FATAL: null
java.lang.NullPointerException
	at hudson.scm.SubversionSCM$External.<init>(SubversionSCM.java:962)
	at hudson.scm.subversion.SubversionUpdateEventHandler.handleExternal(SubversionUpdateEventHandler.java:130)
	at org.tmatesoft.svn.core.internal.wc2.compat.SvnCodec$15.handleExternal(SvnCodec.java:856)
	at org.tmatesoft.svn.core.internal.wc2.compat.SvnCodec$14.handleExternal(SvnCodec.java:843)
	at org.tmatesoft.svn.core.internal.wc16.SVNUpdateClient16.handleExternalChange(SVNUpdateClient16.java:1796)
	at org.tmatesoft.svn.core.internal.wc16.SVNUpdateClient16.handleExternalItemChange(SVNUpdateClient16.java:1759)
	at org.tmatesoft.svn.core.internal.wc16.SVNUpdateClient16.handleExternals(SVNUpdateClient16.java:1714)
	at org.tmatesoft.svn.core.internal.wc16.SVNUpdateClient16.update(SVNUpdateClient16.java:567)
	at org.tmatesoft.svn.core.internal.wc16.SVNUpdateClient16.doUpdate(SVNUpdateClient16.java:414)
	at org.tmatesoft.svn.core.internal.wc16.SVNUpdateClient16.doUpdate(SVNUpdateClient16.java:324)
	at org.tmatesoft.svn.core.internal.wc2.old.SvnOldUpdate.run(SvnOldUpdate.java:27)
	at org.tmatesoft.svn.core.internal.wc2.old.SvnOldUpdate.run(SvnOldUpdate.java:11)
	at org.tmatesoft.svn.core.internal.wc2.SvnOperationRunner.run(SvnOperationRunner.java:20)
	at org.tmatesoft.svn.core.wc2.SvnOperationFactory.run(SvnOperationFactory.java:1235)
	at org.tmatesoft.svn.core.wc2.SvnOperation.run(SvnOperation.java:291)
	at org.tmatesoft.svn.core.wc.SVNUpdateClient.doUpdate(SVNUpdateClient.java:311)
	at org.tmatesoft.svn.core.wc.SVNUpdateClient.doUpdate(SVNUpdateClient.java:291)
	at org.tmatesoft.svn.core.wc.SVNUpdateClient.doUpdate(SVNUpdateClient.java:387)
	at hudson.scm.subversion.UpdateUpdater$TaskImpl.perform(UpdateUpdater.java:135)
	at hudson.scm.subversion.WorkspaceUpdater$UpdateTask.delegateTo(WorkspaceUpdater.java:152)
	at hudson.scm.SubversionSCM$CheckOutTask.perform(SubversionSCM.java:812)
	at hudson.scm.SubversionSCM$CheckOutTask.invoke(SubversionSCM.java:795)
	at hudson.scm.SubversionSCM$CheckOutTask.invoke(SubversionSCM.java:776)
	at hudson.FilePath$FileCallableWrapper.call(FilePath.java:2052)
	at hudson.remoting.UserRequest.perform(UserRequest.java:107)
	at hudson.remoting.UserRequest.perform(UserRequest.java:41)
	at hudson.remoting.Request$2.run(Request.java:276)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
	at java.util.concurrent.FutureTask.run(FutureTask.java:166)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
	at java.lang.Thread.run(Thread.java:636)