Hi all,

Today I started to get a cyclic error (doesn't stop to show all the time) log 
running Geoserver master from web app module:


15 Nov 09:04:04 WARN [platform.resource] - Error polling contents of 
/home/fernando/Documents/geosolutions/geoserver/src/web/app/src/main/webapp/data/gwc-layers
java.lang.NullPointerException
    at java.base/java.util.Objects.requireNonNull(Objects.java:221)
    at 
org.geoserver.platform.resource.FileSystemWatcher$Watch.pollDirectory(FileSystemWatcher.java:213)
    at 
org.geoserver.platform.resource.FileSystemWatcher$Watch.changed(FileSystemWatcher.java:209)
    at 
org.geoserver.platform.resource.FileSystemWatcher$1.run(FileSystemWatcher.java:349)
    at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
    at 
java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
    at 
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
    at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
    at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
    at java.base/java.lang.Thread.run(Thread.java:834)



Any hint about what could be the root cause for this?


Thanks.



Regards,Fernando Mino==GeoServer Professional Services from the experts! Visit 
http://goo.gl/it488V for more information.==Fernando MinoSoftware Engineer
GeoSolutions S.A.S.Via di Montramito 3/A55054  Massarosa (LU)Italyphone: +39 
0584 962313fax:     +39 0584 1660272
http://www.geo-solutions.ithttp://twitter.com/geosolutions_it
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