Here is the access to the knowledge base maintained by the Support team. Data published here does not replace the documentation of this website but enriches it. Please take the time to test any answers on a development platform first.
I recently installed jExperience but I am getting an error in the UI every time I try to add a personalization: Cannot contact remote server: error 500...
NullPointerException during upgrade
Not able to upgrade Jahia. Here is the error when applying fix java.lang.NullPointerException at java.util.TreeMap.getEntry(Unknown Source) at java.util.TreeMap.containsKey(Unknown...
Restarting Jahia instance after upgrade
Is it necessary to restart Jahia instance every each upgrade?
Unable to persist bundle from resource error
The logs show errors with bundle persistence, this might happen especially after an upgrade. Below is an example log entry: ERROR [ModuleUtils] - Unable...
Upgrade fails (build number does not match)
Upgrade fails with ERROR: detected installed build number does not match fix build number!
Upgrade fails (build number does not match)
Upgrade fails with ERROR: detected installed build number does not match fix build number!
jExperience not starting after an upgrade
After upgrading jExperience from 1.11.0 to 1.11.3, we can see such messages in the logs: 2020-12-07 18:13:15,091: ERROR [configadmin] - Cannot use configuration...
java.lang.LinkageError: loader constraint violation for class - Error after updating my custom module and Jahia to a newer JDK
I am migrating my Jahia to a newer JDK 11 version. I had to update some dependencies and plugins in my custom module to get libraries versions compatible...
Tomcat Upgrade Documentation
Overview Keeping your Tomcat instance up-to-date is critical for maintaining a secure and optimized environment. This document provides comprehensive instructions...