java.lang.NumberFormatException: For input string: ""
        at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)
        at java.lang.Long.parseLong(Long.java:424)
        at java.lang.Long.parseLong(Long.java:461)
        at java.text.DigitList.getLong(DigitList.java:167)
        at java.text.DecimalFormat.parse(DecimalFormat.java:1271)
        at java.text.SimpleDateFormat.subParse(SimpleDateFormat.java:1692)
        at java.text.SimpleDateFormat.parse(SimpleDateFormat.java:1124)
        at java.text.DateFormat.parse(DateFormat.java:333)
        at org.netbeans.modules.subversion.client.parser.SvnWcUtils.parseSvnDate(SvnWcUtils.java:86)
        at org.netbeans.modules.subversion.client.parser.WorkingCopyDetails.getDateValue(WorkingCopyDetails.java:147)
        at org.netbeans.modules.subversion.client.parser.SvnWcParser.getInfoFromWorkingCopy(SvnWcParser.java:243)
        at org.netbeans.modules.subversion.client.SvnCmdLineClientInvocationHandler.handleIntern(SvnCmdLineClientInvocationHandler.java:82)
        at org.netbeans.modules.subversion.client.SvnCmdLineClientInvocationHandler.invokeMethod(SvnCmdLineClientInvocationHandler.java:54)
        at org.netbeans.modules.subversion.client.SvnClientInvocationHandler.invoke(SvnClientInvocationHandler.java:124)
        at $Proxy10.getInfoFromWorkingCopy(Unknown Source)
        at org.netbeans.modules.subversion.util.SvnUtils.getRelativePath(SvnUtils.java:316)
        at org.netbeans.modules.subversion.ui.status.SyncFileNode$PathProperty$1.run(SyncFileNode.java:191)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:541)
[catch] at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:963)