importMetadata causes encoding issues when saving conf
Affected version
Version: 2.16.2
Summary
- Have an accent in config (such as a comment) in File storage
- import Edugain Metadata (https://metadata.federation.renater.fr/edugain/main/main-sps-edugain-metadata.xml)
- config gets double-encoded each time importMetadata is run, and ends up with a huge size
- "Wide character in print" message in stderr