Feature:install pax-war returns download error

Hi,

I am getting the following error on OpenHab 2.2’s Release Karaf console on Raspberry Pi. Is this normal?
openhab> feature:install pax-war
Error executing command: Error:
Error downloading mvn:org.ops4j.pax.web/pax-web-extender-war/6.0.7
Error downloading mvn:org.ops4j.pax.web/pax-web-descriptor/6.0.7
Error downloading mvn:org.ops4j.pax.url/pax-url-war/2.5.2/jar/uber
Error downloading mvn:org.ops4j.pax.web/pax-web-extender-whiteboard/6.0.7
Error downloading mvn:org.ops4j.pax.web/pax-web-deployer/6.0.7
openhab>