ssh to windows slave fails - quick question

[Z W]

Hi All

We're not sure why the ssh to a windows slave fail.
How do we recover this service ?

Thanks all.


[03/15/13 12:08:04] [SSH] Opening SSH connection to err.rws.com:22.
java.io.IOException: There was a problem while connecting to err.rws.com:22
at ch.ethz.ssh2.Connection.connect(Connection.java:764)
at ch.ethz.ssh2.Connection.connect(Connection.java:554)
at hudson.plugins.sshslaves.SSHLauncher.openConnection(SSHLauncher.java:579)
at hudson.plugins.sshslaves.SSHLauncher.launch(SSHLauncher.java:193)
at hudson.slaves.SlaveComputer$1.call(SlaveComputer.java:194)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.net.UnknownHostException: err.rws.com
at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)
at java.net.InetAddress$1.lookupAllHostAddr(InetAddress.java:849)
at java.net.InetAddress.getAddressFromNameService(InetAddress.java:1202)
at java.net.InetAddress.getAllByName0(InetAddress.java:1153)
at java.net.InetAddress.getAllByName(InetAddress.java:1083)
at java.net.InetAddress.getAllByName(InetAddress.java:1019)
at java.net.InetAddress.getByName(InetAddress.java:969)
at ch.ethz.ssh2.transport.TransportManager.createInetAddress(TransportManager.java:173)
at ch.ethz.ssh2.transport.TransportManager.establishConnection(TransportManager.java:356)
at ch.ethz.ssh2.transport.TransportManager.initialize(TransportManager.java:472)
at ch.ethz.ssh2.Connection.connect(Connection.java:707)
... 9 more
[03/15/13 12:08:04] [SSH] Connection closed.

[KEVIN FLEMING (BLOOMBERG/ 731 LEXIN)]

Caused by: java.net.UnknownHostException: err.rws.com

The host name 'err.rws.com' could not be resolved to an IP address.