Running mvn clean site site-deploy inside jenkins failed (see below).
Copy the "workspace" and running the same command as shell user jenkins doesn't raise this error.

[INFO] Generating "DashBoard Report" report — dashboard-maven-plugin:1.0.0-beta-1
[INFO] MultiReportMojo project = bvopmenu-doc
[INFO] MultiReportMojo nb modules = 0
[INFO] MultiReportMojo base directory = /srv/jenkins-work/jenkins/jobs/bvopmenu-doc/workspace
[INFO] MultiReportMojo output directory = /srv/jenkins-work/jenkins/jobs/bvopmenu-doc/workspace/target/site
[INFO] MultiReportMojo report output directory = /srv/jenkins-work/jenkins/jobs/bvopmenu-doc/workspace/target/site/en
[INFO] MultiReportMojo project language = none
[JENKINS] Archiving site from /srv/jenkins-work/jenkins/jobs/bvopmenu-doc/workspace/target/site to /srv/jenkins-work/jenkins/jobs/bvopmenu-doc/site
FATAL: Unable to copy site from /srv/jenkins-work/jenkins/jobs/bvopmenu-doc/workspace/target/site to /srv/jenkins-work/jenkins/jobs/bvopmenu-doc/site
java.io.IOException: Pipe is already closed
at hudson.remoting.PipeWindow.checkDeath(PipeWindow.java:83)
at hudson.remoting.PipeWindow$Real.get(PipeWindow.java:165)
at hudson.remoting.ProxyOutputStream._write(ProxyOutputStream.java:118)
at hudson.remoting.ProxyOutputStream.write(ProxyOutputStream.java:103)
at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82)
at java.io.BufferedOutputStream.write(BufferedOutputStream.java:126)
at java.util.zip.DeflaterOutputStream.deflate(DeflaterOutputStream.java:178)
at java.util.zip.DeflaterOutputStream.write(DeflaterOutputStream.java:135)
at java.util.zip.GZIPOutputStream.write(GZIPOutputStream.java:89)
at java.io.BufferedOutputStream.write(BufferedOutputStream.java:122)
at org.apache.tools.tar.TarBuffer.writeBlock(TarBuffer.java:410)
at org.apache.tools.tar.TarBuffer.writeRecord(TarBuffer.java:351)
at hudson.org.apache.tools.tar.TarOutputStream.writeEOFRecord(TarOutputStream.java:356)
at hudson.org.apache.tools.tar.TarOutputStream.finish(TarOutputStream.java:137)
at hudson.org.apache.tools.tar.TarOutputStream.close(TarOutputStream.java:149)
at hudson.util.io.TarArchiver.close(TarArchiver.java:119)
at hudson.FilePath.writeToTar(FilePath.java:1620)
at hudson.FilePath.copyRecursiveTo(FilePath.java:1545)
at hudson.FilePath.copyRecursiveTo(FilePath.java:1474)
at hudson.maven.reporters.MavenSiteArchiver.postExecute(MavenSiteArchiver.java:82)
at hudson.maven.Maven3Builder$MavenExecutionListener.reccordMojoSucceeded(Maven3Builder.java:596)
at hudson.maven.Maven3Builder$MavenExecutionListener.mojoSucceeded(Maven3Builder.java:559)
at org.apache.maven.lifecycle.internal.DefaultExecutionEventCatapult.fire(DefaultExecutionEventCatapult.java:87)
at org.apache.maven.lifecycle.internal.DefaultExecutionEventCatapult.fire(DefaultExecutionEventCatapult.java:42)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:228)
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:319)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
at org.jvnet.hudson.maven3.launcher.Maven3Launcher.main(Maven3Launcher.java:79)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchStandard(Launcher.java:329)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:239)
at org.jvnet.hudson.maven3.agent.Maven3Main.launch(Maven3Main.java:158)
at hudson.maven.Maven3Builder.call(Maven3Builder.java:125)
at hudson.maven.Maven3Builder.call(Maven3Builder.java:72)
at hudson.remoting.UserRequest.perform(UserRequest.java:118)
at hudson.remoting.UserRequest.perform(UserRequest.java:48)
at hudson.remoting.Request$2.run(Request.java:283)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:636)
Caused by: java.io.IOException: Pipe is already closed
at hudson.remoting.FastPipedOutputStream.write(FastPipedOutputStream.java:147)
at hudson.remoting.FastPipedOutputStream.write(FastPipedOutputStream.java:131)
at hudson.remoting.ProxyOutputStream$Chunk$1.run(ProxyOutputStream.java:211)
... 6 more
Caused by: hudson.remoting.FastPipedInputStream$ClosedBy: The pipe was closed at...
at hudson.remoting.FastPipedInputStream.close(FastPipedInputStream.java:112)
at hudson.FilePath$32.invoke(FilePath.java:1541)
at hudson.FilePath$32.invoke(FilePath.java:1535)
at hudson.FilePath$FileCallableWrapper.call(FilePath.java:1980)
at hudson.remoting.UserRequest.perform(UserRequest.java:118)
at hudson.remoting.UserRequest.perform(UserRequest.java:48)
at hudson.remoting.Request$2.run(Request.java:283)
... 6 more