i added credentials, but when I run the job, it returns with the log (attached down)
So i return to the job, it says i cannot verify and offers me to enter the credentials again.
I re-enter, but same results:

Started by user anonymous
Checking out a fresh workspace because there's no workspace at C:\progs\hudson\.hudson\jobs\assembla\workspace
Cleaning workspace C:\progs\hudson\.hudson\jobs\assembla\workspace
Checking out https://subversion.assembla.com/svn/mycompany/myproduct/trunk
ERROR: Failed to check out https://subversion.assembla.com/svn/mycompany/myproduct/trunk
org.tmatesoft.svn.core.SVNCancelException: svn: No credential to try. Authentication failed
at org.tmatesoft.svn.core.internal.wc.SVNErrorManager.cancel(SVNErrorManager.java:37)
at org.tmatesoft.svn.core.internal.wc.SVNErrorManager.cancel(SVNErrorManager.java:32)
at org.tmatesoft.svn.core.internal.wc.DefaultSVNAuthenticationManager.getFirstAuthentication(DefaultSVNAuthenticationManager.java:219)
at org.tmatesoft.svn.core.internal.io.dav.http.HTTPConnection.request(HTTPConnection.java:549)
at org.tmatesoft.svn.core.internal.io.dav.http.HTTPConnection.request(HTTPConnection.java:275)
at org.tmatesoft.svn.core.internal.io.dav.http.HTTPConnection.request(HTTPConnection.java:263)
at org.tmatesoft.svn.core.internal.io.dav.DAVConnection.exchangeCapabilities(DAVConnection.java:516)
at org.tmatesoft.svn.core.internal.io.dav.DAVConnection.open(DAVConnection.java:98)
at org.tmatesoft.svn.core.internal.io.dav.DAVRepository.openConnection(DAVRepository.java:1001)
at org.tmatesoft.svn.core.internal.io.dav.DAVRepository.getLatestRevision(DAVRepository.java:178)
at org.tmatesoft.svn.core.wc.SVNBasicClient.getRevisionNumber(SVNBasicClient.java:482)
at org.tmatesoft.svn.core.wc.SVNBasicClient.getLocations(SVNBasicClient.java:873)
at org.tmatesoft.svn.core.wc.SVNBasicClient.createRepository(SVNBasicClient.java:534)
at org.tmatesoft.svn.core.wc.SVNUpdateClient.doCheckout(SVNUpdateClient.java:901)
at hudson.scm.subversion.CheckoutUpdater$1.perform(CheckoutUpdater.java:83)
at hudson.scm.subversion.WorkspaceUpdater$UpdateTask.delegateTo(WorkspaceUpdater.java:137)
at hudson.scm.subversion.WorkspaceUpdater$UpdateTask.delegateTo(WorkspaceUpdater.java:145)
at hudson.scm.subversion.UpdateUpdater$TaskImpl.perform(UpdateUpdater.java:114)
at hudson.scm.subversion.WorkspaceUpdater$UpdateTask.delegateTo(WorkspaceUpdater.java:137)
at hudson.scm.SubversionSCM$CheckOutTask.perform(SubversionSCM.java:725)
at hudson.scm.SubversionSCM$CheckOutTask.invoke(SubversionSCM.java:706)
at hudson.scm.SubversionSCM$CheckOutTask.invoke(SubversionSCM.java:690)
at hudson.FilePath.act(FilePath.java:756)
at hudson.FilePath.act(FilePath.java:738)
at hudson.scm.SubversionSCM.checkout(SubversionSCM.java:683)
at hudson.scm.SubversionSCM.checkout(SubversionSCM.java:632)
at hudson.model.AbstractProject.checkout(AbstractProject.java:1118)
at hudson.model.AbstractBuild$AbstractRunner.checkout(AbstractBuild.java:480)
at hudson.model.AbstractBuild$AbstractRunner.run(AbstractBuild.java:412)
at hudson.model.Run.run(Run.java:1362)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:46)
at hudson.model.ResourceController.execute(ResourceController.java:88)
at hudson.model.Executor.run(Executor.java:145)
Finished: FAILURE