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Downloading: https://repository.jboss.org/nexus/content/repositories/snapshots/com/goo... [WARNING] Could not transfer metadata com.googlecode.maven-download-plugin:maven-download-plugin:0.2-SNAPSHOT/maven-metadata.xml from/to sonatype-public-grid (https://repository.sonatype.org/content/groups/sonatype-public-grid): Failed to transfer file: https://repository.sonatype.org/content/groups/sonatype-public-grid/com/g.... Return code is: 500, ReasonPhrase:Server Error. [WARNING] Could not transfer metadata com.googlecode.maven-download-plugin:maven-download-plugin:0.2-SNAPSHOT/maven-metadata.xml from/to sonatype-public-repository (https://oss.sonatype.org/content/groups/public): Failed to transfer file: https://oss.sonatype.org/content/groups/public/com/googlecode/maven-downl.... Return code is: 502, ReasonPhrase:Bad Gateway. [WARNING] Failure to transfer com.googlecode.maven-download-plugin:maven-download-plugin:0.2-SNAPSHOT/maven-metadata.xml from https://repository.sonatype.org/content/groups/sonatype-public-grid was cached in the local repository, resolution will not be reattempted until the update interval of sonatype-public-grid has elapsed or updates are forced. Original error: Could not transfer metadata com.googlecode.maven-download-plugin:maven-download-plugin:0.2-SNAPSHOT/maven-metadata.xml from/to sonatype-public-grid (https://repository.sonatype.org/content/groups/sonatype-public-grid): Failed to transfer file: https://repository.sonatype.org/content/groups/sonatype-public-grid/com/g.... Return code is: 500, ReasonPhrase:Server Error. [WARNING] Failure to transfer com.googlecode.maven-download-plugin:maven-download-plugin:0.2-SNAPSHOT/maven-metadata.xml from https://oss.sonatype.org/content/groups/public was cached in the local repository, resolution will not be reattempted until the update interval of sonatype-public-repository has elapsed or updates are forced. Original error: Could not transfer metadata com.googlecode.maven-download-plugin:maven-download-plugin:0.2-SNAPSHOT/maven-metadata.xml from/to sonatype-public-repository (https://oss.sonatype.org/content/groups/public): Failed to transfer file: https://oss.sonatype.org/content/groups/public/com/googlecode/maven-downl.... Return code is: 502, ReasonPhrase:Bad Gateway. Downloading: http://snapshots.jboss.org/maven2/com/googlecode/maven-download-plugin/ma... Downloading: https://repository.jboss.org/nexus/content/groups/developer/com/googlecod... Downloading: https://repository.sonatype.org/content/groups/sonatype-public-grid/com/g... Downloading: https://oss.sonatype.org/content/groups/public/com/googlecode/maven-downl... Downloading: https://repository.jboss.org/nexus/content/repositories/releases/com/goog... Downloading: https://repository.jboss.org/nexus/content/repositories/snapshots/com/goo... [ERROR] Internal error: java.lang.RuntimeException: org.apache.maven.MavenExecutionException: Could not setup plugin ClassRealm: Plugin com.googlecode.maven-download-plugin:maven-download-plugin:0.2-SNAPSHOT or one of its dependencies could not be resolved: Failed to read artifact descriptor for com.googlecode.maven-download-plugin:maven-download-plugin:jar:0.2-SNAPSHOT: Could not transfer artifact com.googlecode.maven-download-plugin:maven-download-plugin:pom:0.2-SNAPSHOT from/to sonatype-public-repository (https://oss.sonatype.org/content/groups/public): Failed to transfer file: https://oss.sonatype.org/content/groups/public/com/googlecode/maven-downl.... Return code is: 502, ReasonPhrase:Bad Gateway. -> [Help 1] org.apache.maven.InternalErrorException: Internal error: java.lang.RuntimeException: org.apache.maven.MavenExecutionException: Could not setup plugin ClassRealm at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:168) at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537) at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196) at org.apache.maven.cli.MavenCli.main(MavenCli.java:141) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290) at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230) at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409) at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352) Caused by: java.lang.RuntimeException: org.apache.maven.MavenExecutionException: Could not setup plugin ClassRealm at org.eclipse.tycho.p2.resolver.P2TargetPlatformResolver.getDependencyMetadata(P2TargetPlatformResolver.java:166) at org.eclipse.tycho.p2.resolver.P2TargetPlatformResolver.setupProjects(P2TargetPlatformResolver.java:128) at org.eclipse.tycho.core.resolver.DefaultTychoDependencyResolver.setupProject(DefaultTychoDependencyResolver.java:81) at org.eclipse.tycho.core.maven.TychoMavenLifecycleParticipant.afterProjectsRead(TychoMavenLifecycleParticipant.java:77) at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:274) at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156) ... 11 more Caused by: org.apache.maven.MavenExecutionException: Could not setup plugin ClassRealm at org.eclipse.tycho.core.maven.utils.PluginRealmHelper.newMavenExecutionException(PluginRealmHelper.java:134) at org.eclipse.tycho.core.maven.utils.PluginRealmHelper.execute(PluginRealmHelper.java:123) at org.eclipse.tycho.p2.resolver.P2TargetPlatformResolver.getDependencyMetadata(P2TargetPlatformResolver.java:146) ... 16 more Caused by: org.apache.maven.plugin.PluginResolutionException: Plugin com.googlecode.maven-download-plugin:maven-download-plugin:0.2-SNAPSHOT or one of its dependencies could not be resolved: Failed to read artifact descriptor for com.googlecode.maven-download-plugin:maven-download-plugin:jar:0.2-SNAPSHOT at org.apache.maven.plugin.internal.DefaultPluginDependenciesResolver.resolve(DefaultPluginDependenciesResolver.java:129) at org.apache.maven.plugin.internal.DefaultMavenPluginManager.getPluginDescriptor(DefaultMavenPluginManager.java:142) at org.eclipse.tycho.core.maven.utils.PluginRealmHelper.execute(PluginRealmHelper.java:86) ... 17 more Caused by: org.sonatype.aether.resolution.ArtifactDescriptorException: Failed to read artifact descriptor for com.googlecode.maven-download-plugin:maven-download-plugin:jar:0.2-SNAPSHOT at org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.loadPom(DefaultArtifactDescriptorReader.java:296) at org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.readArtifactDescriptor(DefaultArtifactDescriptorReader.java:186) at org.sonatype.aether.impl.internal.DefaultRepositorySystem.readArtifactDescriptor(DefaultRepositorySystem.java:279) at org.apache.maven.plugin.internal.DefaultPluginDependenciesResolver.resolve(DefaultPluginDependenciesResolver.java:115) ... 19 more Caused by: org.sonatype.aether.resolution.ArtifactResolutionException: Could not transfer artifact com.googlecode.maven-download-plugin:maven-download-plugin:pom:0.2-SNAPSHOT from/to sonatype-public-repository (https://oss.sonatype.org/content/groups/public): Failed to transfer file: https://oss.sonatype.org/content/groups/public/com/googlecode/maven-downl.... Return code is: 502, ReasonPhrase:Bad Gateway. at org.sonatype.aether.impl.internal.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:538) at org.sonatype.aether.impl.internal.DefaultArtifactResolver.resolveArtifacts(DefaultArtifactResolver.java:216) at org.sonatype.aether.impl.internal.DefaultArtifactResolver.resolveArtifact(DefaultArtifactResolver.java:193) at org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.loadPom(DefaultArtifactDescriptorReader.java:281) ... 22 more Caused by: org.sonatype.aether.transfer.ArtifactTransferException: Could not transfer artifact com.googlecode.maven-download-plugin:maven-download-plugin:pom:0.2-SNAPSHOT from/to sonatype-public-repository (https://oss.sonatype.org/content/groups/public): Failed to transfer file: https://oss.sonatype.org/content/groups/public/com/googlecode/maven-downl.... Return code is: 502, ReasonPhrase:Bad Gateway. at org.sonatype.aether.connector.wagon.WagonRepositoryConnector$4.wrap(WagonRepositoryConnector.java:951) at org.sonatype.aether.connector.wagon.WagonRepositoryConnector$4.wrap(WagonRepositoryConnector.java:941) at org.sonatype.aether.connector.wagon.WagonRepositoryConnector$GetTask.run(WagonRepositoryConnector.java:669) at org.sonatype.aether.util.concurrency.RunnableErrorForwarder$1.run(RunnableErrorForwarder.java:60) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918) at java.lang.Thread.run(Thread.java:662) Caused by: org.apache.maven.wagon.TransferFailedException: Failed to transfer file: https://oss.sonatype.org/content/groups/public/com/googlecode/maven-downl.... Return code is: 502, ReasonPhrase:Bad Gateway. at org.apache.maven.wagon.shared.http4.AbstractHttpClientWagon.fillInputData(AbstractHttpClientWagon.java:852) at org.apache.maven.wagon.StreamWagon.getInputStream(StreamWagon.java:116) at org.apache.maven.wagon.StreamWagon.getIfNewer(StreamWagon.java:88) at org.apache.maven.wagon.StreamWagon.get(StreamWagon.java:61) at org.sonatype.aether.connector.wagon.WagonRepositoryConnector$GetTask.run(WagonRepositoryConnector.java:601) ... 4 more [ERROR] [ERROR] Re-run Maven using the -X switch to enable full debug logging. [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/InternalErrorException Build step 'Invoke top-level Maven targets' marked build as failure Xvfb stopping Archiving artifacts Recording test results Description set: