP 7.2 Resolution Encode the URLs or user input to avoid the HTTP parameter pollution vulnerabilities. Additional...

'flatten' parameter does not work for Knowledge Base Articles headless delivery API

legacy Troubleshooting

Issue When calling the KB Article headless-delivery API with the flatten parameter, the results are not flattened as expected. For example, if you have KB Articles and folders in this structure: root │ └─►Folder A │...

'Unable to determine GroupId' warning when upgrading to DXP

legacy Troubleshooting

Issue I'm encountering a warning like the following when upgrading from 6.2 to DXP 7.0 or higher: [main][UpgradeSubscription:108] Unable to determine the group ID for the class name...

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