java.lang.NullPointerException
   at org.netbeans.modules.subversion.ui.repository.Repository.onSelectedRepositoryChange(Repository.java:400)
   at org.netbeans.modules.subversion.ui.repository.Repository.initPanel(Repository.java:221)
   at org.netbeans.modules.subversion.ui.repository.Repository.<init>(Repository.java:133)
   at org.netbeans.modules.subversion.client.SvnClientExceptionHandler.handleRepositoryConnectError(SvnClientExceptionHandler.java:233)
   at org.netbeans.modules.subversion.client.SvnClientExceptionHandler.handleException(SvnClientExceptionHandler.java:185)
   at org.netbeans.modules.subversion.client.SvnClientInvocationHandler.handleException(SvnClientInvocationHandler.java:393)
   at org.netbeans.modules.subversion.client.SvnClientInvocationHandler.invoke(SvnClientInvocationHandler.java:188)
   at $Proxy23.getContent(.java:0)
   at org.netbeans.modules.subversion.VersionsCache.getFileRevision(VersionsCache.java:182)
   at org.netbeans.modules.subversion.VersionsCache.getFileRevision(VersionsCache.java:136)
   at org.netbeans.modules.subversion.HistoryProvider$RevisionProviderImpl.getRevisionFile(HistoryProvider.java:207)
   at org.netbeans.modules.versioning.DelegatingVCS$DelegatingHistoryProvider$1.getRevisionFile(DelegatingVCS.java:591)
   at org.netbeans.modules.versioning.core.spi.VCSHistoryProvider$HistoryEntry.getRevisionFile(VCSHistoryProvider.java:298)
   at org.netbeans.modules.versioning.ui.history.HistoryEntry.getRevisionFile(HistoryEntry.java:76)
   at org.netbeans.modules.versioning.ui.history.HistoryDiffView$CurrentDiffPrepareTask.run(HistoryDiffView.java:227)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1411)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1991)