Upgrade to scr bnd plugin that places the metatype files in the correct location
<dependency>
<groupId>org.apache.felix</groupId>
<artifactId>org.apache.felix.scr.bnd</artifactId>
- <version>1.7.2</version>
+ <version>1.9.0</version>
<exclusions>
<!--
This SCR plugin pulls in a bnd version with a different artifactId, thus leading
