karaf@root()> features:install hibernate-validator-paranamer
Error executing command: Error:
	Error downloading mvn:com.thoughtworks.paranamer:paranamer:2.8
	Error downloading mvn:com.thoughtworks.paranamer:paranamer:2.8

14:31:43.866 INFO [pipe-feature:install $args] Adding features: hibernate-validator-paranamer/[5.3.4.Final,5.3.4.Final]
14:33:39.324 ERROR [Karaf local console user karaf] Exception caught while executing command
org.apache.karaf.features.internal.util.MultiException: Error:
	Error downloading mvn:com.thoughtworks.paranamer:paranamer:2.8
	Error downloading mvn:com.thoughtworks.paranamer:paranamer:2.8
	at org.apache.karaf.features.internal.download.impl.MavenDownloadManager$MavenDownloader.<init>(MavenDownloadManager.java:91) ~[?:?]
	at org.apache.karaf.features.internal.download.impl.MavenDownloadManager.createDownloader(MavenDownloadManager.java:72) ~[?:?]
	at org.apache.karaf.features.internal.region.Subsystem.downloadBundles(Subsystem.java:451) ~[?:?]
	at org.apache.karaf.features.internal.region.Subsystem.downloadBundles(Subsystem.java:446) ~[?:?]
	at org.apache.karaf.features.internal.region.SubsystemResolver.resolve(SubsystemResolver.java:215) ~[?:?]
	at org.apache.karaf.features.internal.service.Deployer.deploy(Deployer.java:385) ~[?:?]
	at org.apache.karaf.features.internal.service.FeaturesServiceImpl.doProvision(FeaturesServiceImpl.java:1024) ~[?:?]
	at org.apache.karaf.features.internal.service.FeaturesServiceImpl.lambda$doProvisionInThread$13(FeaturesServiceImpl.java:964) ~[?:?]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:?]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[?:?]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[?:?]
	at java.lang.Thread.run(Thread.java:748) [?:?]
	Suppressed: java.io.IOException: Error downloading mvn:com.thoughtworks.paranamer:paranamer:2.8
		at org.apache.karaf.features.internal.download.impl.AbstractRetryableDownloadTask.run(AbstractRetryableDownloadTask.java:77) ~[?:?]
		at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:?]
		at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:?]
		at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) ~[?:?]
		at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) ~[?:?]
		at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[?:?]
		at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[?:?]
		at java.lang.Thread.run(Thread.java:748) [?:?]
	Caused by: java.net.MalformedURLException: Invalid path. Syntax mvn:[repository_url!]groupId/artifactId[/[version]/[type]]
		at org.ops4j.pax.url.mvn.internal.Parser.parseArtifactPart(Parser.java:168) ~[?:?]
		at org.ops4j.pax.url.mvn.internal.Parser.<init>(Parser.java:151) ~[?:?]
		at org.ops4j.pax.url.mvn.internal.AetherBasedResolver.resolve(AetherBasedResolver.java:566) ~[?:?]
		at org.apache.karaf.features.internal.download.impl.MavenDownloadTask.download(MavenDownloadTask.java:47) ~[?:?]
		at org.apache.karaf.features.internal.download.impl.AbstractRetryableDownloadTask.run(AbstractRetryableDownloadTask.java:60) ~[?:?]
		... 7 more