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"Going to buffer response body of large or unknown size" warning triggers
legacy Troubleshooting
Issue Why does the below warning trigger?  2021-08-18 20:14:27.334 WARN  [ajp-nio-8009-exec-795][HttpMethodBase:185] Going to buffer response body of large or unknown size. Using getResponseBodyAsStream instead is...
Liferay cluster works when truncating the crashed jgroupsping entries. Why does this happen?
legacy Troubleshooting
Issue When recreating the pod during the pod start-up stage, clustering doesn't work properly, and the below error triggers. But, the Liferay cluster works perfectly post restarting the pods by truncating the entries...
Data providers lead to NPEs during a DXP 7.0 to DXP 7.2 upgrade
legacy Troubleshooting
Issue A Data Provider configured in DXP 7.0 can lead to NullPointerExceptions when upgrading to DXP 7.2 Steps to reproduce: 1. Start Liferay DXP 7.0 server 2. Navigate to Forms -> Data Providers -> Add REST Data...
Log4j warnings after upgrading to Fix Pack 15
legacy Troubleshooting
Issue After upgrading Liferay DXP 7.2 to Fix Pack 15, the following warnings and error are printed in the logs on startup: log4j:WARN Continuable parsing error 3 and column 30 log4j:WARN Document root element...
During a two-way SSL handshake, an exception is thrown
legacy Troubleshooting
Issue During a two-way SSL handshake, the following exception occurs. javax.net.ssl|WARNING|DC|tomcat-http--46| EDT|SSLSocketImpl.java:1428|handling exception ( "throwable" : { java.lang.NullPointerException at...
Service Access Policy configuration file
legacy
Issue Users are unable to export and save the configurations set by the Service Access Policy. Steps to reproduce: 1) Start a clean bundle of Liferay DXP 7.2 2) Navigate to Control Panel -> Configuration -> Service...
Liferay fails to manage unique session and displays the mismatched data of the users
legacy Troubleshooting
Issue Liferay fails to manage unique sessions and displays the mismatched data of the users when using the below code ThemeDisplay td = (ThemeDisplay) renderRequest.getAttribute(WebKeys.THEME_DISPLAY); User user =...
Service "com.liferay.portal.kernel.messaging.DestinationFactory" is unavailable
legacy Troubleshooting
Issue What does this error mean? When it will occur? 2021-07-21 00: 02: 06.207 ERROR [ServerService Thread Pool - 111] [ServiceProxyFactory: 109] Service "com.liferay.portal.kernel.messaging.DestinationFactory" is...
Errors when executing upgrade process for com.liferay.exportimport.service
legacy Troubleshooting
Issue The ExportImport Service failed during the upgrade from Liferay 6.2 to DXP 7.2: ERROR - Failed upgrade process for module com.liferay.exportimport.service com.liferay.portal.kernel.upgrade.UpgradeException:...
How apply changes to Tomcat's server.xml file in Liferay PaaS
legacy How To
Note: please note that Liferay has renamed its Liferay Experience Could offerings to Liferay SaaS (formerly LXC) and Liferay PaaS (formerly LXC-SM). Issue I need to make some changes in Tomcat's server.xml...
The jgroupsping entries not getting deleted from table in Kubernetes environment
legacy Troubleshooting
Issue In case of using Kubernetes, you might encounter a problem in your cluster using JDBC_PING, as the entries from the jgroupsping table related to the shutdown pods are not getting deleted. Environment DXP 7.3+...
Upgrading from Fix Pack 1 to Fix Pack 2 in Liferay DXP 7.3, a NoSuchGroupException occurs
legacy Troubleshooting
Issue When upgrading from Fix Pack 1 to Fix Pack 2, issues with the control panel options arise, such as being unable to use the page building option and having no portlets visible on the home page. The console...
com.microsoft.sqlserver.jdbc.SQLServerException: The driver could not establish a secure connection to SQL Server by using Secure Sockets Layer (SSL) encryption
legacy Troubleshooting
Issue The server is down with the below exception. What does this error mean? ERROR [https-jsse-nio-8443-exec-144] [JDBCExceptionReporter: 234] The driver could not establish a secure connection to SQL Server by...
Application performance comparison between Unicast and Multicast configurations
legacy
Issue As per the business-specific requirement, modified the configurations by changing from default multicast with unicast clustering. While doing so, how the application performance will be impacted between Unicast...
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...
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...
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...
"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...