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Emails are not sent and MailMessageListener warnings appear on logs
Troubleshooting
Issue Emails are not sent and some MailMessageListener warn traces are written to the log file: [liferay/mail-1][MailMessageListener:135] Email test@domain.invalid will be ignored because it is included in...
Service builder does not respect service.xml setting json-enabled
legacy Troubleshooting
Issue The json-enabled value specifies whether or not the entity should be annotated for JSON serialization. By default, if the remote-service value is true, then the json-enabled value is true. When setting this...
A StaleObjectStateException is Thrown When Using a Liferay Service
legacy Troubleshooting
Issue After installing Liferay DXP 7.2 Service Pack 1 or Fix Pack 2 a StaleObjectStateException is generated when a customization uses a Liferay service to update or modify data: Caused by:...
ClientAbortException is thrown while navigating from one page to another
legacy Troubleshooting
Issue While navigating from one page to another, the following warning messages are thrown.  WARN [http-nio-8080-exec-4][PortalImpl:6751] org.apache.catalina.connector.ClientAbortException:...
How can I include my JSP in a Liferay Blade Servlet?
legacy Troubleshooting
Issue I'd like to include a JSP in the doGet method of my Servlet plugin. The following gives NullPointerException:  this.getServletContext().getRequestDispatcher("index.jsp").include(httpServletRequest,...
Upgrade from 6.2 to DXP fails with IBM-specific AESSecretKey error
legacy Troubleshooting
Issue Upgrade from 6.2 to DXP fails with IBM-specific AESSecretKey error, when a user was using IBM JDK for the 6.2 environment....
Update to DXP 7.2 Fix Pack 4 from DXP 7.2 GA1
legacy Troubleshooting
Issue When updating from DXP 7.2 GA1 to Fix Pack 4 you may encounter the following startup error: 2020-01-31 02:55:02.013 ERROR [Framework Event Dispatcher: Equinox Container:...
How to automatically log thread dumps when the portal is too slow in Liferay?
legacy How To
Issue How to automatically generate thread dumps when the portal is slow? Environment Liferay Portal 6.2 Liferay DXP 7.0,7.1,7.2,7.3, and  7.4 Resolution Liferay has provided the below two properties which...