karaf 4.3.3 install error

gistfile1.txt

  Apache Karaf (4.3.3)

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and '[cmd] --help' for help on a specific command.
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karaf@root()> feature:repo-add mvn:no.priv.bang.demos/frontend-karaf-demo/LATEST/xml/features
Adding feature url mvn:no.priv.bang.demos/frontend-karaf-demo/LATEST/xml/features
karaf@root()> feature:install frontend-karaf-demo
org.apache.karaf.features.internal.util.MultiException: Error:
	Error downloading mvn:org.apache.karaf.scr/org.apache.karaf.scr.management/4.3.3
	at org.apache.karaf.features.internal.download.impl.MavenDownloadManager$MavenDownloader.<init>(MavenDownloadManager.java:91)
	at org.apache.karaf.features.internal.download.impl.MavenDownloadManager.createDownloader(MavenDownloadManager.java:72)
	at org.apache.karaf.features.internal.region.Subsystem.downloadBundles(Subsystem.java:457)
	at org.apache.karaf.features.internal.region.Subsystem.downloadBundles(Subsystem.java:452)
	at org.apache.karaf.features.internal.region.Subsystem.downloadBundles(Subsystem.java:452)
	at org.apache.karaf.features.internal.region.SubsystemResolver.resolve(SubsystemResolver.java:224)
	at org.apache.karaf.features.internal.service.Deployer.deploy(Deployer.java:399)
	at org.apache.karaf.features.internal.service.FeaturesServiceImpl.doProvision(FeaturesServiceImpl.java:1069)
	at org.apache.karaf.features.internal.service.FeaturesServiceImpl.lambda$doProvisionInThread$13(FeaturesServiceImpl.java:1004)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	at java.base/java.lang.Thread.run(Thread.java:829)
	Suppressed: java.io.IOException: Error downloading mvn:org.apache.karaf.scr/org.apache.karaf.scr.management/4.3.3
		at org.apache.karaf.features.internal.download.impl.AbstractRetryableDownloadTask.run(AbstractRetryableDownloadTask.java:77)
		at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
		at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
		at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
		... 3 more
	Caused by: java.io.IOException: Error resolving artifact org.apache.karaf.scr:org.apache.karaf.scr.management:jar:4.3.3: [Could not find artifact org.apache.karaf.scr:org.apache.karaf.scr.management:jar:4.3.3 in central (https://repo1.maven.org/maven2/)]
		at org.ops4j.pax.url.mvn.internal.AetherBasedResolver.configureIOException(AetherBasedResolver.java:803)
		at org.ops4j.pax.url.mvn.internal.AetherBasedResolver.resolve(AetherBasedResolver.java:774)
		at org.ops4j.pax.url.mvn.internal.AetherBasedResolver.resolve(AetherBasedResolver.java:657)
		at org.ops4j.pax.url.mvn.internal.AetherBasedResolver.resolve(AetherBasedResolver.java:598)
		at org.ops4j.pax.url.mvn.internal.AetherBasedResolver.resolve(AetherBasedResolver.java:565)
		at org.apache.karaf.features.internal.download.impl.MavenDownloadTask.download(MavenDownloadTask.java:52)
		at org.apache.karaf.features.internal.download.impl.AbstractRetryableDownloadTask.run(AbstractRetryableDownloadTask.java:60)
		... 6 more
		Suppressed: shaded.org.eclipse.aether.transfer.ArtifactNotFoundException: Could not find artifact org.apache.karaf.scr:org.apache.karaf.scr.management:jar:4.3.3 in central (https://repo1.maven.org/maven2/)
			at shaded.org.eclipse.aether.connector.basic.ArtifactTransportListener.transferFailed(ArtifactTransportListener.java:48)
			at shaded.org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run(BasicRepositoryConnector.java:368)
			at shaded.org.eclipse.aether.util.concurrency.RunnableErrorForwarder$1.run(RunnableErrorForwarder.java:75)
			at shaded.org.eclipse.aether.connector.basic.BasicRepositoryConnector$DirectExecutor.execute(BasicRepositoryConnector.java:642)
			at shaded.org.eclipse.aether.connector.basic.BasicRepositoryConnector.get(BasicRepositoryConnector.java:262)
			at shaded.org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads(DefaultArtifactResolver.java:489)
			at shaded.org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:390)
			at shaded.org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts(DefaultArtifactResolver.java:215)
			at shaded.org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifact(DefaultArtifactResolver.java:192)
			at shaded.org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveArtifact(DefaultRepositorySystem.java:247)
			at org.ops4j.pax.url.mvn.internal.AetherBasedResolver.resolve(AetherBasedResolver.java:767)
			... 11 more
	Caused by: shaded.org.eclipse.aether.resolution.ArtifactResolutionException: Error resolving artifact org.apache.karaf.scr:org.apache.karaf.scr.management:jar:4.3.3
		at shaded.org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:413)
		at shaded.org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts(DefaultArtifactResolver.java:215)
		at shaded.org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifact(DefaultArtifactResolver.java:192)
		at shaded.org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveArtifact(DefaultRepositorySystem.java:247)
		at org.ops4j.pax.url.mvn.internal.AetherBasedResolver.resolve(AetherBasedResolver.java:767)
		... 11 more
Error executing command: Error:
	Error downloading mvn:org.apache.karaf.scr/org.apache.karaf.scr.management/4.3.3
karaf@root()>