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不知道是国内的网络的问题还是别的原因，在deploy一个maven的artifact到oss server的时候总是报错：
Failed to execute goal org.sonatype.plugins:nexus-staging-maven-plugin:1.6.7:deploy (injected-nexus-deploy) on project becauseQA-utils: Remote staging failed: Failed to deploy artifacts: Could not transfer artifact com.github.becauseQA:becauseQA-utils:jar:sources:1.0.1 from/to nexus (https://oss.sonatype.org:443/service/local/staging/deployByRepositoryId/comgithubbecauseqa-1023): connect timed out -> [Help 1] org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.sonatype.plugins:nexus-staging-maven-plugin:1.6.7:deploy (injected-nexus-deploy) on project becauseQA-utils: Remote staging failed: Failed to deploy artifacts: Could not transfer artifact com.github.becauseQA:becauseQA-utils:jar:sources:1.0.1 from/to nexus (https://oss.sonatype.org:443/service/local/staging/deployByRepositoryId/comgithubbecauseqa-1023): connect timed out at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:212) 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.plugin.MojoExecutionException: Remote staging failed: Failed to deploy artifacts: Could not transfer artifact com.github.becauseQA:becauseQA-utils:jar:sources:1.0.1 from/to nexus (https://oss.sonatype.org:443/service/local/staging/deployByRepositoryId/comgithubbecauseqa-1023): connect timed out at org.sonatype.nexus.maven.staging.deploy.DeployMojo.execute(DeployMojo.java:216) at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134) at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:207) ... 20 more Caused by: org.apache.maven.artifact.deployer.ArtifactDeploymentException: Remote staging failed: Failed to deploy artifacts: Could not transfer artifact com.github.becauseQA:becauseQA-utils:jar:sources:1.0.1 from/to nexus (https://oss.sonatype.org:443/service/local/staging/deployByRepositoryId/comgithubbecauseqa-1023): connect timed out at org.sonatype.nexus.maven.staging.deploy.strategy.StagingDeployStrategy.finalizeDeploy(StagingDeployStrategy.java:155) at org.sonatype.nexus.maven.staging.deploy.DeployMojo.execute(DeployMojo.java:213) ... 22 more Caused by: org.apache.maven.artifact.deployer.ArtifactDeploymentException: Failed to deploy artifacts: Could not transfer artifact com.github.becauseQA:becauseQA-utils:jar:sources:1.0.1 from/to nexus (https://oss.sonatype.org:443/service/local/staging/deployByRepositoryId/comgithubbecauseqa-1023): connect timed out at org.apache.maven.artifact.deployer.DefaultArtifactDeployer.deploy(DefaultArtifactDeployer.java:143) at org.sonatype.nexus.maven.staging.deploy.strategy.AbstractDeployStrategy.deployUp(AbstractDeployStrategy.java:213) at org.sonatype.nexus.maven.staging.deploy.strategy.StagingDeployStrategy.finalizeDeploy(StagingDeployStrategy.java:125) ... 23 more Caused by: org.eclipse.aether.deployment.DeploymentException: Failed to deploy artifacts: Could not transfer artifact com.github.becauseQA:becauseQA-utils:jar:sources:1.0.1 from/to nexus (https://oss.sonatype.org:443/service/local/staging/deployByRepositoryId/comgithubbecauseqa-1023): connect timed out at org.eclipse.aether.internal.impl.DefaultDeployer.deploy(DefaultDeployer.java:317) at org.eclipse.aether.internal.impl.DefaultDeployer.deploy(DefaultDeployer.java:245) at org.eclipse.aether.internal.impl.DefaultRepositorySystem.deploy(DefaultRepositorySystem.java:413) at org.apache.maven.artifact.deployer.DefaultArtifactDeployer.deploy(DefaultArtifactDeployer.java:139) ... 25 more Caused by: org.eclipse.aether.transfer.ArtifactTransferException: Could not transfer artifact com.github.becauseQA:becauseQA-utils:jar:sources:1.0.1 from/to nexus (https://oss.sonatype.org:443/service/local/staging/deployByRepositoryId/comgithubbecauseqa-1023): connect timed out at io.takari.aether.connector.AetherRepositoryConnector$2.wrap(AetherRepositoryConnector.java:895) at io.takari.aether.connector.AetherRepositoryConnector$2.wrap(AetherRepositoryConnector.java:1) at io.takari.aether.connector.AetherRepositoryConnector$PutTask.flush(AetherRepositoryConnector.java:743) at io.takari.aether.connector.AetherRepositoryConnector.put(AetherRepositoryConnector.java:345) at org.eclipse.aether.internal.impl.DefaultDeployer.deploy(DefaultDeployer.java:311) ... 28 more Caused by: java.net.SocketTimeoutException: connect timed out at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:85) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at com.squareup.okhttp.internal.Platform.connectSocket(Platform.java:100) at com.squareup.okhttp.Connection.connectSocket(Connection.java:196) at com.squareup.okhttp.Connection.connect(Connection.java:172) at com.squareup.okhttp.Connection.connectAndSetOwner(Connection.java:367) at com.squareup.okhttp.OkHttpClient$1.connectAndSetOwner(OkHttpClient.java:128) at com.squareup.okhttp.internal.http.HttpEngine.connect(HttpEngine.java:328) at com.squareup.okhttp.internal.http.HttpEngine.sendRequest(HttpEngine.java:245) at com.squareup.okhttp.Call.getResponse(Call.java:267) at com.squareup.okhttp.Call$ApplicationInterceptorChain.proceed(Call.java:224) at com.squareup.okhttp.Call.getResponseWithInterceptorChain(Call.java:195) at com.squareup.okhttp.Call.execute(Call.java:79) at io.takari.aether.okhttp.OkHttpAetherClient.execute(OkHttpAetherClient.java:167) at io.takari.aether.okhttp.OkHttpAetherClient.put(OkHttpAetherClient.java:161) at io.takari.aether.connector.AetherRepositoryConnector$PutTask.run(AetherRepositoryConnector.java:715) at io.takari.aether.connector.AetherRepositoryConnector.put(AetherRepositoryConnector.java:332) ... 29 more [DEBUG] Connection manager is shutting down
反复尝试了多次还是报错，实在没有办法了，我只能通过代理上网然后手动进行发布，操作步骤如下：
3. 最重要的一步就是这里了，这里我们上传的所有的文件目录一定要是你使用maven 插件nexus-staging-maven-plugin 生成的staging目录，例如我的工程师becauseQA,那么目录就是： becauseQA-utils\target\nexus-staging\staging\104a5d5a8fd342\com\github\becauseQA
3.1 Upload Mode选择 “Artifact with a Pom”,点击“Select POM to Upload” 进入上面的staging目录选择对应的pom文件；
3.2 点击“Select Artifact(s) for Upload” 按钮还是进入刚才的staging目录，选择对应的jar文件点击“Add Artifacts”按钮，重复该步骤上传该目录下所有的jar文件包括doc和source文件，还有一些用gpg生成的asc文件，例如这里对应的所有需要上传的文件清单如下：
完成所有的设置后，点击“Upload Artifacts”按钮等待片刻上传即可成功。
实在是没有办法，国内的网络被blocked的太多了，只能尝试代理上网下手工方式进行发布了。
另附对应的nexus-staging-maven-plugin插件的配置信息
<plugin>
<groupId>org.sonatype.plugins</groupId>
<artifactId>nexus-staging-maven-plugin</artifactId>
<version>${nexus-staging-maven-plugin.version}</version>
<extensions>true</extensions>
<configuration>
<serverId>nexus</serverId>
<nexusUrl>https://oss.sonatype.org/</nexusUrl>
<autoReleaseAfterClose>false</autoReleaseAfterClose>
<sslAllowAll>true</sslAllowAll>
<stagingProgressPauseDurationSeconds>20</stagingProgressPauseDurationSeconds>
<stagingProgressTimeoutMinutes>20</stagingProgressTimeoutMinutes>
<detectBuildFailures>true</detectBuildFailures>
</configuration>
</plugin>maven nexus-staging-maven-plugin exception-connect timed out
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原文地址：http://www.cnblogs.com/alterhu/p/5790266.html
