NullPointerException found in console:

[raducoravu]

I found a NPE when editing a TEI document with the plugin enabled:

        1192933 ERROR [ pool-3-thread-1 ] info.histei.monitor.HTFileMonitor - java.lang.NullPointerException
        java.lang.NullPointerException
            at info.histei.monitor.HTFileMonitor.refresh(HTFileMonitor.java:163)
            at info.histei.monitor.HTFileMonitor.check(HTFileMonitor.java:170)
            at info.histei.monitor.HTFileMonitor$HTMonitorService.run(HTFileMonitor.java:44)
            at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
            at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
            at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
            at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
            at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
            at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
            at java.lang.Thread.run(Thread.java:745)