Open Stack

I meet two errors below.
Can anyone point out where I am wrong?

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First
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Triggered by Gerrit:
https://review.openstack.org/8165<http://www.google.com/url?sa=D&q=https://review.openstack.org/8165&usg=AFQjCNF994Z9aRvhBINgqmoR5KqTfjTYmg>
[EnvInject] - Preparing an environment for the build.
[EnvInject] - [ERROR] - SEVERE ERROR occurs:
hudson.remoting.ChannelClosedException: channel is already closed
ERROR: Publisher hudson.plugins.violations.ViolationsPublisher aborted
due to exception
java.lang.NullPointerException
        at
hudson.plugins.violations.ViolationsPublisher.perform(ViolationsPublisher.j
ava:
74)
        at
hudson.tasks.BuildStepMonitor$3.perform(BuildStepMonitor.java:36)
        at hudson.model.AbstractBuild
$AbstractRunner.perform(AbstractBuild.java:710)
        at hudson.model.AbstractBuild
$AbstractRunner.performAllBuildSteps(AbstractBuild.java:685)
        at hudson.model.Build$RunnerImpl.post2(Build.java:162)
        at
hudson.model.AbstractBuild$AbstractRunner.post(AbstractBuild.java:
632)
        at hudson.model.Run.run(Run.java:1463)
        at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:46)
        at hudson.model.ResourceController.execute(ResourceController.java:
88)
        at hudson.model.Executor.run(Executor.java:239)
Notifying upstream projects of job completion
[EnvInject] - [ERROR] - SEVERE ERROR occurs: channel is already closed


---------------------------------

Second error

--------------------------------
 test_floating_dns_create_conflict                           OK
172.46
    test_floating_dns_delete                                    OK
29.74
    test_floating_dns_domains_public                            OK
25.85
InstanceDNSTestCase
    test_dns_domains_private                                    FATAL:
Unable to delete script file /tmp/hudson424186984301750427.sh
hudson.util.IOException2: remote file operation failed: /tmp/
hudson424186984301750427.sh at
hudson.remoting.Channel at 1c3725bd:oneiric11
        at hudson.FilePath.act(FilePath.java:835)
        at hudson.FilePath.act(FilePath.java:821)
        at hudson.FilePath.delete(FilePath.java:1126)
        at hudson.tasks.CommandInterpreter.perform(CommandInterpreter.java:
92)
        at hudson.tasks.CommandInterpreter.perform(CommandInterpreter.java:
58)
        at
hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:19)
        at hudson.model.AbstractBuild
$AbstractRunner.perform(AbstractBuild.java:710)
        at hudson.model.Build$RunnerImpl.build(Build.java:178)
        at hudson.model.Build$RunnerImpl.doRun(Build.java:139)
        at
hudson.model.AbstractBuild$AbstractRunner.run(AbstractBuild.java:
480)
        at hudson.model.Run.run(Run.java:1438)
        at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:46)
        at hudson.model.ResourceController.execute(ResourceController.java:
88)
        at hudson.model.Executor.run(Executor.java:239)
Caused by: hudson.remoting.ChannelClosedException: channel is already
closed
        at hudson.remoting.Channel.send(Channel.java:475)
        at hudson.remoting.Request.call(Request.java:110)
        at hudson.remoting.Channel.call(Channel.java:646)
        at hudson.FilePath.act(FilePath.java:828)
        ... 13 more
Caused by: java.io.IOException: Unexpected termination of the channel
        at hudson.remoting.SynchronousCommandTransport
$ReaderThread.run(SynchronousCommandTransport.java:50)
Caused by: java.io.EOFException
        at java.io.ObjectInputStream
$BlockDataInputStream.peekByte(ObjectInputStream.java:2570)
        at
java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1314)
        at java.io.ObjectInputStream.readObject(ObjectInputStream.java:368)
        at hudson.remoting.Command.readFrom(Command.java:90)
        at
hudson.remoting.ClassicCommandTransport.read(ClassicCommandTransport.java:
59)
        at hudson.remoting.SynchronousCommandTransport
$ReaderThread.run(SynchronousCommandTransport.java:48)
FATAL: hudson.remoting.RequestAbortedException: java.io.IOException:
Unexpected termination of the channel
hudson.remoting.RequestAbortedException:
hudson.remoting.RequestAbortedException: java.io.IOException:
Unexpected termination of the channel
        at hudson.remoting.Request.call(Request.java:149)
        at hudson.remoting.Channel.call(Channel.java:646)
        at
hudson.remoting.RemoteInvocationHandler.invoke(RemoteInvocationHandler.java:

158)
        at $Proxy32.join(Unknown Source)
        at hudson.Launcher$RemoteLauncher$ProcImpl.join(Launcher.java:861)
        at hudson.Launcher$ProcStarter.join(Launcher.java:345)
        at hudson.tasks.CommandInterpreter.perform(CommandInterpreter.java:
82)
        at hudson.tasks.CommandInterpreter.perform(CommandInterpreter.java:
58)
        at
hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:19)
        at hudson.model.AbstractBuild
$AbstractRunner.perform(AbstractBuild.java:710)
        at hudson.model.Build$RunnerImpl.build(Build.java:178)
        at hudson.model.Build$RunnerImpl.doRun(Build.java:139)
        at
hudson.model.AbstractBuild$AbstractRunner.run(AbstractBuild.java:
480)
        at hudson.model.Run.run(Run.java:1438)
        at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:46)
        at hudson.model.ResourceController.execute(ResourceController.java:
88)
        at hudson.model.Executor.run(Executor.java:239)
Caused by: hudson.remoting.RequestAbortedException:
java.io.IOException: Unexpected termination of the channel
        at hudson.remoting.Request.abort(Request.java:273)
        at hudson.remoting.Channel.terminate(Channel.java:702)
        at hudson.remoting.SynchronousCommandTransport
$ReaderThread.run(SynchronousCommandTransport.java:69)
Caused by: java.io.IOException: Unexpected termination of the channel
        at hudson.remoting.SynchronousCommandTransport
$ReaderThread.run(SynchronousCommandTransport.java:50)
Caused by: java.io.EOFException
        at java.io.ObjectInputStream
$BlockDataInputStream.peekByte(ObjectInputStream.java:2570)
        at
java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1314)
        at java.io.ObjectInputStream.readObject(ObjectInputStream.java:368)
        at hudson.remoting.Command.readFrom(Command.java:90)
        at
hudson.remoting.ClassicCommandTransport.read(ClassicCommandTransport.java:
59)
        at hudson.remoting.SynchronousCommandTransport
$ReaderThread.run(SynchronousCommandTransport.java:48)
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