The export function may not be working due to a discrepancy between the index and store data. In other words, the index may not reflect the reality of what's inside the volume store. For instance, this situation can arise if the volume store is moved elsewhere. To resolve this issue, it may be necessary to find the offending volume based on the date of the message in Configuration->Volumes, and click the Reindex button next to the volume in question. The volume index will be deleted. It will take a day or two for the index to be regenerated and reflect what is present in the store path.
When exporting data, the following error appears in the MailArchiva log file:
This error occurs because the selected locale contains language and not location info. To resolve this issue, click the Preferences menu at the top right. Select the client locale for your language and location (for example, German Germany). Then retry export.
On Linux, when exporting to PDF, the following error is outputted in the MailArchiva debug.log file:
The resolution is to install the Fontconfig package.
To install FontConfig on Debian-based platforms:
To install Fontconfig on RHEL/Fedora/CentOS machines: