maven：UnknownHostException：repo.maven.apache.org [复制]

这个问题在这里已有答案：

• Maven install error: Dependency could not be resolved 5个答案

我有这个maven问题：

[错误]插件org.apache.maven.plugins：maven-resources-plugin：2.6或其中一个依赖项无法解析：无法读取org.apache.maven.plugins的工件描述符：maven-resources-plugin： jar：2.6：无法传输工件org.apache.maven.plugins：maven-resources-plugin：pom：2.6 from / to central（http://repo.maven.apache.org/maven2）：repo.maven.apache .org：未知主机repo.maven.apache.org - > [帮助1] org.apache.maven.plugin.PluginResolutionException：插件org.apache.maven.plugins：maven-resources-plugin：2.6或其中一个依赖项可以无法解决：无法读取org.apache.maven.plugins的工件描述符：maven-resources-plugin：jar：2.6 at org.apache.maven.plugin.internal.DefaultPluginDependenciesResolver.resolve（DefaultPluginDependenciesResolver.java:129）at org org.apache.maven.plugin.internal.DefaultMavenPluginManager.getMojoDescriptor（D）中的.apache.maven.plugin.internal.DefaultMavenPluginManager.getPluginDescriptor（DefaultMavenPluginManager.java:142）位于org.apache的org.apache.maven.maven.plugin.DefaultBuildPluginManager.getMojoManager上的org.apache.maven.lifecycle.internal.DefaultLifecycleExecutionPlanCalculator.setupMojoExecution（DefaultLifecycleExecutionPlanCalculator.java:152）的orf.apache.maven.plugin.DefaultBuildPluginManager.getMojoDescriptor（efaultMavenPluginManager.java:261） .maven.lifecycle.internal.DefaultLifecycleExecutionPlanCalculator.setupMojoExecutions（DefaultLifecycleExecutionPlanCalculator.java:139）在org.apache.maven.lifecycle.internal.DefaultLifecycleExecutionPlanCalculator.calculateExecutionPlan（DefaultLifecycleExecutionPlanCalculator.java:116）在org.apache.maven.lifecycle.internal.DefaultLifecycleExecutionPlanCalculator .calculateExecutionPlan（DefaultLifecycleExecutionPlanCalculator.java:129）org.apache.maven.lifecycle.internal.BuilderCommon.resolveBuildPlan（BuilderCommon.java:92）org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject（LifecycleModuleBuilder.java:81 ）org.apache.maven.lifecycle.internal.LifecycleModuleBui lder.buildProject（LifecycleModuleBuilder.java:59）org.apache.maven.life.internal.LifecycleStarter.singleThreadedBuild（LifecycleStarter.java:183）org.apache.maven.lifecycle.internal.LifecycleStarter.execute（LifecycleStarter.java： 161）org.apache.maven.maven.DefaultMaven.exe执行中的org.apache.maven.DefaultMaven.doExecute（DefaultMaven.java:320）org.apache.maven.Maven.cli.MavenCli.execute（MavenCli） .java：537）org.apache.maven.cli.MavenCli.doMain（MavenCli.java:196）atg.apache.maven.cli.MavenCli.main（MavenCli.java:141）at sun.reflect.NativeMethodAccessorImpl . 在sun.reflect.NativeMethodAccessorImpl.invoke（NativeMethodAccessorImpl.java:57）的sun.reflect.DelegatingMethodAccessorImpl.invoke（DelegatingMethodAccessorImpl.java:43）的java.lang.reflect.Method.invoke上的invoke0（Native Method）（Method.java： 622）org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced（Launcher.java:290）at org.codehaus.plexus.classworlds.launcher.Launcher.launch（Launcher.java:230） org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode（Launcher.java:409）at org.codehaus.plexus.classworlds.launcher.Launcher.main（Launcher.java:352）引起：org.sonatype.aether .resolution.ArtifactDescriptorException：无法读取org.apache.maven.plugins的工件描述符：maven-resources-plugin：jar：2.6 at org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.loadPom（DefaultArtifactDescriptorReader.java:296）at Org.apache.mapository.inpository.DefaultArtifactDescriptorReader.readArtifactDescriptor（DefaultArtifactDescriptorReader.java:186）位于org.apache.maven.plugin的org.sonatype.aether.impl.internal.DefaultRepositorySystem.readArtifactDescriptor（DefaultRepositorySystem.java:279） . internal.DefaultPluginDependenciesResolver.resolve（DefaultPluginDependenciesResolver.java:115）... 25更多引起：org.sonatype.aether.resolution.ArtifactResolutionException：无法传输工件org.apache.maven.plugins：maven-resources-plugin：pom： 2.6 f rom / to central（http://repo.maven.apache.org/maven2）：repo.maven.apache.org at org.sonatype.aether.impl.internal.DefaultArtifactResolver.resolve（DefaultArtifactResolver.java:538）at org .sonatype.aether.impl.internal.DefaultArtifactResolver.resolveArtifacts（DefaultArtifactResolver.java:216）at atorg.apache.aether.inmpl.internal.DefaultArtifactResolver.resolveArtifact（DefaultArtifactResolver.java:193）at org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.loadPom（DefaultArtifactDescriptorReader.java:281）... 28更多引起：org .sonatype.aether.transfer.ArtifactTransferException：无法传输工件org.apache.maven.plugins：maven-resources-plugin：pom：2.6 from / to central（http://repo.maven.apache.org/maven2）： repo.maven.apache.org at org.sonatype.aether.connector.wagon.WagonRepositoryConnector $ 4.wrap（WagonRepositoryConnector.java:951）at org.sonatype.aether.connector.wagon.WagonRepositoryConnector $ 4.wrap（WagonRepositoryConnector.java:939 ）atg.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 java.util.concurrent中的.concurrent.ThreadPoolExecutor.runWorker（ThreadPoolExecutor.java:1146） .ThreadPoolExecutor $ Worker.run（ThreadPoolExecutor.java:615）at java.lang.Thread.run（Thread.java:701）引起：org.apache.maven.wagon.TransferFailedException：repo.maven.apache.org at org位于org.apache.maven.wagon.StreamWagon的org.apache.maven.wagon.StreamWagon.getInputStream（StreamWagon.java:116）的.apache.maven.wagon.shared.http.AbstractHttpClientWagon.fillInputData（AbstractHttpClientWagon.java:567） .getIfNewer（StreamWagon.java:88）org.apache.maven.wagon.StreamWagon.get（StreamWagon.java:61）at org.sonatype.aether.connector.wagon.WagonRepositoryConnector $ GetTask.run（WagonRepositoryConnector.java:601 ）... 4更多引起：java.net.UnknownHostException：java.net.SocksSocketImpl.connect（AbstractPlainSocketImpl.java:175）中的repo.maven.apache.org java.net.SocksSocketImpl.connect（SocksSocketImpl.java： 385）java.net.Socket.connect（Socket.java:546）at java.net.Socket.connect（Socket.java:495）at java.net.Socket . （Socket.java:392）at java.net .socket . （Socket.java:266）在org.apach e.commons.httpclient.protocol.DefaultProtocolSocketFactory.createSocket（DefaultProtocolSocketFactory.java:80）位于org.apache.commons.httpclient.HttpConnection的org.apache.commons.httpclient.protocol.DefaultProtocolSocketFactory.createSocket（DefaultProtocolSocketFactory.java:122） . 打开（HttpConnection.java:707）org.apache.commons.httpclient.MultiThreadedHttpConnectionManager $ HttpConnectionAdapter.open（MultiThreadedHttpConnectionManager.java:1361）org.apache.commons.httpclient.HttpMethodDirector.executeWithRetry（HttpMethodDirector.java:387）at org .apache.commons.httpclient.HttpMethodDirector.executeMethod（HttpMethodDirector.java:171）org.apache.commons.httpclient.HttpClient.executeMethod（HttpClient.java:397）org.apache.commons.httpclient.HttpClient.executeMethod（HttpClient） .java：323）org.apache.maven.wagon.shared.http.AbstractHttpClientWagon.execute（AbstractHttpClientWagon.java:446）at org.apache.maven.wagon.shared.http.AbstractHttpClientWagon.fillInputData（AbstractHttpClien） tWagon.java:561）......还有8个

我有互联网连接 . 而且我不是代理人 .