我正试图通过dockerfile-maven推送泊坞窗图片。只需几个小时一切正常，但知道我有异常：
[INFO] Step 1/9 : FROM ubuntu:xenial
[INFO]
[ERROR] Get https://registry-1.docker.io/v2/: EOF
[WARNING] An attempt failed, will retry 1 more times
org.apache.maven.plugin.MojoExecutionException: Could not build image
at com.spotify.plugin.dockerfile.BuildMojo.buildImage(BuildMojo.java:185)
at com.spotify.plugin.dockerfile.BuildMojo.execute(BuildMojo.java:105)
at com.spotify.plugin.dockerfile.AbstractDockerMojo.tryExecute(AbstractDockerMojo.java:253)
at com.spotify.plugin.dockerfile.AbstractDockerMojo.execute(AbstractDockerMojo.java:242)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:207)
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)
at org.codehaus.classworlds.Launcher.main(Launcher.java:47)
Caused by: com.spotify.docker.client.exceptions.DockerException: Get https://registry-1.docker.io/v2/: EOF
at com.spotify.plugin.dockerfile.LoggingProgressHandler.handleError(LoggingProgressHandler.java:105)
at com.spotify.plugin.dockerfile.LoggingProgressHandler.progress(LoggingProgressHandler.java:63)
at com.spotify.docker.client.DefaultDockerClient.build(DefaultDockerClient.java:1441)
at com.spotify.docker.client.DefaultDockerClient.build(DefaultDockerClient.java:1400)
at com.spotify.plugin.dockerfile.BuildMojo.buildImage(BuildMojo.java:178)
... 26 more
这个错误意味着什么？如何解决？
已更新
有时候我得到了：
Caused by: com.spotify.docker.client.exceptions.DockerException: Get https://registry-1.docker.io/v2/library/ubuntu/manifests/xenial: Get https://auth.docker.io/token?scope=repository%3Alibrary%2Fubuntu%3Apull&service=registry.docker.io: EOF