java.lang.NullPointerException
   at org.netbeans.modules.versioning.core.api.VCSFileProxy.createFileProxy(VCSFileProxy.java:95)
   at org.netbeans.modules.versioning.DelegatingVCS.toProxies(DelegatingVCS.java:653)
   at org.netbeans.modules.versioning.DelegatingVCS.access$200(DelegatingVCS.java:72)
   at org.netbeans.modules.versioning.DelegatingVCS$DelegatingHistoryProvider$DelegateChangeListener.fireHistoryChanged(DelegatingVCS.java:621)
   at org.netbeans.modules.subversion.HistoryProvider$1.run(HistoryProvider.java:159)
Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to: java.lang.NullPointerException
   at org.openide.util.RequestProcessor.post(RequestProcessor.java:421)
   at org.netbeans.modules.subversion.HistoryProvider.fireHistoryChange(HistoryProvider.java:155)
   at org.netbeans.modules.subversion.ui.commit.CommitAction.performCommit(CommitAction.java:772)
   at org.netbeans.modules.subversion.ui.commit.CommitAction.performCommit(CommitAction.java:608)
   at org.netbeans.modules.subversion.ui.commit.CommitAction.access$100(CommitAction.java:107)
   at org.netbeans.modules.subversion.ui.commit.CommitAction$4.perform(CommitAction.java:374)
   at org.netbeans.modules.subversion.client.SvnProgressSupport.performIntern(SvnProgressSupport.java:109)
   at org.netbeans.modules.subversion.client.SvnProgressSupport.run(SvnProgressSupport.java:102)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1404)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1984)