Fresh install of Jenkins 1.642.4

Sub version checkout is ok.

Because the bundled Subversion doesn't support 1.8 format, I used the plugin manger to update Subversion to 2.5.7 (the latest).

Now I see this error below. Any help appreciated

E200015: ISVNAuthentication provider did not provide credentials; HTTP authorization cancelled.

Started by user anonymous
Building in workspace c:\jenkins\shared_ws
Updating http://myserver/trunk at revision '2016-04-18T18:04:22.189 +0100'
org.tmatesoft.svn.core.SVNCancelException: svn: E200015: E200015: ISVNAuthentication provider did not provide credentials; HTTP authorization cancelled.
svn: E200015: ISVNAuthentication provider did not provide credentials; HTTP authorization cancelled.
at org.tmatesoft.svn.core.internal.wc.SVNErrorManager.error(SVNErrorManager.java:60)
at org.tmatesoft.svn.core.internal.wc.SVNErrorManager.error(SVNErrorManager.java:51)
at org.tmatesoft.svn.core.internal.io.dav.http.HTTPConnection.request(HTTPConnection.java:793)
at org.tmatesoft.svn.core.internal.io.dav.http.HTTPConnection.request(HTTPConnection.java:398)
at org.tmatesoft.svn.core.internal.io.dav.http.HTTPConnection.request(HTTPConnection.java:386)
at org.tmatesoft.svn.core.internal.io.dav.DAVConnection.performHttpRequest(DAVConnection.java:863)
at org.tmatesoft.svn.core.internal.io.dav.DAVConnection.exchangeCapabilities(DAVConnection.java:699)
at org.tmatesoft.svn.core.internal.io.dav.DAVConnection.open(DAVConnection.java:118)
at org.tmatesoft.svn.core.internal.io.dav.DAVRepository.openConnection(DAVRepository.java:1049)
at org.tmatesoft.svn.core.internal.io.dav.DAVRepository.getRepositoryUUID(DAVRepository.java:149)
at org.tmatesoft.svn.core.internal.wc2.SvnRepositoryAccess.createRepository(SvnRepositoryAccess.java:110)
at org.tmatesoft.svn.core.internal.wc2.ng.SvnNgRepositoryAccess.createRepository(SvnNgRepositoryAccess.java:210)
at org.tmatesoft.svn.core.internal.wc2.ng.SvnNgAbstractUpdate.updateInternal(SvnNgAbstractUpdate.java:194)
at org.tmatesoft.svn.core.internal.wc2.ng.SvnNgAbstractUpdate.update(SvnNgAbstractUpdate.java:111)
at org.tmatesoft.svn.core.internal.wc2.ng.SvnNgUpdate.run(SvnNgUpdate.java:38)
at org.tmatesoft.svn.core.internal.wc2.ng.SvnNgUpdate.run(SvnNgUpdate.java:18)
at org.tmatesoft.svn.core.internal.wc2.ng.SvnNgOperationRunner.run(SvnNgOperationRunner.java:20)
at org.tmatesoft.svn.core.internal.wc2.SvnOperationRunner.run(SvnOperationRunner.java:21)
at org.tmatesoft.svn.core.wc2.SvnOperationFactory.run(SvnOperationFactory.java:1235)
at org.tmatesoft.svn.core.wc2.SvnOperation.run(SvnOperation.java:294)
at org.tmatesoft.svn.core.wc.SVNUpdateClient.doUpdate(SVNUpdateClient.java:311)
at org.tmatesoft.svn.core.wc.SVNUpdateClient.doUpdate(SVNUpdateClient.java:291)
at org.tmatesoft.svn.core.wc.SVNUpdateClient.doUpdate(SVNUpdateClient.java:387)
at hudson.scm.subversion.UpdateUpdater$TaskImpl.perform(UpdateUpdater.java:158)
at hudson.scm.subversion.WorkspaceUpdater$UpdateTask.delegateTo(WorkspaceUpdater.java:162)
at hudson.scm.SubversionSCM$CheckOutTask.perform(SubversionSCM.java:988)
at hudson.scm.SubversionSCM$CheckOutTask.invoke(SubversionSCM.java:969)
at hudson.scm.SubversionSCM$CheckOutTask.invoke(SubversionSCM.java:945)
at hudson.FilePath.act(FilePath.java:990)
at hudson.FilePath.act(FilePath.java:968)
at hudson.scm.SubversionSCM.checkout(SubversionSCM.java:894)
at hudson.scm.SubversionSCM.checkout(SubversionSCM.java:830)
at hudson.scm.SCM.checkout(SCM.java:485)
at hudson.model.AbstractProject.checkout(AbstractProject.java:1276)
at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:607)
at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:86)
at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:529)
at hudson.model.Run.execute(Run.java:1738)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
at hudson.model.ResourceController.execute(ResourceController.java:98)
at hudson.model.Executor.run(Executor.java:410)
Caused by: org.tmatesoft.svn.core.SVNCancelException: svn: E200015: ISVNAuthentication provider did not provide credentials; HTTP authorization cancelled.
at org.tmatesoft.svn.core.internal.io.dav.http.HTTPConnection.request(HTTPConnection.java:723)
... 38 more
ERROR: Subversion update has been canceled
Build was aborted
Finished: ABORTED