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Using JSONFactoryUtil.looseDeserialize method deserilizes to HashMap instead of my class.
legacy Troubleshooting
Issue We have a WAR portlet that uses JSONFactoryUtil.looseDeserialize method. Also, our class is defined as whitelisted. See following: json.deserialization.whitelist.class.names=\...
Getting com.mysql.cj.jdbc.exceptions.CommunicationsException on server startup
legacy Troubleshooting
Issue User gets below error on server startup/restart: ERROR [main][DialectDetector:147] com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure__The last packet sent successfully to the...
Create custom notification module
legacy Troubleshooting
Issue Unable to get notification over UI even after adding entry in usernotificationevent table through UserNotificationEvent API. Environment Liferay DXP 7.2 Resolution Even after adding entry in...
"Your request failed to complete" error is displayed on the user interface but there is no more information about it
legacy Troubleshooting
Issue If there is an unexpected error, sometimes a "Your request failed to complete" error is displayed on the user interface, but no additional information is given. How can I get more information on this error?...
How can I manually force the generation of document thumbnails?
legacy How To
Issue It is necessary to regenerate all thumbnails of the documents in documents and media. After executing "Reset preview and thumbnail file for Documents and Media" in the server administration section, the thumbnails...
NullPointerException in service builder methods after upgrade to DXP 7.3
legacy Troubleshooting
Issue After upgrading the portal to DXP 7.3, the following stack trace in some custom modules is reported: Caused by: java.lang.NullPointerException at...
Known Issue [Resolved]: Staging publications in the Global site fail due to duplicate categories after upgrade to 7.3 or 7.4
legacy Troubleshooting
Issue After upgrading our 7.0 bundle (where we had some categories in the Global site used for various assets) to 7.3, the vocabularies look to be duplicated in the post-upgrade environment (one list that cannot be...
Fetching the web contents with the "Accept-Language" header returns different languages
legacy
Issue Fetching the web contents using the headless API with the "Accept-Language" header returns the selected language variation if there is a translation for it, but otherwise, it returns the default...