运行命令
mvn -X clean deploy
我收到以下错误
[INFO] --- maven-deploy-plugin:2.7:deploy (default-deploy) @ something ---
[DEBUG] [buildinfo] Resolved artifact: org.apache.maven.plugins:maven-deploy-plugin:pom:2.7:build from: team (http://myrepo/maven/m2repos, releases+snapshots) Context is: plugin
[DEBUG] [buildinfo] Resolved artifact: org.apache.maven.plugins:maven-deploy-plugin:jar:2.7:build from: team (http://myrepo/maven/m2repos, releases+snapshots) Context is: plugin
[DEBUG] [buildinfo] Resolved artifact: junit:junit:jar:3.8.1:build from: C:\Users\user\.m2\repository (enhanced) Context is: plugin
[DEBUG] [buildinfo] Resolved artifact: org.codehaus.plexus:plexus-utils:jar:1.5.6:build from: C:\Users\user\.m2\repository (enhanced) Context is: plugin
[INFO] Uploading: scp://myrepo/export/maven/m2repos/com/team/myproject/10.8/myproject-10.8.war
[INFO] Uploaded: scp://myrepo/export/maven/m2repos/com/team/myproject/10.8/myproject-10.8.war (162384 KB at 23020.0 KB/sec)
[INFO] Uploading: scp://myrepo/export/maven/m2repos/com/team/myproject/10.8/myproject-10.8.pom
[INFO] Uploaded: scp://myrepo/export/maven/m2repos/com/team/myproject/10.8/myproject-10.8.pom (46 KB at 27.3 KB/sec)
[INFO] Downloading: scp://myrepo/export/maven/m2repos/com/team/myproject/maven-metadata.xml
[INFO] Downloaded: scp://myrepo/export/maven/m2repos/com/team/myproject/maven-metadata.xml (19 KB at 162.1 KB/sec)
[INFO] Uploading: scp://myrepo/export/maven/m2repos/com/team/myproject/maven-metadata.xml
[INFO] Uploaded: scp://myrepo/export/maven/m2repos/com/team/myproject/maven-metadata.xml (19 KB at 12.6 KB/sec)
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 9:07.223s
[INFO] Finished at: Thu Apr 27 21:40:53 PDT 2017
[INFO] Final Memory: 54M/568M
[INFO] ------------------------------------------------------------------------
Waiting for Jenkins to finish collecting data
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-deploy-plugin:2.7:deploy (default-deploy) on project myproject: Execution default-deploy of goal org.apache.maven.plugins:maven-deploy-plugin:2.7:deploy failed. NullPointerException -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.maven.plugins:maven-deploy-plugin:2.7:deploy (default-deploy) on project myproject: Execution default-deploy of goal org.apache.maven.plugins:maven-deploy-plugin:2.7:deploy failed.
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:224)
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:84)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:317)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:152)
at org.jvnet.hudson.maven3.launcher.Maven31Launcher.main(Maven31Launcher.java:132)
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:497)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchStandard(Launcher.java:330)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:238)
at jenkins.maven3.agent.Maven31Main.launch(Maven31Main.java:185)
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:497)
at hudson.maven.Maven3Builder.call(Maven3Builder.java:136)
at hudson.maven.Maven3Builder.call(Maven3Builder.java:71)
at hudson.remoting.UserRequest.perform(UserRequest.java:153)
at hudson.remoting.UserRequest.perform(UserRequest.java:50)
at hudson.remoting.Request$2.run(Request.java:332)
at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:68)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: org.apache.maven.plugin.PluginExecutionException: Execution default-deploy of goal org.apache.maven.plugins:maven-deploy-plugin:2.7:deploy failed.
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:115)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
... 30 more
Caused by: java.lang.NullPointerException
at org.apache.maven.plugin.deploy.DeployMojo.execute(DeployMojo.java:178)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:106)
... 31 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/PluginExecutionException
如果我查看我的maven repo，所有文件都已经上传，并且在日志中显示了构建（它表示已上传文件），但最后构建状态因nullpointer异常而失败。启用调试模式后，我也没有任何线索。 请帮忙。
答案 0 :(得分：1)
升级到maven-deploy-plugin的最新版本为我解决了这个问题。
例如：
<build>
<plugins>
<plugin>
<artifactId>maven-deploy-plugin</artifactId>
<version>3.0.0-M1</version>
</plugin>
</plugins>
</build>