Hi,
I do see this error below intermittently on startup of Karaf. The artifact is already available in the system-folder but still it seems that it is being tried to resolved externally? This is not bound to the spring feature mentioned in the stacktrace but fails with whatever is the first feature mentioned in the "org.apache.karaf.features" as "featuresRepositories". Does anybody has an idea what could cause this? As said this is intermittently and 9 of 10 startups do succeed. Thanks in advance. Cheers, Philipp 2016-08-09T09:04:01,842 | ERROR | | | | | | pool-9-thread-1 | org.apache.karaf.features.internal.service.BootFeaturesInstaller | | Error installing boot feature repository mvn:org.apache.karaf.features/spring/4.0.5/xml/features java.io.IOException: Error resolving artifact org.apache.karaf.features:spring:xml:features:4.0.5: Could not transfer artifact org.apache.karaf.features:spring:xml:features:4.0.5 from/to central (http://repo1.maven.org/maven2/): Connection pool shut down : mvn:org.apache.karaf.features/spring/4.0.5/xml/features at org.apache.karaf.features.internal.service.RepositoryImpl.load(RepositoryImpl.java:96) [8:org.apache.karaf.features.core:4.0.5] at org.apache.karaf.features.internal.service.FeaturesServiceImpl.loadRepository(FeaturesServiceImpl.java:436) [8:org.apache.karaf.features.core:4.0.5] at org.apache.karaf.features.internal.service.FeaturesServiceImpl.addRepository(FeaturesServiceImpl.java:456) [8:org.apache.karaf.features.core:4.0.5] at org.apache.karaf.features.internal.service.FeaturesServiceImpl.addRepository(FeaturesServiceImpl.java:447) [8:org.apache.karaf.features.core:4.0.5] at org.apache.karaf.features.internal.service.BootFeaturesInstaller.installBootFeatures(BootFeaturesInstaller.java:103) [8:org.apache.karaf.features.core:4.0.5] at org.apache.karaf.features.internal.service.BootFeaturesInstaller.start(BootFeaturesInstaller.java:92) [8:org.apache.karaf.features.core:4.0.5] at org.apache.karaf.features.internal.osgi.Activator.doStart(Activator.java:259) [8:org.apache.karaf.features.core:4.0.5] at org.apache.karaf.util.tracker.BaseActivator.run(BaseActivator.java:233) [8:org.apache.karaf.features.core:4.0.5] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:?] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:?] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:?] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:?] at java.lang.Thread.run(Thread.java:745) [?:?] Caused by: java.io.IOException: Error resolving artifact org.apache.karaf.features:spring:xml:features:4.0.5: Could not transfer artifact org.apache.karaf.features:spring:xml:features:4.0.5 from/to central (http://repo1.maven.org/maven2/): Connection pool shut down at org.ops4j.pax.url.mvn.internal.AetherBasedResolver.resolve(AetherBasedResolver.java:661) ~[?:?] at org.ops4j.pax.url.mvn.internal.AetherBasedResolver.resolve(AetherBasedResolver.java:598) ~[?:?] at org.ops4j.pax.url.mvn.internal.AetherBasedResolver.resolve(AetherBasedResolver.java:576) ~[?:?] at org.ops4j.pax.url.mvn.internal.AetherBasedResolver.resolve(AetherBasedResolver.java:550) ~[?:?] at org.ops4j.pax.url.mvn.internal.Connection.getInputStream(Connection.java:123) ~[?:?] at java.net.URL.openStream(URL.java:1045) ~[?:?] at org.apache.karaf.features.internal.service.RepositoryImpl.load(RepositoryImpl.java:91) ~[?:?] ... 12 more
