When Hudson runs an update against our subversion repository, it fails with the
following exception:

org.tmatesoft.svn.core.SVNException: svn: REPORT request failed on
'/svn/!svn/vcc/default'
svn: Connection reset
at
org.tmatesoft.svn.core.internal.wc.SVNErrorManager.error(SVNErrorManager.java:80)
at
org.tmatesoft.svn.core.internal.io.dav.http.HTTPConnection.request(HTTPConnection.java:517)
at
org.tmatesoft.svn.core.internal.io.dav.http.HTTPConnection.request(HTTPConnection.java:234)
at
org.tmatesoft.svn.core.internal.io.dav.http.HTTPConnection.request(HTTPConnection.java:222)
at
org.tmatesoft.svn.core.internal.io.dav.DAVConnection.doReport(DAVConnection.java:219)
at
org.tmatesoft.svn.core.internal.io.dav.DAVConnection.doReport(DAVConnection.java:211)
at
org.tmatesoft.svn.core.internal.io.dav.DAVRepository.update(DAVRepository.java:609)
at
org.tmatesoft.svn.core.wc.SVNUpdateClient.doUpdate(SVNUpdateClient.java:162)
at hudson.scm.SubversionSCM$CheckOutTask.invoke(SubversionSCM.java:387)
at hudson.scm.SubversionSCM$CheckOutTask.invoke(SubversionSCM.java:359)
at hudson.FilePath.act(FilePath.java:301)
at hudson.scm.SubversionSCM.checkout(SubversionSCM.java:353)
at hudson.scm.SubversionSCM.checkout(SubversionSCM.java:299)
at hudson.model.AbstractProject.checkout(AbstractProject.java:558)
at hudson.model.AbstractBuild$AbstractRunner.checkout(AbstractBuild.java:215)
at hudson.model.AbstractBuild$AbstractRunner.run(AbstractBuild.java:181)
at hudson.model.Run.run(Run.java:659)
at hudson.model.Build.run(Build.java:101)
at hudson.model.ResourceController.execute(ResourceController.java:70)
at hudson.model.Executor.run(Executor.java:65)

I found the following link which describes a similar issue:
http://www.nabble.com/REPORT-request-failed-accessing-Sourceforge-Subversion-td14733189.html