FIRST: <Private-Package>org.apache.util.tracker*/Private-Package> has no effect in circlead-core-provider and not put the karaf-classes into the jar. I missed again the need classes in the jar. Did i something wrong with your hint?
SECOND: This is not the reason for the error. I find out that i set the configuration wrong, see https://github.com/matthiaw/karaf-command-trial/commit/648b9260d6881af527d82f120c86da1ba8e8e48c#diff-19fa206e288f16bcf4616c9157f67511. So now the error is gone. THIRD: Now i get another error in feature:install because of missing maven-metadata.xml. Any idea how i can avoid that ? feature:install circlead-core-provider org.apache.karaf.features.internal.util.MultiException: Error: Error downloading mvn:org.rogatio.circlead.sunray/circlead-core-provider-0.0.1 at org.apache.karaf.features.internal.download.impl.MavenDownloadManager$MavenDownloader.<init>(MavenDownloadManager.java:91) at org.apache.karaf.features.internal.download.impl.MavenDownloadManager.createDownloader(MavenDownloadManager.java:72) at org.apache.karaf.features.internal.region.Subsystem.downloadBundles(Subsystem.java:457) at org.apache.karaf.features.internal.region.Subsystem.downloadBundles(Subsystem.java:452) at org.apache.karaf.features.internal.region.SubsystemResolver.resolve(SubsystemResolver.java:224) at org.apache.karaf.features.internal.service.Deployer.deploy(Deployer.java:388) at org.apache.karaf.features.internal.service.FeaturesServiceImpl.doProvision(FeaturesServiceImpl.java:1058) at org.apache.karaf.features.internal.service.FeaturesServiceImpl.lambda$doProvisionInThread$13(FeaturesServiceImpl.java:994) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) at java.base/java.lang.Thread.run(Thread.java:834) Suppressed: java.io.IOException: Error downloading mvn:org.rogatio.circlead.sunray/circlead-core-provider-0.0.1 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.rogatio.circlead.sunray:circlead-core-provider-0.0.1:jar:[0.0,): [Could not find metadata org.rogatio.circlead.sunray:circlead-core-provider-0.0.1/maven-metadata.xml in local (/home/matthias/.m2/repository), Could not find metadata org.rogatio.circlead.sunray:circlead-core-provider-0.0.1/maven-metadata.xml in central (http://repo1.maven.org/maven2/), Could not find metadata org.rogatio.circlead.sunray:circlead-core-provider-0.0.1/maven-metadata.xml in apache (http://repository.apache.org/content/groups/snapshots-group/), Could not find metadata org.rogatio.circlead.sunray:circlead-core-provider-0.0.1/maven-metadata.xml in ops4j.sonatype.snapshots.deploy (https://oss.sonatype.org/content/repositories/ops4j-snapshots/)] at org.ops4j.pax.url.mvn.internal.AetherBasedResolver.configureIOException(AetherBasedResolver.java:803) at org.ops4j.pax.url.mvn.internal.AetherBasedResolver.resolve(AetherBasedResolver.java:780) 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.MetadataNotFoundException: Could not find metadata org.rogatio.circlead.sunray:circlead-core-provider-0.0.1/maven-metadata.xml in local (/home/matthias/.m2/repository) at shaded.org.eclipse.aether.internal.impl.DefaultMetadataResolver.resolve(DefaultMetadataResolver.java:220) at shaded.org.eclipse.aether.internal.impl.DefaultMetadataResolver.resolveMetadata(DefaultMetadataResolver.java:178) at shaded.org.apache.maven.repository.internal.DefaultVersionRangeResolver.getVersions(DefaultVersionRangeResolver.java:198) at shaded.org.apache.maven.repository.internal.DefaultVersionRangeResolver.resolveVersionRange(DefaultVersionRangeResolver.java:148) at shaded.org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveVersionRange(DefaultRepositorySystem.java:232) at org.ops4j.pax.url.mvn.internal.AetherBasedResolver.resolveLatestVersionRange(AetherBasedResolver.java:1060) at org.ops4j.pax.url.mvn.internal.AetherBasedResolver.resolve(AetherBasedResolver.java:765) ... 11 more Suppressed: shaded.org.eclipse.aether.transfer.MetadataNotFoundException: Could not find metadata org.rogatio.circlead.sunray:circlead-core-provider-0.0.1/maven-metadata.xml in central (http://repo1.maven.org/maven2/) at shaded.org.eclipse.aether.connector.basic.MetadataTransportListener.transferFailed(MetadataTransportListener.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:235) at shaded.org.eclipse.aether.internal.impl.DefaultMetadataResolver$ResolveTask.run(DefaultMetadataResolver.java:580) at shaded.org.eclipse.aether.util.concurrency.RunnableErrorForwarder$1.run(RunnableErrorForwarder.java:75) ... 3 more Suppressed: shaded.org.eclipse.aether.transfer.MetadataNotFoundException: Could not find metadata org.rogatio.circlead.sunray:circlead-core-provider-0.0.1/maven-metadata.xml in apache (http://repository.apache.org/content/groups/snapshots-group/) at shaded.org.eclipse.aether.connector.basic.MetadataTransportListener.transferFailed(MetadataTransportListener.java:48) at shaded.org.eclipse.aether.connector.basic.BasicRepositoryConnector$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:235) at shaded.org.eclipse.aether.internal.impl.DefaultMetadataResolver$ResolveTask.run(DefaultMetadataResolver.java:580) at shaded.org.eclipse.aether.util.concurrency.RunnableErrorForwarder$1.run(RunnableErrorForwarder.java:75) ... 3 more Suppressed: shaded.org.eclipse.aether.transfer.MetadataNotFoundException: Could not find metadata org.rogatio.circlead.sunray:circlead-core-provider-0.0.1/maven-metadata.xml in ops4j.sonatype.snapshots.deploy (https://oss.sonatype.org/content/repositories/ops4j-snapshots/) at shaded.org.eclipse.aether.connector.basic.MetadataTransportListener.transferFailed(MetadataTransportListener.java:48) at shaded.org.eclipse.aether.connector.basic.BasicRepositoryConnector$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:235) at shaded.org.eclipse.aether.internal.impl.DefaultMetadataResolver$ResolveTask.run(DefaultMetadataResolver.java:580) at shaded.org.eclipse.aether.util.concurrency.RunnableErrorForwarder$1.run(RunnableErrorForwarder.java:75) ... 3 more Caused by: shaded.org.eclipse.aether.resolution.VersionRangeResolutionException: Error resolving artifact org.rogatio.circlead.sunray:circlead-core-provider-0.0.1:jar:[0.0,) at org.ops4j.pax.url.mvn.internal.AetherBasedResolver.resolveLatestVersionRange(AetherBasedResolver.java:1068) at org.ops4j.pax.url.mvn.internal.AetherBasedResolver.resolve(AetherBasedResolver.java:765) ... 11 more -- Sent from: http://karaf.922171.n3.nabble.com/Karaf-Dev-f930721.html