The timer silently cancels itself resulting in the following exception:

SVN-Kit needs to be patched to behave a buit more gracefully and produce more
diagnostics

FATAL: Timer already cancelled.
java.lang.IllegalStateException: Timer already cancelled.
at java.util.Timer.sched(Unknown Source)
at java.util.Timer.schedule(Unknown Source)
at
rg.tmatesoft.svn.core.wc.DefaultSVNRepositoryPool.<init>(DefaultSVNRepositoryPool.java:132)

at
rg.tmatesoft.svn.core.wc.DefaultSVNRepositoryPool.<init>(DefaultSVNRepositoryPool.java:110)

at
org.tmatesoft.svn.core.wc.SVNClientManager.<init>(SVNClientManager.java:141)

at
rg.tmatesoft.svn.core.wc.SVNClientManager.newInstance(SVNClientManager.java:183)

at
hudson.scm.SubversionSCM.createSvnClientManager(SubversionSCM.java:416)
at
hudson.scm.SubversionSCM$CheckOutTask.invoke(SubversionSCM.java:358)
at
hudson.scm.SubversionSCM$CheckOutTask.invoke(SubversionSCM.java:341)
at hudson.FilePath.act(FilePath.java:280)
at hudson.scm.SubversionSCM.checkout(SubversionSCM.java:338)
at hudson.scm.SubversionSCM.checkout(SubversionSCM.java:295)
at hudson.model.AbstractProject.checkout(AbstractProject.java:485)
at
hudson.model.AbstractBuild$AbstractRunner.checkout(AbstractBuild.java:160)

at
hudson.model.AbstractBuild$AbstractRunner.run(AbstractBuild.java:126)
at hudson.model.Run.run(Run.java:573)
at hudson.model.Build.run(Build.java:107)
at
hudson.model.ResourceController.execute(ResourceController.java:66)
at hudson.model.Executor.run(Executor.java:59)