[ 
https://issues.apache.org/jira/browse/WAGON-463?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Bert Koorengevel updated WAGON-463:
-----------------------------------
    Description: 
Using Apache Maven 3.3.9 (bb52d8502b132ec0a5a3f4c09453c07478323dc5; 
2015-11-10T17:41:47+01:00) of which I don't know what the Wagon version is 
(probably depends on the plugin)

In our organisation https://repo.maven.apache.org is unreachable behind a 
proxy, but there is an Artifactory instance that serves as a mirror. So in the 
/conf/settings.xml we specify a repository with id = central and the url of our 
Artifactory instance:
{noformat}
  <profiles>
    <profile>
      <id>artifactory</id>
      <repositories>
        <repository>
          <snapshots>
            <enabled>false</enabled>
          </snapshots>
          <id>central</id>
          <name>libs-release</name>
          <url>https://ourserver.intranet/artifactory/libs-release</url>
        </repository>
      </repositories>
      <pluginRepositories>
        <pluginRepository>
          <snapshots>
            <enabled>false</enabled>
          </snapshots>
          <id>central</id>
          <name>plugins-release</name>
          <url>https://ourserver.intranet/artifactory/plugins-release</url>
        </pluginRepository>
      </pluginRepositories>
    </profile>
  </profiles>
  <activeProfiles>
    <activeProfile>artifactory</activeProfile>
  </activeProfiles>
{noformat}

This works fine.... except for one project that has a dependency with 
org.hibernate:hibernate-validator:jar:5.2.4.Final
I suspect what triggers the error is an odd dependency scope. In 
hibernate-validator-parent-5.2.4.Final.pom the dependency to 
org.jboss.arquillian:arquillian-bom is set with scope 'import'.

Here's a pom.xml to reproduce the issue:
{noformat}
<?xml version="1.0" encoding="UTF-8"?>
<project>
    <!-- This is the Maven Model version which MUST be 4.0.0 !!! -->
    <modelVersion>4.0.0</modelVersion>
    <groupId>foobar</groupId>
    <artifactId>foobar</artifactId>
    <version>0.0</version>
    <dependencies>
        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-validator</artifactId>
            <version>5.2.4.Final</version>
        </dependency>
    </dependencies>
</project>
{noformat}

Remove the folder org.jboss from your local repository, then run 'mvn 
initialize'. My output:
{noformat}
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building foobar 0.0
[INFO] ------------------------------------------------------------------------
Downloading: 
https://ourserver.intranet/artifactory/libs-release/org/jboss/arquillian/arquillian-bom/1.1.9.Final/arquillian-bom-1.1.9.Final.pom
Downloaded: 
https://ourserver.intranet/artifactory/libs-release/org/jboss/arquillian/arquillian-bom/1.1.9.Final/arquillian-bom-1.1.9.Final.pom
 (11 KB at 30.2 KB/sec)
Downloading: 
https://repo.maven.apache.org/maven2/org/jboss/shrinkwrap/shrinkwrap-bom/1.2.2/shrinkwrap-bom-1.2.2.pom
Downloading: 
https://repo.maven.apache.org/maven2/org/jboss/shrinkwrap/resolver/shrinkwrap-resolver-bom/2.1.1/shrinkwrap-resolver-bom-2.1.1.pom
Downloading: 
https://repo.maven.apache.org/maven2/org/jboss/shrinkwrap/descriptors/shrinkwrap-descriptors-bom/2.0.0-alpha-7/shrinkwrap-descriptors-bom-2.0.0-alpha-7.pom
{noformat}

You can see that the first transfer of arquillian-bom-1.1.9.Final.pom is 
fetched from our own server and goes fine. The further BOMs are not downloaded 
through the URL you'd expect, but from the default URL.

Full log when ran with -X:

{noformat}
Apache Maven 3.3.9 (bb52d8502b132ec0a5a3f4c09453c07478323dc5; 
2015-11-10T17:41:47+01:00)
Maven home: C:\Program Files\Maven
Java version: 1.8.0_92, vendor: Oracle Corporation
Java home: C:\Program Files\Java\jdk1.8.0_92\jre
Default locale: en_US, platform encoding: Cp1252
OS name: "windows 7", version: "6.1", arch: "amd64", family: "dos"
[DEBUG] Created new class realm maven.api
[DEBUG] Importing foreign packages into class realm maven.api
[DEBUG]   Imported: javax.enterprise.inject.* < plexus.core
[DEBUG]   Imported: javax.enterprise.util.* < plexus.core
[DEBUG]   Imported: javax.inject.* < plexus.core
[DEBUG]   Imported: org.apache.maven.* < plexus.core
[DEBUG]   Imported: org.apache.maven.artifact < plexus.core
[DEBUG]   Imported: org.apache.maven.classrealm < plexus.core
[DEBUG]   Imported: org.apache.maven.cli < plexus.core
[DEBUG]   Imported: org.apache.maven.configuration < plexus.core
[DEBUG]   Imported: org.apache.maven.exception < plexus.core
[DEBUG]   Imported: org.apache.maven.execution < plexus.core
[DEBUG]   Imported: org.apache.maven.execution.scope < plexus.core
[DEBUG]   Imported: org.apache.maven.lifecycle < plexus.core
[DEBUG]   Imported: org.apache.maven.model < plexus.core
[DEBUG]   Imported: org.apache.maven.monitor < plexus.core
[DEBUG]   Imported: org.apache.maven.plugin < plexus.core
[DEBUG]   Imported: org.apache.maven.profiles < plexus.core
[DEBUG]   Imported: org.apache.maven.project < plexus.core
[DEBUG]   Imported: org.apache.maven.reporting < plexus.core
[DEBUG]   Imported: org.apache.maven.repository < plexus.core
[DEBUG]   Imported: org.apache.maven.rtinfo < plexus.core
[DEBUG]   Imported: org.apache.maven.settings < plexus.core
[DEBUG]   Imported: org.apache.maven.toolchain < plexus.core
[DEBUG]   Imported: org.apache.maven.usability < plexus.core
[DEBUG]   Imported: org.apache.maven.wagon.* < plexus.core
[DEBUG]   Imported: org.apache.maven.wagon.authentication < plexus.core
[DEBUG]   Imported: org.apache.maven.wagon.authorization < plexus.core
[DEBUG]   Imported: org.apache.maven.wagon.events < plexus.core
[DEBUG]   Imported: org.apache.maven.wagon.observers < plexus.core
[DEBUG]   Imported: org.apache.maven.wagon.proxy < plexus.core
[DEBUG]   Imported: org.apache.maven.wagon.repository < plexus.core
[DEBUG]   Imported: org.apache.maven.wagon.resource < plexus.core
[DEBUG]   Imported: org.codehaus.classworlds < plexus.core
[DEBUG]   Imported: org.codehaus.plexus.* < plexus.core
[DEBUG]   Imported: org.codehaus.plexus.classworlds < plexus.core
[DEBUG]   Imported: org.codehaus.plexus.component < plexus.core
[DEBUG]   Imported: org.codehaus.plexus.configuration < plexus.core
[DEBUG]   Imported: org.codehaus.plexus.container < plexus.core
[DEBUG]   Imported: org.codehaus.plexus.context < plexus.core
[DEBUG]   Imported: org.codehaus.plexus.lifecycle < plexus.core
[DEBUG]   Imported: org.codehaus.plexus.logging < plexus.core
[DEBUG]   Imported: org.codehaus.plexus.personality < plexus.core
[DEBUG]   Imported: org.codehaus.plexus.util.xml.Xpp3Dom < plexus.core
[DEBUG]   Imported: org.codehaus.plexus.util.xml.pull.XmlPullParser < 
plexus.core
[DEBUG]   Imported: org.codehaus.plexus.util.xml.pull.XmlPullParserException < 
plexus.core
[DEBUG]   Imported: org.codehaus.plexus.util.xml.pull.XmlSerializer < 
plexus.core
[DEBUG]   Imported: org.eclipse.aether.* < plexus.core
[DEBUG]   Imported: org.eclipse.aether.artifact < plexus.core
[DEBUG]   Imported: org.eclipse.aether.collection < plexus.core
[DEBUG]   Imported: org.eclipse.aether.deployment < plexus.core
[DEBUG]   Imported: org.eclipse.aether.graph < plexus.core
[DEBUG]   Imported: org.eclipse.aether.impl < plexus.core
[DEBUG]   Imported: org.eclipse.aether.installation < plexus.core
[DEBUG]   Imported: org.eclipse.aether.internal.impl < plexus.core
[DEBUG]   Imported: org.eclipse.aether.metadata < plexus.core
[DEBUG]   Imported: org.eclipse.aether.repository < plexus.core
[DEBUG]   Imported: org.eclipse.aether.resolution < plexus.core
[DEBUG]   Imported: org.eclipse.aether.spi < plexus.core
[DEBUG]   Imported: org.eclipse.aether.transfer < plexus.core
[DEBUG]   Imported: org.eclipse.aether.version < plexus.core
[DEBUG]   Imported: org.slf4j.* < plexus.core
[DEBUG]   Imported: org.slf4j.helpers.* < plexus.core
[DEBUG]   Imported: org.slf4j.spi.* < plexus.core
[DEBUG] Populating class realm maven.api
[INFO] Error stacktraces are turned on.
[DEBUG] Reading global settings from C:\Program Files\Maven\conf\settings.xml
[DEBUG] Reading user settings from C:\Users\m08j331\.m2\settings.xml
[DEBUG] Reading global toolchains from C:\Program 
Files\Maven\conf\toolchains.xml
[DEBUG] Reading user toolchains from C:\Users\m08j331\.m2\toolchains.xml
[DEBUG] Using local repository at C:\MavenRepo
[DEBUG] Using manager EnhancedLocalRepositoryManager with priority 10.0 for 
C:\MavenRepo
[INFO] Scanning for projects...
[DEBUG] Extension realms for project foobar:foobar:jar:0.0: (none)
[DEBUG] Looking up lifecyle mappings for packaging jar from 
ClassRealm[plexus.core, parent: null]
[DEBUG] === REACTOR BUILD PLAN ================================================
[DEBUG] Project: foobar:foobar:jar:0.0
[DEBUG] Tasks:   [initialize]
[DEBUG] Style:   Regular
[DEBUG] =======================================================================
[INFO]                                                                         
[INFO] ------------------------------------------------------------------------
[INFO] Building foobar 0.0
[INFO] ------------------------------------------------------------------------
[DEBUG] Lifecycle default -> [validate, initialize, generate-sources, 
process-sources, generate-resources, process-resources, compile, 
process-classes, generate-test-sources, process-test-sources, 
generate-test-resources, process-test-resources, test-compile, 
process-test-classes, test, prepare-package, package, pre-integration-test, 
integration-test, post-integration-test, verify, install, deploy]
[DEBUG] Lifecycle clean -> [pre-clean, clean, post-clean]
[DEBUG] Lifecycle site -> [pre-site, site, post-site, site-deploy]
[DEBUG] Lifecycle default -> [validate, initialize, generate-sources, 
process-sources, generate-resources, process-resources, compile, 
process-classes, generate-test-sources, process-test-sources, 
generate-test-resources, process-test-resources, test-compile, 
process-test-classes, test, prepare-package, package, pre-integration-test, 
integration-test, post-integration-test, verify, install, deploy]
[DEBUG] Lifecycle clean -> [pre-clean, clean, post-clean]
[DEBUG] Lifecycle site -> [pre-site, site, post-site, site-deploy]
[DEBUG] === PROJECT BUILD PLAN ================================================
[DEBUG] Project:       foobar:foobar:0.0
[DEBUG] Dependencies (collect): []
[DEBUG] Dependencies (resolve): [test]
[DEBUG] Repositories (dependencies): [central 
(https://ourserver.intranet/artifactory/libs-release, default, releases)]
[DEBUG] Repositories (plugins)     : [central 
(https://ourserver.intranet/artifactory/plugins-release, default, releases)]
[DEBUG] -----------------------------------------------------------------------
[DEBUG] Goal:          
org.apache.maven.plugins:maven-dependency-plugin:2.8:tree (default)
[DEBUG] Style:         Regular
[DEBUG] Configuration: <?xml version="1.0" encoding="UTF-8"?>
<configuration>
  <appendOutput default-value="false">${appendOutput}</appendOutput>
  <excludes>${excludes}</excludes>
  <includes>${includes}</includes>
  <localRepository default-value="${localRepository}"/>
  <output>${output}</output>
  <outputFile>${outputFile}</outputFile>
  <outputType default-value="text">${outputType}</outputType>
  <scope>${scope}</scope>
  <skip default-value="false">${skip}</skip>
  <tokens default-value="standard">${tokens}</tokens>
  <verbose default-value="false">${verbose}</verbose>
  <project default-value="${project}"/>
</configuration>
[DEBUG] =======================================================================
[DEBUG] Using transporter WagonTransporter with priority -1.0 for 
https://ourserver.intranet/artifactory/libs-release
[DEBUG] Using connector BasicRepositoryConnector with priority 0.0 for 
https://ourserver.intranet/artifactory/libs-release with username=reader, 
password=***
Downloading: 
https://ourserver.intranet/artifactory/libs-release/org/jboss/arquillian/arquillian-bom/1.1.9.Final/arquillian-bom-1.1.9.Final.pom
4/11 KB   
8/11 KB   
9/11 KB   
11/11 KB   
           
Downloaded: 
https://ourserver.intranet/artifactory/libs-release/org/jboss/arquillian/arquillian-bom/1.1.9.Final/arquillian-bom-1.1.9.Final.pom
 (11 KB at 30.2 KB/sec)
[DEBUG] Writing tracking file 
C:\MavenRepo\org\jboss\arquillian\arquillian-bom\1.1.9.Final\_remote.repositories
[DEBUG] Writing tracking file 
C:\MavenRepo\org\jboss\arquillian\arquillian-bom\1.1.9.Final\arquillian-bom-1.1.9.Final.pom.lastUpdated
[DEBUG] Using transporter WagonTransporter with priority -1.0 for 
https://repo.maven.apache.org/maven2
[DEBUG] Using connector BasicRepositoryConnector with priority 0.0 for 
https://repo.maven.apache.org/maven2 with username=reader, password=***
Downloading: 
https://repo.maven.apache.org/maven2/org/jboss/shrinkwrap/shrinkwrap-bom/1.2.2/shrinkwrap-bom-1.2.2.pom
           
[DEBUG] Writing tracking file 
C:\MavenRepo\org\jboss\shrinkwrap\shrinkwrap-bom\1.2.2\shrinkwrap-bom-1.2.2.pom.lastUpdated
[DEBUG] Using transporter WagonTransporter with priority -1.0 for 
https://repo.maven.apache.org/maven2
[DEBUG] Using connector BasicRepositoryConnector with priority 0.0 for 
https://repo.maven.apache.org/maven2 with username=reader, password=***
Downloading: 
https://repo.maven.apache.org/maven2/org/jboss/shrinkwrap/resolver/shrinkwrap-resolver-bom/2.1.1/shrinkwrap-resolver-bom-2.1.1.pom
           
[DEBUG] Writing tracking file 
C:\MavenRepo\org\jboss\shrinkwrap\resolver\shrinkwrap-resolver-bom\2.1.1\shrinkwrap-resolver-bom-2.1.1.pom.lastUpdated
[DEBUG] Using transporter WagonTransporter with priority -1.0 for 
https://repo.maven.apache.org/maven2
[DEBUG] Using connector BasicRepositoryConnector with priority 0.0 for 
https://repo.maven.apache.org/maven2 with username=reader, password=***
Downloading: 
https://repo.maven.apache.org/maven2/org/jboss/shrinkwrap/descriptors/shrinkwrap-descriptors-bom/2.0.0-alpha-7/shrinkwrap-descriptors-bom-2.0.0-alpha-7.pom
           
[DEBUG] Writing tracking file 
C:\MavenRepo\org\jboss\shrinkwrap\descriptors\shrinkwrap-descriptors-bom\2.0.0-alpha-7\shrinkwrap-descriptors-bom-2.0.0-alpha-7.pom.lastUpdated
[DEBUG] Dependency collection stats: {ConflictMarker.analyzeTime=0, 
ConflictMarker.markTime=0, ConflictMarker.nodeCount=2, 
ConflictIdSorter.graphTime=0, ConflictIdSorter.topsortTime=0, 
ConflictIdSorter.conflictIdCount=1, ConflictIdSorter.conflictIdCycleCount=0, 
ConflictResolver.totalTime=16, ConflictResolver.conflictItemCount=1, 
DefaultDependencyCollector.collectTime=748, 
DefaultDependencyCollector.transformTime=16}
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1.139 s
[INFO] Finished at: 2016-09-06T12:35:32+02:00
[INFO] Final Memory: 9M/150M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal on project foobar: Could not resolve 
dependencies for project foobar:foobar:jar:0.0: Failed to collect dependencies 
at org.hibernate:hibernate-validator:jar:5.2.4.Final: Failed to read artifact 
descriptor for org.hibernate:hibernate-validator:jar:5.2.4.Final: Could not 
transfer artifact org.jboss.shrinkwrap:shrinkwrap-bom:pom:1.2.2 from/to central 
(https://repo.maven.apache.org/maven2): repo.maven.apache.org: Unknown host 
repo.maven.apache.org -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal 
on project foobar: Could not resolve dependencies for project 
foobar:foobar:jar:0.0: Failed to collect dependencies at 
org.hibernate:hibernate-validator:jar:5.2.4.Final
        at 
org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDependencies(LifecycleDependencyResolver.java:221)
        at 
org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.resolveProjectDependencies(LifecycleDependencyResolver.java:127)
        at 
org.apache.maven.lifecycle.internal.MojoExecutor.ensureDependenciesAreResolved(MojoExecutor.java:245)
        at 
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:199)
        at 
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
        at 
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
        at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
        at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
        at 
org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
        at 
org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)
        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)
        at org.apache.maven.cli.MavenCli.execute(MavenCli.java:863)
        at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:288)
        at org.apache.maven.cli.MavenCli.main(MavenCli.java:199)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
        at 
org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
        at 
org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
        at 
org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
Caused by: org.apache.maven.project.DependencyResolutionException: Could not 
resolve dependencies for project foobar:foobar:jar:0.0: Failed to collect 
dependencies at org.hibernate:hibernate-validator:jar:5.2.4.Final
        at 
org.apache.maven.project.DefaultProjectDependenciesResolver.resolve(DefaultProjectDependenciesResolver.java:180)
        at 
org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDependencies(LifecycleDependencyResolver.java:195)
        ... 23 more
Caused by: org.eclipse.aether.collection.DependencyCollectionException: Failed 
to collect dependencies at org.hibernate:hibernate-validator:jar:5.2.4.Final
        at 
org.eclipse.aether.internal.impl.DefaultDependencyCollector.collectDependencies(DefaultDependencyCollector.java:291)
        at 
org.eclipse.aether.internal.impl.DefaultRepositorySystem.collectDependencies(DefaultRepositorySystem.java:316)
        at 
org.apache.maven.project.DefaultProjectDependenciesResolver.resolve(DefaultProjectDependenciesResolver.java:172)
        ... 24 more
Caused by: org.eclipse.aether.resolution.ArtifactDescriptorException: Failed to 
read artifact descriptor for org.hibernate:hibernate-validator:jar:5.2.4.Final
        at 
org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.loadPom(DefaultArtifactDescriptorReader.java:329)
        at 
org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.readArtifactDescriptor(DefaultArtifactDescriptorReader.java:198)
        at 
org.eclipse.aether.internal.impl.DefaultDependencyCollector.resolveCachedArtifactDescriptor(DefaultDependencyCollector.java:535)
        at 
org.eclipse.aether.internal.impl.DefaultDependencyCollector.getArtifactDescriptorResult(DefaultDependencyCollector.java:519)
        at 
org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:409)
        at 
org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:363)
        at 
org.eclipse.aether.internal.impl.DefaultDependencyCollector.process(DefaultDependencyCollector.java:351)
        at 
org.eclipse.aether.internal.impl.DefaultDependencyCollector.collectDependencies(DefaultDependencyCollector.java:254)
        ... 26 more
Caused by: org.apache.maven.model.resolution.UnresolvableModelException: Could 
not transfer artifact org.jboss.shrinkwrap:shrinkwrap-bom:pom:1.2.2 from/to 
central (https://repo.maven.apache.org/maven2): repo.maven.apache.org
        at 
org.apache.maven.repository.internal.DefaultModelResolver.resolveModel(DefaultModelResolver.java:177)
        at 
org.apache.maven.model.building.DefaultModelBuilder.importDependencyManagement(DefaultModelBuilder.java:1192)
        at 
org.apache.maven.model.building.DefaultModelBuilder.build(DefaultModelBuilder.java:455)
        at 
org.apache.maven.model.building.DefaultModelBuilder.build(DefaultModelBuilder.java:421)
        at 
org.apache.maven.model.building.DefaultModelBuilder.build(DefaultModelBuilder.java:411)
        at 
org.apache.maven.model.building.DefaultModelBuilder.importDependencyManagement(DefaultModelBuilder.java:1226)
        at 
org.apache.maven.model.building.DefaultModelBuilder.build(DefaultModelBuilder.java:455)
        at 
org.apache.maven.model.building.DefaultModelBuilder.build(DefaultModelBuilder.java:421)
        at 
org.apache.maven.model.building.DefaultModelBuilder.build(DefaultModelBuilder.java:411)
        at 
org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.loadPom(DefaultArtifactDescriptorReader.java:320)
        ... 33 more
Caused by: org.eclipse.aether.resolution.ArtifactResolutionException: Could not 
transfer artifact org.jboss.shrinkwrap:shrinkwrap-bom:pom:1.2.2 from/to central 
(https://repo.maven.apache.org/maven2): repo.maven.apache.org
        at 
org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:444)
        at 
org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts(DefaultArtifactResolver.java:246)
        at 
org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifact(DefaultArtifactResolver.java:223)
        at 
org.apache.maven.repository.internal.DefaultModelResolver.resolveModel(DefaultModelResolver.java:173)
        ... 42 more
Caused by: org.eclipse.aether.transfer.ArtifactTransferException: Could not 
transfer artifact org.jboss.shrinkwrap:shrinkwrap-bom:pom:1.2.2 from/to central 
(https://repo.maven.apache.org/maven2): repo.maven.apache.org
        at 
org.eclipse.aether.connector.basic.ArtifactTransportListener.transferFailed(ArtifactTransportListener.java:43)
        at 
org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run(BasicRepositoryConnector.java:355)
        at 
org.eclipse.aether.util.concurrency.RunnableErrorForwarder$1.run(RunnableErrorForwarder.java:67)
        at 
org.eclipse.aether.connector.basic.BasicRepositoryConnector$DirectExecutor.execute(BasicRepositoryConnector.java:581)
        at 
org.eclipse.aether.connector.basic.BasicRepositoryConnector.get(BasicRepositoryConnector.java:249)
        at 
org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads(DefaultArtifactResolver.java:520)
        at 
org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:421)
        ... 45 more
Caused by: org.apache.maven.wagon.TransferFailedException: repo.maven.apache.org
        at 
org.apache.maven.wagon.providers.http.AbstractHttpClientWagon.fillInputData(AbstractHttpClientWagon.java:1066)
        at 
org.apache.maven.wagon.providers.http.AbstractHttpClientWagon.fillInputData(AbstractHttpClientWagon.java:960)
        at 
org.apache.maven.wagon.StreamWagon.getInputStream(StreamWagon.java:116)
        at org.apache.maven.wagon.StreamWagon.getIfNewer(StreamWagon.java:88)
        at org.apache.maven.wagon.StreamWagon.get(StreamWagon.java:61)
        at 
org.eclipse.aether.transport.wagon.WagonTransporter$GetTaskRunner.run(WagonTransporter.java:560)
        at 
org.eclipse.aether.transport.wagon.WagonTransporter.execute(WagonTransporter.java:427)
        at 
org.eclipse.aether.transport.wagon.WagonTransporter.get(WagonTransporter.java:404)
        at 
org.eclipse.aether.connector.basic.BasicRepositoryConnector$GetTaskRunner.runTask(BasicRepositoryConnector.java:447)
        at 
org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run(BasicRepositoryConnector.java:350)
        ... 50 more
Caused by: java.net.UnknownHostException: repo.maven.apache.org
        at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)
        at java.net.InetAddress$2.lookupAllHostAddr(InetAddress.java:928)
        at 
java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1323)
        at java.net.InetAddress.getAllByName0(InetAddress.java:1276)
        at java.net.InetAddress.getAllByName(InetAddress.java:1192)
        at java.net.InetAddress.getAllByName(InetAddress.java:1126)
        at 
org.apache.maven.wagon.providers.http.httpclient.impl.conn.SystemDefaultDnsResolver.resolve(SystemDefaultDnsResolver.java:44)
        at 
org.apache.maven.wagon.providers.http.httpclient.impl.conn.HttpClientConnectionOperator.connect(HttpClientConnectionOperator.java:101)
        at 
org.apache.maven.wagon.providers.http.httpclient.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:318)
        at 
org.apache.maven.wagon.providers.http.httpclient.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:363)
        at 
org.apache.maven.wagon.providers.http.httpclient.impl.execchain.MainClientExec.execute(MainClientExec.java:219)
        at 
org.apache.maven.wagon.providers.http.httpclient.impl.execchain.ProtocolExec.execute(ProtocolExec.java:195)
        at 
org.apache.maven.wagon.providers.http.httpclient.impl.execchain.RetryExec.execute(RetryExec.java:86)
        at 
org.apache.maven.wagon.providers.http.httpclient.impl.execchain.RedirectExec.execute(RedirectExec.java:108)
        at 
org.apache.maven.wagon.providers.http.httpclient.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:184)
        at 
org.apache.maven.wagon.providers.http.httpclient.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82)
        at 
org.apache.maven.wagon.providers.http.AbstractHttpClientWagon.execute(AbstractHttpClientWagon.java:832)
        at 
org.apache.maven.wagon.providers.http.AbstractHttpClientWagon.fillInputData(AbstractHttpClientWagon.java:983)
        ... 59 more
[ERROR] 
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please 
read the following articles:
[ERROR] [Help 1] 
http://cwiki.apache.org/confluence/display/MAVEN/DependencyResolutionException
{noformat}

  was:
Using Apache Maven 3.3.3 (7994120775791599e205a5524ec3e0dfe41d4a06; 
2015-04-22T13:57:37+02:00) of which I don't know what the Wagon version is 
(probably depends on the plugin)

In our organisation https://repo.maven.apache.org is unreachable behind a 
proxy, but there is an Artifactory instance that serves as a mirror. So in the 
/conf/settings.xml we specify a repository with id = central and the url of our 
Artifactory instance:
{noformat}
  <profiles>
    <profile>
      <id>artifactory</id>
      <repositories>
        <repository>
          <snapshots>
            <enabled>false</enabled>
          </snapshots>
          <id>central</id>
          <name>libs-release</name>
          <url>https://ourserver.intranet/artifactory/libs-release</url>
        </repository>
      </repositories>
      <pluginRepositories>
        <pluginRepository>
          <snapshots>
            <enabled>false</enabled>
          </snapshots>
          <id>central</id>
          <name>plugins-release</name>
          <url>https://ourserver.intranet/artifactory/plugins-release</url>
        </pluginRepository>
      </pluginRepositories>
    </profile>
  </profiles>
  <activeProfiles>
    <activeProfile>artifactory</activeProfile>
  </activeProfiles>
{noformat}

This works fine.... except for one project that has a dependency with 
org.hibernate:hibernate-validator:jar:5.2.4.Final
I suspect what triggers the error is an odd dependency scope. In 
hibernate-validator-parent-5.2.4.Final.pom the dependency to 
org.jboss.arquillian:arquillian-bom is set with scope 'import'.

Here's a pom.xml to reproduce the issue:
{noformat}
<?xml version="1.0" encoding="UTF-8"?>
<project>
    <!-- This is the Maven Model version which MUST be 4.0.0 !!! -->
    <modelVersion>4.0.0</modelVersion>
    <groupId>foobar</groupId>
    <artifactId>foobar</artifactId>
    <version>0.0</version>
    <dependencies>
        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-validator</artifactId>
            <version>5.2.4.Final</version>
        </dependency>
    </dependencies>
</project>
{noformat}

Remove the folder org.jboss from your local repository, then run 'mvn 
initialize'. My output:
{noformat}
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building foobar 0.0
[INFO] ------------------------------------------------------------------------
Downloading: 
https://ourserver.intranet/artifactory/libs-release/org/jboss/arquillian/arquillian-bom/1.1.9.Final/arquillian-bom-1.1.9.Final.pom
Downloaded: 
https://ourserver.intranet/artifactory/libs-release/org/jboss/arquillian/arquillian-bom/1.1.9.Final/arquillian-bom-1.1.9.Final.pom
 (11 KB at 30.2 KB/sec)
Downloading: 
https://repo.maven.apache.org/maven2/org/jboss/shrinkwrap/shrinkwrap-bom/1.2.2/shrinkwrap-bom-1.2.2.pom
Downloading: 
https://repo.maven.apache.org/maven2/org/jboss/shrinkwrap/resolver/shrinkwrap-resolver-bom/2.1.1/shrinkwrap-resolver-bom-2.1.1.pom
Downloading: 
https://repo.maven.apache.org/maven2/org/jboss/shrinkwrap/descriptors/shrinkwrap-descriptors-bom/2.0.0-alpha-7/shrinkwrap-descriptors-bom-2.0.0-alpha-7.pom
{noformat}

You can see that the first transfer of arquillian-bom-1.1.9.Final.pom is 
fetched from our own server and goes fine. The further BOMs are not downloaded 
through the URL you'd expect, but from the default URL.

Part of the log when ran with -X:

{noformat}
[DEBUG] Using transporter WagonTransporter with priority -1.0 for 
https://ourserver.intranet/artifactory/libs-release
[DEBUG] Using connector BasicRepositoryConnector with priority 0.0 for 
https://ourserver.intranet/artifactory/libs-release with username=reader, 
password=***
Downloading: 
https://ourserver.intranet/artifactory/libs-release/org/jboss/arquillian/arquillian-bom/1.1.9.Final/arquillian-bom-1.1.9.Final.pom
Downloaded: 
https://ourserver.intranet/artifactory/libs-release/org/jboss/arquillian/arquillian-bom/1.1.9.Final/arquillian-bom-1.1.9.Final.pom
 (11 KB at 30.3 KB/sec)
[DEBUG] Writing tracking file 
C:\MavenRepo\org\jboss\arquillian\arquillian-bom\1.1.9.Final\_remote.repositories
[DEBUG] Writing tracking file 
C:\MavenRepo\org\jboss\arquillian\arquillian-bom\1.1.9.Final\arquillian-bom-1.1.9.Final.pom.lastUpdated
[DEBUG] Using transporter WagonTransporter with priority -1.0 for 
https://repo.maven.apache.org/maven2
[DEBUG] Using connector BasicRepositoryConnector with priority 0.0 for 
https://repo.maven.apache.org/maven2 with username=reader, password=***
Downloading: 
https://repo.maven.apache.org/maven2/org/jboss/shrinkwrap/shrinkwrap-bom/1.2.2/shrinkwrap-bom-1.2.2.pom
[DEBUG] Writing tracking file 
C:\MavenRepo\org\jboss\shrinkwrap\shrinkwrap-bom\1.2.2\shrinkwrap-bom-1.2.2.pom.lastUpdated
[DEBUG] Using transporter WagonTransporter with priority -1.0 for 
https://repo.maven.apache.org/maven2
[DEBUG] Using connector BasicRepositoryConnector with priority 0.0 for 
https://repo.maven.apache.org/maven2 with username=reader, password=***
Downloading: 
https://repo.maven.apache.org/maven2/org/jboss/shrinkwrap/resolver/shrinkwrap-resolver-bom/2.1.1/shrinkwrap-resolver-bom-2.1.1.pom
[DEBUG] Writing tracking file 
C:\MavenRepo\org\jboss\shrinkwrap\resolver\shrinkwrap-resolver-bom\2.1.1\shrinkwrap-resolver-bom-2.1.1.pom.lastUpdated
[DEBUG] Using transporter WagonTransporter with priority -1.0 for 
https://repo.maven.apache.org/maven2
[DEBUG] Using connector BasicRepositoryConnector with priority 0.0 for 
https://repo.maven.apache.org/maven2 with username=reader, password=***
Downloading: 
https://repo.maven.apache.org/maven2/org/jboss/shrinkwrap/descriptors/shrinkwrap-descriptors-bom/2.0.0-alpha-7/shrinkwrap-descriptors-bom-2.0.0-alpha-7.pom
[DEBUG] Writing tracking file 
C:\MavenRepo\org\jboss\shrinkwrap\descriptors\shrinkwrap-descriptors-bom\2.0.0-alpha-7\shrinkwrap-descriptors-bom-2.0.0-alpha-7.pom.lastUpdated
{noformat}

Here is the full stack trace:
{noformat}
[ERROR] Failed to execute goal on project foobar: Could not resolve 
dependencies for project foobar:foobar:pom:0.0: Failed to collect dependencies 
at org.hibernate:hibernate-validator:jar:5.2.4.Final:
 Failed to read artifact descriptor for 
org.hibernate:hibernate-validator:jar:5.2.4.Final: 
 Could not transfer artifact org.jboss.shrinkwrap:shrinkwrap-bom:pom:1.2.2 
from/to central (https://repo.maven.apache.org/maven2): repo.maven.apache.org: 
Unknown host repo.maven.apache.org -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal 
on project foobar: 
 Could not resolve dependencies for project foobar:foobar:pom:0.0: 
 Failed to collect dependencies at 
org.hibernate:hibernate-validator:jar:5.2.4.Final
        at 
org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDependencies(LifecycleDependencyResolver.java:221)
        at 
org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.resolveProjectDependencies(LifecycleDependencyResolver.java:127)
        at 
org.apache.maven.lifecycle.internal.MojoExecutor.ensureDependenciesAreResolved(MojoExecutor.java:257)
        at 
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:200)
        at 
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
        at 
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
        at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
        at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
        at 
org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
        at 
org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)
        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)
        at org.apache.maven.cli.MavenCli.execute(MavenCli.java:862)
        at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:286)
        at org.apache.maven.cli.MavenCli.main(MavenCli.java:197)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
        at 
org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
        at 
org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
        at 
org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
Caused by: org.apache.maven.project.DependencyResolutionException: 
 Could not resolve dependencies for project foobar:foobar:pom:0.0: 
 Failed to collect dependencies at 
org.hibernate:hibernate-validator:jar:5.2.4.Final
        at 
org.apache.maven.project.DefaultProjectDependenciesResolver.resolve(DefaultProjectDependenciesResolver.java:180)
        at 
org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDependencies(LifecycleDependencyResolver.java:195)
        ... 23 more
Caused by: org.eclipse.aether.collection.DependencyCollectionException: Failed 
to collect dependencies at org.hibernate:hibernate-validator:jar:5.2.4.Final
        at 
org.eclipse.aether.internal.impl.DefaultDependencyCollector.collectDependencies(DefaultDependencyCollector.java:291)
        at 
org.eclipse.aether.internal.impl.DefaultRepositorySystem.collectDependencies(DefaultRepositorySystem.java:316)
        at 
org.apache.maven.project.DefaultProjectDependenciesResolver.resolve(DefaultProjectDependenciesResolver.java:172)
        ... 24 more
Caused by: org.eclipse.aether.resolution.ArtifactDescriptorException: Failed to 
read artifact descriptor for org.hibernate:hibernate-validator:jar:5.2.4.Final
        at 
org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.loadPom(DefaultArtifactDescriptorReader.java:349)
        at 
org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.readArtifactDescriptor(DefaultArtifactDescriptorReader.java:218)
        at 
org.eclipse.aether.internal.impl.DefaultDependencyCollector.resolveCachedArtifactDescriptor(DefaultDependencyCollector.java:535)
        at 
org.eclipse.aether.internal.impl.DefaultDependencyCollector.getArtifactDescriptorResult(DefaultDependencyCollector.java:519)
        at 
org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:409)
        at 
org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:363)
        at 
org.eclipse.aether.internal.impl.DefaultDependencyCollector.process(DefaultDependencyCollector.java:351)
        at 
org.eclipse.aether.internal.impl.DefaultDependencyCollector.collectDependencies(DefaultDependencyCollector.java:254)
        ... 26 more
Caused by: org.apache.maven.model.resolution.UnresolvableModelException: Could 
not transfer artifact org.jboss.shrinkwrap:shrinkwrap-bom:pom:1.2.2 from/to 
central (https://repo.maven.apache.org/maven2): repo.maven.apache.org
        at 
org.apache.maven.repository.internal.DefaultModelResolver.resolveModel(DefaultModelResolver.java:177)
        at 
org.apache.maven.model.building.DefaultModelBuilder.importDependencyManagement(DefaultModelBuilder.java:1167)
        at 
org.apache.maven.model.building.DefaultModelBuilder.build(DefaultModelBuilder.java:451)
        at 
org.apache.maven.model.building.DefaultModelBuilder.build(DefaultModelBuilder.java:417)
        at 
org.apache.maven.model.building.DefaultModelBuilder.build(DefaultModelBuilder.java:407)
        at 
org.apache.maven.model.building.DefaultModelBuilder.importDependencyManagement(DefaultModelBuilder.java:1201)
        at 
org.apache.maven.model.building.DefaultModelBuilder.build(DefaultModelBuilder.java:451)
        at 
org.apache.maven.model.building.DefaultModelBuilder.build(DefaultModelBuilder.java:417)
        at 
org.apache.maven.model.building.DefaultModelBuilder.build(DefaultModelBuilder.java:407)
        at 
org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.loadPom(DefaultArtifactDescriptorReader.java:340)
        ... 33 more
Caused by: org.eclipse.aether.resolution.ArtifactResolutionException: Could not 
transfer artifact org.jboss.shrinkwrap:shrinkwrap-bom:pom:1.2.2 from/to central 
(https://repo.maven.apache.org/maven2):repo.maven.apache.org
        at 
org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:444)
        at 
org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts(DefaultArtifactResolver.java:246)
        at 
org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifact(DefaultArtifactResolver.java:223)
        at 
org.apache.maven.repository.internal.DefaultModelResolver.resolveModel(DefaultModelResolver.java:173)
        ... 42 more
Caused by: org.eclipse.aether.transfer.ArtifactTransferException: Could not 
transfer artifact org.jboss.shrinkwrap:shrinkwrap-bom:pom:1.2.2 from/to central 
(https://repo.maven.apache.org/maven2): repo.maven.apache.org
        at 
org.eclipse.aether.connector.basic.ArtifactTransportListener.transferFailed(ArtifactTransportListener.java:43)
        at 
org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run(BasicRepositoryConnector.java:355)
        at 
org.eclipse.aether.util.concurrency.RunnableErrorForwarder$1.run(RunnableErrorForwarder.java:67)
        at 
org.eclipse.aether.connector.basic.BasicRepositoryConnector$DirectExecutor.execute(BasicRepositoryConnector.java:581)
        at 
org.eclipse.aether.connector.basic.BasicRepositoryConnector.get(BasicRepositoryConnector.java:249)
        at 
org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads(DefaultArtifactResolver.java:520)
        at 
org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:421)
        ... 45 more
Caused by: org.apache.maven.wagon.TransferFailedException: repo.maven.apache.org
        at 
org.apache.maven.wagon.providers.http.AbstractHttpClientWagon.fillInputData(AbstractHttpClientWagon.java:1066)
        at 
org.apache.maven.wagon.providers.http.AbstractHttpClientWagon.fillInputData(AbstractHttpClientWagon.java:960)
        at 
org.apache.maven.wagon.StreamWagon.getInputStream(StreamWagon.java:116)
        at org.apache.maven.wagon.StreamWagon.getIfNewer(StreamWagon.java:88)
        at org.apache.maven.wagon.StreamWagon.get(StreamWagon.java:61)
        at 
org.eclipse.aether.transport.wagon.WagonTransporter$GetTaskRunner.run(WagonTransporter.java:560)
        at 
org.eclipse.aether.transport.wagon.WagonTransporter.execute(WagonTransporter.java:427)
        at 
org.eclipse.aether.transport.wagon.WagonTransporter.get(WagonTransporter.java:404)
        at 
org.eclipse.aether.connector.basic.BasicRepositoryConnector$GetTaskRunner.runTask(BasicRepositoryConnector.java:447)
        at 
org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run(BasicRepositoryConnector.java:350)
        ... 50 more
Caused by: java.net.UnknownHostException: repo.maven.apache.org
        at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)
        at java.net.InetAddress$2.lookupAllHostAddr(InetAddress.java:928)
        at 
java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1323)
        at java.net.InetAddress.getAllByName0(InetAddress.java:1276)
        at java.net.InetAddress.getAllByName(InetAddress.java:1192)
        at java.net.InetAddress.getAllByName(InetAddress.java:1126)
        at 
org.apache.maven.wagon.providers.http.httpclient.impl.conn.SystemDefaultDnsResolver.resolve(SystemDefaultDnsResolver.java:44)
        at 
org.apache.maven.wagon.providers.http.httpclient.impl.conn.HttpClientConnectionOperator.connect(HttpClientConnectionOperator.java:101)
        at 
org.apache.maven.wagon.providers.http.httpclient.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:318)
        at 
org.apache.maven.wagon.providers.http.httpclient.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:363)
        at 
org.apache.maven.wagon.providers.http.httpclient.impl.execchain.MainClientExec.execute(MainClientExec.java:219)
        at 
org.apache.maven.wagon.providers.http.httpclient.impl.execchain.ProtocolExec.execute(ProtocolExec.java:195)
        at 
org.apache.maven.wagon.providers.http.httpclient.impl.execchain.RetryExec.execute(RetryExec.java:86)
        at 
org.apache.maven.wagon.providers.http.httpclient.impl.execchain.RedirectExec.execute(RedirectExec.java:108)
        at 
org.apache.maven.wagon.providers.http.httpclient.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:184)
        at 
org.apache.maven.wagon.providers.http.httpclient.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82)
        at 
org.apache.maven.wagon.providers.http.AbstractHttpClientWagon.execute(AbstractHttpClientWagon.java:832)
        at 
org.apache.maven.wagon.providers.http.AbstractHttpClientWagon.fillInputData(AbstractHttpClientWagon.java:983)
        ... 59 more
{noformat}


> url of 'central' maven repo not fetched from settings.xml
> ---------------------------------------------------------
>
>                 Key: WAGON-463
>                 URL: https://issues.apache.org/jira/browse/WAGON-463
>             Project: Maven Wagon
>          Issue Type: Bug
>            Reporter: Bert Koorengevel
>
> Using Apache Maven 3.3.9 (bb52d8502b132ec0a5a3f4c09453c07478323dc5; 
> 2015-11-10T17:41:47+01:00) of which I don't know what the Wagon version is 
> (probably depends on the plugin)
> In our organisation https://repo.maven.apache.org is unreachable behind a 
> proxy, but there is an Artifactory instance that serves as a mirror. So in 
> the /conf/settings.xml we specify a repository with id = central and the url 
> of our Artifactory instance:
> {noformat}
>   <profiles>
>     <profile>
>       <id>artifactory</id>
>       <repositories>
>         <repository>
>           <snapshots>
>             <enabled>false</enabled>
>           </snapshots>
>           <id>central</id>
>           <name>libs-release</name>
>           <url>https://ourserver.intranet/artifactory/libs-release</url>
>         </repository>
>       </repositories>
>       <pluginRepositories>
>         <pluginRepository>
>           <snapshots>
>             <enabled>false</enabled>
>           </snapshots>
>           <id>central</id>
>           <name>plugins-release</name>
>           <url>https://ourserver.intranet/artifactory/plugins-release</url>
>         </pluginRepository>
>       </pluginRepositories>
>     </profile>
>   </profiles>
>   <activeProfiles>
>     <activeProfile>artifactory</activeProfile>
>   </activeProfiles>
> {noformat}
> This works fine.... except for one project that has a dependency with 
> org.hibernate:hibernate-validator:jar:5.2.4.Final
> I suspect what triggers the error is an odd dependency scope. In 
> hibernate-validator-parent-5.2.4.Final.pom the dependency to 
> org.jboss.arquillian:arquillian-bom is set with scope 'import'.
> Here's a pom.xml to reproduce the issue:
> {noformat}
> <?xml version="1.0" encoding="UTF-8"?>
> <project>
>     <!-- This is the Maven Model version which MUST be 4.0.0 !!! -->
>     <modelVersion>4.0.0</modelVersion>
>     <groupId>foobar</groupId>
>     <artifactId>foobar</artifactId>
>     <version>0.0</version>
>     <dependencies>
>         <dependency>
>             <groupId>org.hibernate</groupId>
>             <artifactId>hibernate-validator</artifactId>
>             <version>5.2.4.Final</version>
>         </dependency>
>     </dependencies>
> </project>
> {noformat}
> Remove the folder org.jboss from your local repository, then run 'mvn 
> initialize'. My output:
> {noformat}
> [INFO] Scanning for projects...
> [INFO]
> [INFO] 
> ------------------------------------------------------------------------
> [INFO] Building foobar 0.0
> [INFO] 
> ------------------------------------------------------------------------
> Downloading: 
> https://ourserver.intranet/artifactory/libs-release/org/jboss/arquillian/arquillian-bom/1.1.9.Final/arquillian-bom-1.1.9.Final.pom
> Downloaded: 
> https://ourserver.intranet/artifactory/libs-release/org/jboss/arquillian/arquillian-bom/1.1.9.Final/arquillian-bom-1.1.9.Final.pom
>  (11 KB at 30.2 KB/sec)
> Downloading: 
> https://repo.maven.apache.org/maven2/org/jboss/shrinkwrap/shrinkwrap-bom/1.2.2/shrinkwrap-bom-1.2.2.pom
> Downloading: 
> https://repo.maven.apache.org/maven2/org/jboss/shrinkwrap/resolver/shrinkwrap-resolver-bom/2.1.1/shrinkwrap-resolver-bom-2.1.1.pom
> Downloading: 
> https://repo.maven.apache.org/maven2/org/jboss/shrinkwrap/descriptors/shrinkwrap-descriptors-bom/2.0.0-alpha-7/shrinkwrap-descriptors-bom-2.0.0-alpha-7.pom
> {noformat}
> You can see that the first transfer of arquillian-bom-1.1.9.Final.pom is 
> fetched from our own server and goes fine. The further BOMs are not 
> downloaded through the URL you'd expect, but from the default URL.
> Full log when ran with -X:
> {noformat}
> Apache Maven 3.3.9 (bb52d8502b132ec0a5a3f4c09453c07478323dc5; 
> 2015-11-10T17:41:47+01:00)
> Maven home: C:\Program Files\Maven
> Java version: 1.8.0_92, vendor: Oracle Corporation
> Java home: C:\Program Files\Java\jdk1.8.0_92\jre
> Default locale: en_US, platform encoding: Cp1252
> OS name: "windows 7", version: "6.1", arch: "amd64", family: "dos"
> [DEBUG] Created new class realm maven.api
> [DEBUG] Importing foreign packages into class realm maven.api
> [DEBUG]   Imported: javax.enterprise.inject.* < plexus.core
> [DEBUG]   Imported: javax.enterprise.util.* < plexus.core
> [DEBUG]   Imported: javax.inject.* < plexus.core
> [DEBUG]   Imported: org.apache.maven.* < plexus.core
> [DEBUG]   Imported: org.apache.maven.artifact < plexus.core
> [DEBUG]   Imported: org.apache.maven.classrealm < plexus.core
> [DEBUG]   Imported: org.apache.maven.cli < plexus.core
> [DEBUG]   Imported: org.apache.maven.configuration < plexus.core
> [DEBUG]   Imported: org.apache.maven.exception < plexus.core
> [DEBUG]   Imported: org.apache.maven.execution < plexus.core
> [DEBUG]   Imported: org.apache.maven.execution.scope < plexus.core
> [DEBUG]   Imported: org.apache.maven.lifecycle < plexus.core
> [DEBUG]   Imported: org.apache.maven.model < plexus.core
> [DEBUG]   Imported: org.apache.maven.monitor < plexus.core
> [DEBUG]   Imported: org.apache.maven.plugin < plexus.core
> [DEBUG]   Imported: org.apache.maven.profiles < plexus.core
> [DEBUG]   Imported: org.apache.maven.project < plexus.core
> [DEBUG]   Imported: org.apache.maven.reporting < plexus.core
> [DEBUG]   Imported: org.apache.maven.repository < plexus.core
> [DEBUG]   Imported: org.apache.maven.rtinfo < plexus.core
> [DEBUG]   Imported: org.apache.maven.settings < plexus.core
> [DEBUG]   Imported: org.apache.maven.toolchain < plexus.core
> [DEBUG]   Imported: org.apache.maven.usability < plexus.core
> [DEBUG]   Imported: org.apache.maven.wagon.* < plexus.core
> [DEBUG]   Imported: org.apache.maven.wagon.authentication < plexus.core
> [DEBUG]   Imported: org.apache.maven.wagon.authorization < plexus.core
> [DEBUG]   Imported: org.apache.maven.wagon.events < plexus.core
> [DEBUG]   Imported: org.apache.maven.wagon.observers < plexus.core
> [DEBUG]   Imported: org.apache.maven.wagon.proxy < plexus.core
> [DEBUG]   Imported: org.apache.maven.wagon.repository < plexus.core
> [DEBUG]   Imported: org.apache.maven.wagon.resource < plexus.core
> [DEBUG]   Imported: org.codehaus.classworlds < plexus.core
> [DEBUG]   Imported: org.codehaus.plexus.* < plexus.core
> [DEBUG]   Imported: org.codehaus.plexus.classworlds < plexus.core
> [DEBUG]   Imported: org.codehaus.plexus.component < plexus.core
> [DEBUG]   Imported: org.codehaus.plexus.configuration < plexus.core
> [DEBUG]   Imported: org.codehaus.plexus.container < plexus.core
> [DEBUG]   Imported: org.codehaus.plexus.context < plexus.core
> [DEBUG]   Imported: org.codehaus.plexus.lifecycle < plexus.core
> [DEBUG]   Imported: org.codehaus.plexus.logging < plexus.core
> [DEBUG]   Imported: org.codehaus.plexus.personality < plexus.core
> [DEBUG]   Imported: org.codehaus.plexus.util.xml.Xpp3Dom < plexus.core
> [DEBUG]   Imported: org.codehaus.plexus.util.xml.pull.XmlPullParser < 
> plexus.core
> [DEBUG]   Imported: org.codehaus.plexus.util.xml.pull.XmlPullParserException 
> < plexus.core
> [DEBUG]   Imported: org.codehaus.plexus.util.xml.pull.XmlSerializer < 
> plexus.core
> [DEBUG]   Imported: org.eclipse.aether.* < plexus.core
> [DEBUG]   Imported: org.eclipse.aether.artifact < plexus.core
> [DEBUG]   Imported: org.eclipse.aether.collection < plexus.core
> [DEBUG]   Imported: org.eclipse.aether.deployment < plexus.core
> [DEBUG]   Imported: org.eclipse.aether.graph < plexus.core
> [DEBUG]   Imported: org.eclipse.aether.impl < plexus.core
> [DEBUG]   Imported: org.eclipse.aether.installation < plexus.core
> [DEBUG]   Imported: org.eclipse.aether.internal.impl < plexus.core
> [DEBUG]   Imported: org.eclipse.aether.metadata < plexus.core
> [DEBUG]   Imported: org.eclipse.aether.repository < plexus.core
> [DEBUG]   Imported: org.eclipse.aether.resolution < plexus.core
> [DEBUG]   Imported: org.eclipse.aether.spi < plexus.core
> [DEBUG]   Imported: org.eclipse.aether.transfer < plexus.core
> [DEBUG]   Imported: org.eclipse.aether.version < plexus.core
> [DEBUG]   Imported: org.slf4j.* < plexus.core
> [DEBUG]   Imported: org.slf4j.helpers.* < plexus.core
> [DEBUG]   Imported: org.slf4j.spi.* < plexus.core
> [DEBUG] Populating class realm maven.api
> [INFO] Error stacktraces are turned on.
> [DEBUG] Reading global settings from C:\Program Files\Maven\conf\settings.xml
> [DEBUG] Reading user settings from C:\Users\m08j331\.m2\settings.xml
> [DEBUG] Reading global toolchains from C:\Program 
> Files\Maven\conf\toolchains.xml
> [DEBUG] Reading user toolchains from C:\Users\m08j331\.m2\toolchains.xml
> [DEBUG] Using local repository at C:\MavenRepo
> [DEBUG] Using manager EnhancedLocalRepositoryManager with priority 10.0 for 
> C:\MavenRepo
> [INFO] Scanning for projects...
> [DEBUG] Extension realms for project foobar:foobar:jar:0.0: (none)
> [DEBUG] Looking up lifecyle mappings for packaging jar from 
> ClassRealm[plexus.core, parent: null]
> [DEBUG] === REACTOR BUILD PLAN 
> ================================================
> [DEBUG] Project: foobar:foobar:jar:0.0
> [DEBUG] Tasks:   [initialize]
> [DEBUG] Style:   Regular
> [DEBUG] 
> =======================================================================
> [INFO]                                                                        
>  
> [INFO] 
> ------------------------------------------------------------------------
> [INFO] Building foobar 0.0
> [INFO] 
> ------------------------------------------------------------------------
> [DEBUG] Lifecycle default -> [validate, initialize, generate-sources, 
> process-sources, generate-resources, process-resources, compile, 
> process-classes, generate-test-sources, process-test-sources, 
> generate-test-resources, process-test-resources, test-compile, 
> process-test-classes, test, prepare-package, package, pre-integration-test, 
> integration-test, post-integration-test, verify, install, deploy]
> [DEBUG] Lifecycle clean -> [pre-clean, clean, post-clean]
> [DEBUG] Lifecycle site -> [pre-site, site, post-site, site-deploy]
> [DEBUG] Lifecycle default -> [validate, initialize, generate-sources, 
> process-sources, generate-resources, process-resources, compile, 
> process-classes, generate-test-sources, process-test-sources, 
> generate-test-resources, process-test-resources, test-compile, 
> process-test-classes, test, prepare-package, package, pre-integration-test, 
> integration-test, post-integration-test, verify, install, deploy]
> [DEBUG] Lifecycle clean -> [pre-clean, clean, post-clean]
> [DEBUG] Lifecycle site -> [pre-site, site, post-site, site-deploy]
> [DEBUG] === PROJECT BUILD PLAN 
> ================================================
> [DEBUG] Project:       foobar:foobar:0.0
> [DEBUG] Dependencies (collect): []
> [DEBUG] Dependencies (resolve): [test]
> [DEBUG] Repositories (dependencies): [central 
> (https://ourserver.intranet/artifactory/libs-release, default, releases)]
> [DEBUG] Repositories (plugins)     : [central 
> (https://ourserver.intranet/artifactory/plugins-release, default, releases)]
> [DEBUG] 
> -----------------------------------------------------------------------
> [DEBUG] Goal:          
> org.apache.maven.plugins:maven-dependency-plugin:2.8:tree (default)
> [DEBUG] Style:         Regular
> [DEBUG] Configuration: <?xml version="1.0" encoding="UTF-8"?>
> <configuration>
>   <appendOutput default-value="false">${appendOutput}</appendOutput>
>   <excludes>${excludes}</excludes>
>   <includes>${includes}</includes>
>   <localRepository default-value="${localRepository}"/>
>   <output>${output}</output>
>   <outputFile>${outputFile}</outputFile>
>   <outputType default-value="text">${outputType}</outputType>
>   <scope>${scope}</scope>
>   <skip default-value="false">${skip}</skip>
>   <tokens default-value="standard">${tokens}</tokens>
>   <verbose default-value="false">${verbose}</verbose>
>   <project default-value="${project}"/>
> </configuration>
> [DEBUG] 
> =======================================================================
> [DEBUG] Using transporter WagonTransporter with priority -1.0 for 
> https://ourserver.intranet/artifactory/libs-release
> [DEBUG] Using connector BasicRepositoryConnector with priority 0.0 for 
> https://ourserver.intranet/artifactory/libs-release with username=reader, 
> password=***
> Downloading: 
> https://ourserver.intranet/artifactory/libs-release/org/jboss/arquillian/arquillian-bom/1.1.9.Final/arquillian-bom-1.1.9.Final.pom
> 4/11 KB   
> 8/11 KB   
> 9/11 KB   
> 11/11 KB   
>            
> Downloaded: 
> https://ourserver.intranet/artifactory/libs-release/org/jboss/arquillian/arquillian-bom/1.1.9.Final/arquillian-bom-1.1.9.Final.pom
>  (11 KB at 30.2 KB/sec)
> [DEBUG] Writing tracking file 
> C:\MavenRepo\org\jboss\arquillian\arquillian-bom\1.1.9.Final\_remote.repositories
> [DEBUG] Writing tracking file 
> C:\MavenRepo\org\jboss\arquillian\arquillian-bom\1.1.9.Final\arquillian-bom-1.1.9.Final.pom.lastUpdated
> [DEBUG] Using transporter WagonTransporter with priority -1.0 for 
> https://repo.maven.apache.org/maven2
> [DEBUG] Using connector BasicRepositoryConnector with priority 0.0 for 
> https://repo.maven.apache.org/maven2 with username=reader, password=***
> Downloading: 
> https://repo.maven.apache.org/maven2/org/jboss/shrinkwrap/shrinkwrap-bom/1.2.2/shrinkwrap-bom-1.2.2.pom
>            
> [DEBUG] Writing tracking file 
> C:\MavenRepo\org\jboss\shrinkwrap\shrinkwrap-bom\1.2.2\shrinkwrap-bom-1.2.2.pom.lastUpdated
> [DEBUG] Using transporter WagonTransporter with priority -1.0 for 
> https://repo.maven.apache.org/maven2
> [DEBUG] Using connector BasicRepositoryConnector with priority 0.0 for 
> https://repo.maven.apache.org/maven2 with username=reader, password=***
> Downloading: 
> https://repo.maven.apache.org/maven2/org/jboss/shrinkwrap/resolver/shrinkwrap-resolver-bom/2.1.1/shrinkwrap-resolver-bom-2.1.1.pom
>            
> [DEBUG] Writing tracking file 
> C:\MavenRepo\org\jboss\shrinkwrap\resolver\shrinkwrap-resolver-bom\2.1.1\shrinkwrap-resolver-bom-2.1.1.pom.lastUpdated
> [DEBUG] Using transporter WagonTransporter with priority -1.0 for 
> https://repo.maven.apache.org/maven2
> [DEBUG] Using connector BasicRepositoryConnector with priority 0.0 for 
> https://repo.maven.apache.org/maven2 with username=reader, password=***
> Downloading: 
> https://repo.maven.apache.org/maven2/org/jboss/shrinkwrap/descriptors/shrinkwrap-descriptors-bom/2.0.0-alpha-7/shrinkwrap-descriptors-bom-2.0.0-alpha-7.pom
>            
> [DEBUG] Writing tracking file 
> C:\MavenRepo\org\jboss\shrinkwrap\descriptors\shrinkwrap-descriptors-bom\2.0.0-alpha-7\shrinkwrap-descriptors-bom-2.0.0-alpha-7.pom.lastUpdated
> [DEBUG] Dependency collection stats: {ConflictMarker.analyzeTime=0, 
> ConflictMarker.markTime=0, ConflictMarker.nodeCount=2, 
> ConflictIdSorter.graphTime=0, ConflictIdSorter.topsortTime=0, 
> ConflictIdSorter.conflictIdCount=1, ConflictIdSorter.conflictIdCycleCount=0, 
> ConflictResolver.totalTime=16, ConflictResolver.conflictItemCount=1, 
> DefaultDependencyCollector.collectTime=748, 
> DefaultDependencyCollector.transformTime=16}
> [INFO] 
> ------------------------------------------------------------------------
> [INFO] BUILD FAILURE
> [INFO] 
> ------------------------------------------------------------------------
> [INFO] Total time: 1.139 s
> [INFO] Finished at: 2016-09-06T12:35:32+02:00
> [INFO] Final Memory: 9M/150M
> [INFO] 
> ------------------------------------------------------------------------
> [ERROR] Failed to execute goal on project foobar: Could not resolve 
> dependencies for project foobar:foobar:jar:0.0: Failed to collect 
> dependencies at org.hibernate:hibernate-validator:jar:5.2.4.Final: Failed to 
> read artifact descriptor for 
> org.hibernate:hibernate-validator:jar:5.2.4.Final: Could not transfer 
> artifact org.jboss.shrinkwrap:shrinkwrap-bom:pom:1.2.2 from/to central 
> (https://repo.maven.apache.org/maven2): repo.maven.apache.org: Unknown host 
> repo.maven.apache.org -> [Help 1]
> org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute 
> goal on project foobar: Could not resolve dependencies for project 
> foobar:foobar:jar:0.0: Failed to collect dependencies at 
> org.hibernate:hibernate-validator:jar:5.2.4.Final
>       at 
> org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDependencies(LifecycleDependencyResolver.java:221)
>       at 
> org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.resolveProjectDependencies(LifecycleDependencyResolver.java:127)
>       at 
> org.apache.maven.lifecycle.internal.MojoExecutor.ensureDependenciesAreResolved(MojoExecutor.java:245)
>       at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:199)
>       at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
>       at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
>       at 
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
>       at 
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
>       at 
> org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
>       at 
> org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
>       at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)
>       at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)
>       at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)
>       at org.apache.maven.cli.MavenCli.execute(MavenCli.java:863)
>       at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:288)
>       at org.apache.maven.cli.MavenCli.main(MavenCli.java:199)
>       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>       at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>       at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>       at java.lang.reflect.Method.invoke(Method.java:498)
>       at 
> org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
>       at 
> org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
>       at 
> org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
>       at 
> org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
> Caused by: org.apache.maven.project.DependencyResolutionException: Could not 
> resolve dependencies for project foobar:foobar:jar:0.0: Failed to collect 
> dependencies at org.hibernate:hibernate-validator:jar:5.2.4.Final
>       at 
> org.apache.maven.project.DefaultProjectDependenciesResolver.resolve(DefaultProjectDependenciesResolver.java:180)
>       at 
> org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDependencies(LifecycleDependencyResolver.java:195)
>       ... 23 more
> Caused by: org.eclipse.aether.collection.DependencyCollectionException: 
> Failed to collect dependencies at 
> org.hibernate:hibernate-validator:jar:5.2.4.Final
>       at 
> org.eclipse.aether.internal.impl.DefaultDependencyCollector.collectDependencies(DefaultDependencyCollector.java:291)
>       at 
> org.eclipse.aether.internal.impl.DefaultRepositorySystem.collectDependencies(DefaultRepositorySystem.java:316)
>       at 
> org.apache.maven.project.DefaultProjectDependenciesResolver.resolve(DefaultProjectDependenciesResolver.java:172)
>       ... 24 more
> Caused by: org.eclipse.aether.resolution.ArtifactDescriptorException: Failed 
> to read artifact descriptor for 
> org.hibernate:hibernate-validator:jar:5.2.4.Final
>       at 
> org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.loadPom(DefaultArtifactDescriptorReader.java:329)
>       at 
> org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.readArtifactDescriptor(DefaultArtifactDescriptorReader.java:198)
>       at 
> org.eclipse.aether.internal.impl.DefaultDependencyCollector.resolveCachedArtifactDescriptor(DefaultDependencyCollector.java:535)
>       at 
> org.eclipse.aether.internal.impl.DefaultDependencyCollector.getArtifactDescriptorResult(DefaultDependencyCollector.java:519)
>       at 
> org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:409)
>       at 
> org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:363)
>       at 
> org.eclipse.aether.internal.impl.DefaultDependencyCollector.process(DefaultDependencyCollector.java:351)
>       at 
> org.eclipse.aether.internal.impl.DefaultDependencyCollector.collectDependencies(DefaultDependencyCollector.java:254)
>       ... 26 more
> Caused by: org.apache.maven.model.resolution.UnresolvableModelException: 
> Could not transfer artifact org.jboss.shrinkwrap:shrinkwrap-bom:pom:1.2.2 
> from/to central (https://repo.maven.apache.org/maven2): repo.maven.apache.org
>       at 
> org.apache.maven.repository.internal.DefaultModelResolver.resolveModel(DefaultModelResolver.java:177)
>       at 
> org.apache.maven.model.building.DefaultModelBuilder.importDependencyManagement(DefaultModelBuilder.java:1192)
>       at 
> org.apache.maven.model.building.DefaultModelBuilder.build(DefaultModelBuilder.java:455)
>       at 
> org.apache.maven.model.building.DefaultModelBuilder.build(DefaultModelBuilder.java:421)
>       at 
> org.apache.maven.model.building.DefaultModelBuilder.build(DefaultModelBuilder.java:411)
>       at 
> org.apache.maven.model.building.DefaultModelBuilder.importDependencyManagement(DefaultModelBuilder.java:1226)
>       at 
> org.apache.maven.model.building.DefaultModelBuilder.build(DefaultModelBuilder.java:455)
>       at 
> org.apache.maven.model.building.DefaultModelBuilder.build(DefaultModelBuilder.java:421)
>       at 
> org.apache.maven.model.building.DefaultModelBuilder.build(DefaultModelBuilder.java:411)
>       at 
> org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.loadPom(DefaultArtifactDescriptorReader.java:320)
>       ... 33 more
> Caused by: org.eclipse.aether.resolution.ArtifactResolutionException: Could 
> not transfer artifact org.jboss.shrinkwrap:shrinkwrap-bom:pom:1.2.2 from/to 
> central (https://repo.maven.apache.org/maven2): repo.maven.apache.org
>       at 
> org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:444)
>       at 
> org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts(DefaultArtifactResolver.java:246)
>       at 
> org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifact(DefaultArtifactResolver.java:223)
>       at 
> org.apache.maven.repository.internal.DefaultModelResolver.resolveModel(DefaultModelResolver.java:173)
>       ... 42 more
> Caused by: org.eclipse.aether.transfer.ArtifactTransferException: Could not 
> transfer artifact org.jboss.shrinkwrap:shrinkwrap-bom:pom:1.2.2 from/to 
> central (https://repo.maven.apache.org/maven2): repo.maven.apache.org
>       at 
> org.eclipse.aether.connector.basic.ArtifactTransportListener.transferFailed(ArtifactTransportListener.java:43)
>       at 
> org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run(BasicRepositoryConnector.java:355)
>       at 
> org.eclipse.aether.util.concurrency.RunnableErrorForwarder$1.run(RunnableErrorForwarder.java:67)
>       at 
> org.eclipse.aether.connector.basic.BasicRepositoryConnector$DirectExecutor.execute(BasicRepositoryConnector.java:581)
>       at 
> org.eclipse.aether.connector.basic.BasicRepositoryConnector.get(BasicRepositoryConnector.java:249)
>       at 
> org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads(DefaultArtifactResolver.java:520)
>       at 
> org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:421)
>       ... 45 more
> Caused by: org.apache.maven.wagon.TransferFailedException: 
> repo.maven.apache.org
>       at 
> org.apache.maven.wagon.providers.http.AbstractHttpClientWagon.fillInputData(AbstractHttpClientWagon.java:1066)
>       at 
> org.apache.maven.wagon.providers.http.AbstractHttpClientWagon.fillInputData(AbstractHttpClientWagon.java:960)
>       at 
> org.apache.maven.wagon.StreamWagon.getInputStream(StreamWagon.java:116)
>       at org.apache.maven.wagon.StreamWagon.getIfNewer(StreamWagon.java:88)
>       at org.apache.maven.wagon.StreamWagon.get(StreamWagon.java:61)
>       at 
> org.eclipse.aether.transport.wagon.WagonTransporter$GetTaskRunner.run(WagonTransporter.java:560)
>       at 
> org.eclipse.aether.transport.wagon.WagonTransporter.execute(WagonTransporter.java:427)
>       at 
> org.eclipse.aether.transport.wagon.WagonTransporter.get(WagonTransporter.java:404)
>       at 
> org.eclipse.aether.connector.basic.BasicRepositoryConnector$GetTaskRunner.runTask(BasicRepositoryConnector.java:447)
>       at 
> org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run(BasicRepositoryConnector.java:350)
>       ... 50 more
> Caused by: java.net.UnknownHostException: repo.maven.apache.org
>       at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)
>       at java.net.InetAddress$2.lookupAllHostAddr(InetAddress.java:928)
>       at 
> java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1323)
>       at java.net.InetAddress.getAllByName0(InetAddress.java:1276)
>       at java.net.InetAddress.getAllByName(InetAddress.java:1192)
>       at java.net.InetAddress.getAllByName(InetAddress.java:1126)
>       at 
> org.apache.maven.wagon.providers.http.httpclient.impl.conn.SystemDefaultDnsResolver.resolve(SystemDefaultDnsResolver.java:44)
>       at 
> org.apache.maven.wagon.providers.http.httpclient.impl.conn.HttpClientConnectionOperator.connect(HttpClientConnectionOperator.java:101)
>       at 
> org.apache.maven.wagon.providers.http.httpclient.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:318)
>       at 
> org.apache.maven.wagon.providers.http.httpclient.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:363)
>       at 
> org.apache.maven.wagon.providers.http.httpclient.impl.execchain.MainClientExec.execute(MainClientExec.java:219)
>       at 
> org.apache.maven.wagon.providers.http.httpclient.impl.execchain.ProtocolExec.execute(ProtocolExec.java:195)
>       at 
> org.apache.maven.wagon.providers.http.httpclient.impl.execchain.RetryExec.execute(RetryExec.java:86)
>       at 
> org.apache.maven.wagon.providers.http.httpclient.impl.execchain.RedirectExec.execute(RedirectExec.java:108)
>       at 
> org.apache.maven.wagon.providers.http.httpclient.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:184)
>       at 
> org.apache.maven.wagon.providers.http.httpclient.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82)
>       at 
> org.apache.maven.wagon.providers.http.AbstractHttpClientWagon.execute(AbstractHttpClientWagon.java:832)
>       at 
> org.apache.maven.wagon.providers.http.AbstractHttpClientWagon.fillInputData(AbstractHttpClientWagon.java:983)
>       ... 59 more
> [ERROR] 
> [ERROR] 
> [ERROR] For more information about the errors and possible solutions, please 
> read the following articles:
> [ERROR] [Help 1] 
> http://cwiki.apache.org/confluence/display/MAVEN/DependencyResolutionException
> {noformat}



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