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What filtering syntax to use in headless API for filtering for those entries that do not belong to any categories?
Issue I am using the API GET /v1.0/asset-libraries/{assetLibraryId}/content-elements, but the question might be relevant for other endpoints as well according to https://learn.liferay.com/w/dxp/low-code/objects/understanding-object-integrations/using-custom-object-apis/object-api-basics...
StaleStateException Error During Startup with OpenID Connect Configuration
Issue During a Liferay DXP startup, the following error message appears in the logs, related to OpenID Connect provider configuration: ERROR [...][BatchingBatch:139] HHH000315: Exception executing batch [org.hibernate.StaleStateException: Batch update returned unexpected row count from...
Unable to add Information Templates after changing Default Language
Issue When only one language is available in Instance Settings > Localization and it is not "English (United States)", the Information Templates section under Design > Templates do not load. Environment Quarterly Release, 2024.Q4 Resolution Request for a hotfix containing LPD-56468. An...
How to Configure Liferay DXP Logs in JSON Format
Issue How can Liferay DXP be configured to generate logs in JSON format instead of the default plain text format? This is often required for integration with modern log aggregation and analysis tools. Environment Liferay DXP Resolution Liferay DXP uses Apache Log4j 2 for its logging...
Translated Object Field Values Not Displaying in Page SEO Meta Tags
Issue When using an Object with translatable fields for a page's SEO settings (e.g., HTML Title and Description), the translated values do not appear in the page's meta tags. For example, when viewing the page in Arabic, the meta tags in the page's source code still display the English...
Integrating Liferay as a Mobile App
Issue I want to export my Liferay web instance into an Single-Page-Application (SPA) or a standalone native mobile App. Environment Liferay DXP 7.4 Quarterly Releases Resolution Currently Liferay doesn't support out-of-the-box transition to Mobile Apps. The only available solution is to...
Liferay GET Requests are blocked during new Web Content Creation
Issue The Web Application Firewall blocks the Liferay GET requests, when the New Web Content Page is opened. The blocked endpoint is /o/dynamic-data-mapping-form-field-types. The GET request is blocked by having a Content-Type header.  Environment 2024.q1.17 Resolution Request a hotfix...
Workflow Task URL for Unauthorized User Returns 404 Instead of Login Page
Issue When an unauthorized user attempts to access a workflow task URL, they are shown a 404 error page instead of being redirected to the login page. This issue specifically occurs when the URL follows the /user/{screenName}/... pattern. Environment Liferay DXP 7.4 u84+ Resolution To...
Adaptive Media Processing of GIFs Leads to High Disk Usage in Temp Folder
Issue When using Adaptive Media, the tomcat/temp directory grows significantly, consuming a large amount of disk space.  The following error can be seen repeatedly in the logs: Unable to scale file entry <ID> to match adaptive media configuration <NAME> Environment Liferay DXP 7.4 and...
aria-invalid="true" Attribute is Not Set for Required Checkbox Fields in Forms
Issue When a form with a required checkbox field is submitted without the checkbox being selected, the corresponding <input> element in the DOM does not receive the aria-invalid="true" attribute. This behavior is perceived as an accessibility issue, especially when compared to other...
HTTP 403 when accessing headless admin taxonomy API
Issue 403 Forbidden error when accessing the following Headless API: GET /o/headless-admin-taxonomy/v1.0/taxonomy-vocabularies/{VocabularyID}/taxonomy-categories Environment Liferay DXP 2025.Q2 Resolution Go to the Control Panel > Security > Service Access Policy Create new Service...
Admin calendar is not responding when creating an event and/or hitting the publish button
Issue The admin calendar is not functioning as expected after upgrading. It isn't able to successfully create events and populates the following error on the console: Uncaught ReferenceError:_com_liferay_calendar_web_portlet_CalendarPortlet_INSTANCE_xxxxxxx_updateCalendarBooking is not...
Site Scope is Not Available in Data Migration Tool and Other Site-Scoped Menus
Issue When using the Data Migration tool to import entries into a site-scoped Object, the "Scope" dropdown only displays the "Global" option. A similar behavior is observed in other areas, such as when editing a Search Blueprint. The "Select Site" dropdown also only shows "Global",...
Unauthenticated Users are not redirected to the Login Page when accessing a Resource URL
Issue When an unauthenticated user tries to access a resource URL (e.g., a direct link to a PDF served by a portlet), they are not redirected to the login page. This behavior is observed for URLs that contain the p_p_lifecycle=2 parameter, which corresponds to the Resource Serving Phase...
How to Attach a File from a Form Submission to the Notification Email
Issue When a user uploads a file through a Liferay Legacy Form, the notification email is sent, but the uploaded file is not included as an attachment. Is there a way to include a file uploaded through a Liferay Form as an attachment in the notification email? Environment Liferay DXP...
OAuth2 Token sometimes gets 401 response
Issue Sometimes users are unable to log in because their OAuth2 tokens receive a 401 "Unauthorized" response. This seems to happen randomly, and the tokens should be valid. Environment Liferay DXP Resolution OAuth2 token authorization may fail if the token issue timestamp is slightly...
How to set up a "maintenance" page in a PaaS non-prod environment
Issue I would like to use the maintenance page feature described at https://learn.liferay.com/w/dxp/cloud/support-and-troubleshooting/troubleshooting-tools-and-resources/maintenance-and-downtime and I would like to first try it in my PaaS dev environment. However, in the dev environment...
Last Login Date is not updated in the User's and Organizations Menu
Issue The Last Login Date displayed in the Users and Organizations UI is not updating accurately. Even after a user logs in, the date remains unchanged. Environment Liferay DXP 2024.Q4+ Resolution Enable Feature Flag LPD-36010 Maintaining a real-time index on the Last Login Date was...
Where can I find the BrowserSnifferUtil.java class?
Issue After upgrading from 2023.Q3 to 2025.Q1, I can no longer find the com.liferay.portal.kernel.util.BrowserSnifferUtil class? Was it moved or deprecated? Environment Liferay DXP 2023.Q4+ Resolution In Liferay DXP Version earlier than 2023.Q4 the BrowserSnifferUtil class was located...
Email Notification fails to deliver when recipient type is set to the Owner role
Issue A trigger on a custom object is configured to send an email, but it fails to deliver it when the recipient type is set to Owner. Environment Liferay DXP 2025.Q1 Resolution This is an known issue on this version of Liferay that is fixed by LPD-60073. Please upgrade to a fixed...

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