To upgrade from a previous version, see the following steps.

Backup Data

Configuration data are in the following files:

  • .fess_basic_config and .fess_user from Backup page(For more details, see Backup of Administration Guide)

  • in /etc/fess or app/WEB-INF/conf

  • in /etc/fess or app/WEB-INF/conf

Upgrade Package

Stop Fess and then install RPM/DEB package, see Installation in Installation Guide.

Fess 12 requires Elasticsearch 6.x, and indices for Fess 12 is not compatible with Fess 11.x. To upgrade to Elasticsearch 6, remove old indices and then upgrade Elasticsearch package. For Elasticsearch plugins, if you upgrade Elasticsearch, re-install all Elasticsearch plugins for the proper Elasticsearch version.

Restore Configuration

Check and merge settings in, and then start Fess.

For Fess 11, to restore data, upload .fess_basic_config.12 and .fess_user.12 bulk files on Backup page.

For Fess 12, execute migration process on Upgrade page. For more details, see Upgrade of Administration Guide.

Start Crawler

To create new search indices, start Default Crawler job on Scheduler page.