Maven

1. Connection timed out when getting artifacts from server repository.

Case

mvn archetype:create -X -s C:\Source_Control\apache-maven-3.2.3\conf\settings.xml

 

[WARNING] Failure to transfer org.codehaus.mojo/maven-metadata.xml from https://repo.maven.apache.org/maven2 was cached in the local repository, resolution will not be reattempted until the update interval of central has elapsed or updates are forced. Original error: Could not transfer metadata org.codehaus.mojo/maven-metadata.xml from/to central (https://repo.maven.apache.org/maven2): Connect to repo.maven.apache.org:443 [repo.maven.apache.org/23.235.47.215] failed: Connection timed out: connect

org.eclipse.aether.transfer.MetadataTransferException: Failure to transfer org.codehaus.mojo/maven-metadata.xml from https://repo.maven.apache.org/maven2 was cached in the local repository, resolution will not be reattempted until the update interval of central has elapsed or updates are forced. Original error: Could not transfer metadata org.codehaus.mojo/maven-metadata.xml from/to central (https://repo.maven.apache.org/maven2): Connect to repo.maven.apache.org:443 [repo.maven.apache.org/23.235.47.215] failed: Connection timed out: connect

        at org.eclipse.aether.internal.impl.DefaultUpdateCheckManager.newException(DefaultUpdateCheckManager.java:379)

        at org.eclipse.aether.internal.impl.DefaultUpdateCheckManager.checkMetadata(DefaultUpdateCheckManager.java:317)

        at org.eclipse.aether.internal.impl.DefaultMetadataResolver.resolve(DefaultMetadataResolver.java:345)

        at org.eclipse.aether.internal.impl.DefaultMetadataResolver.resolveMetadata(DefaultMetadataResolver.java:218)

        at org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveMetadata(DefaultRepositorySystem.java:310)

        at org.apache.maven.plugin.prefix.internal.DefaultPluginPrefixResolver.resolveFromRepository(DefaultPluginPrefixResolver.java:202)

        at org.apache.maven.plugin.prefix.internal.DefaultPluginPrefixResolver.resolve(DefaultPluginPrefixResolver.java:89)

        at org.apache.maven.lifecycle.internal.MojoDescriptorCreator.findPluginForPrefix(MojoDescriptorCreator.java:260)

        at org.apache.maven.lifecycle.internal.MojoDescriptorCreator.getMojoDescriptor(MojoDescriptorCreator.java:220)

        at org.apache.maven.lifecycle.internal.DefaultLifecycleTaskSegmentCalculator.calculateTaskSegments(DefaultLifecycleTaskSegmentCalculator.java:103)

        at org.apache.maven.lifecycle.internal.DefaultLifecycleTaskSegmentCalculator.calculateTaskSegments(DefaultLifecycleTaskSegmentCalculator.java:83)

        at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:85)

        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:347)

        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:154)

        at org.apache.maven.cli.MavenCli.execute(MavenCli.java:582)

        at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:214)

        at org.apache.maven.cli.MavenCli.main(MavenCli.java:158)

        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:60)

        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)

        at java.lang.reflect.Method.invoke(Method.java:611)

        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)

 

Solution:

ddf