See http://hudson.opengeo.org/hudson/job/geoserver-1.7.x/1060/
------------------------------------------
Started by upstream project "geotools-2.5.x" build number 518
ERROR: svn: connection refused by the server
svn: OPTIONS request failed on '/geoserver/branches/1.7.x/src'
org.tmatesoft.svn.core.SVNException: svn: connection refused by the server
svn: OPTIONS request failed on '/geoserver/branches/1.7.x/src'
at org.tmatesoft.svn.core.internal.wc.SVNErrorManager.error(SVNErrorManager.java:103)
at org.tmatesoft.svn.core.internal.wc.SVNErrorManager.error(SVNErrorManager.java:87)
at org.tmatesoft.svn.core.internal.io.dav.http.HTTPConnection.request(HTTPConnection.java:601)
at org.tmatesoft.svn.core.internal.io.dav.http.HTTPConnection.request(HTTPConnection.java:257)
at org.tmatesoft.svn.core.internal.io.dav.http.HTTPConnection.request(HTTPConnection.java:245)
at org.tmatesoft.svn.core.internal.io.dav.DAVConnection.exchangeCapabilities(DAVConnection.java:454)
at org.tmatesoft.svn.core.internal.io.dav.DAVConnection.open(DAVConnection.java:97)
at org.tmatesoft.svn.core.internal.io.dav.DAVRepository.openConnection(DAVRepository.java:665)
at org.tmatesoft.svn.core.internal.io.dav.DAVRepository.testConnection(DAVRepository.java:96)
at hudson.scm.SubversionSCM$DescriptorImpl.checkRepositoryPath(SubversionSCM.java:1519)
at hudson.scm.SubversionSCM.repositoryLocationsExist(SubversionSCM.java:1601)
at hudson.scm.SubversionSCM.checkout(SubversionSCM.java:456)
at hudson.scm.SubversionSCM.checkout(SubversionSCM.java:419)
at hudson.model.AbstractProject.checkout(AbstractProject.java:809)
at hudson.model.AbstractBuild$AbstractRunner.checkout(AbstractBuild.java:314)
at hudson.model.AbstractBuild$AbstractRunner.run(AbstractBuild.java:266)
at hudson.model.Run.run(Run.java:923)
at hudson.model.Build.run(Build.java:112)
at hudson.model.ResourceController.execute(ResourceController.java:93)
at hudson.model.Executor.run(Executor.java:119)
Caused by: java.net.ConnectException: Connection refused
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at java.net.Socket.connect(Socket.java:519)
at org.tmatesoft.svn.core.internal.util.SVNSocketFactory.createPlainSocket(SVNSocketFactory.java:53)
at org.tmatesoft.svn.core.internal.io.dav.http.HTTPConnection.connect(HTTPConnection.java:167)
at org.tmatesoft.svn.core.internal.io.dav.http.HTTPConnection.request(HTTPConnection.java:307)
... 17 more