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Im looking at the logs in /upc/share/testdata/support/2013-02_NCDC_GHR-456072 In FeatureCollectionScan.log I see: [2013-01-16T15:55:04.946-0500] DEBUG thredds.inventory.CollectionUpdater: Update for GFSANL feature collection test trigger = startup.GFSANL feature collection test [2013-01-16T15:55:19.093-0500] ERROR thredds.inventory.CollectionUpdater: UpdateCollectionJob.execute failed java.lang.NullPointerException at thredds.filesystem.ControllerOS$Traversal.<init>(ControllerOS.java:245) at thredds.filesystem.ControllerOS$MFileIteratorAll.getNextIterator(ControllerOS.java:218) at thredds.filesystem.ControllerOS$MFileIteratorAll.getNextIterator(ControllerOS.java:224) at thredds.filesystem.ControllerOS$MFileIteratorAll.getNextIterator(ControllerOS.java:224) at thredds.filesystem.ControllerOS$MFileIteratorAll.hasNext(ControllerOS.java:196) at thredds.filesystem.ControllerOS$FilteredIterator.nextFilteredFile(ControllerOS.java:137) at thredds.filesystem.ControllerOS$FilteredIterator.hasNext(ControllerOS.java:119) at thredds.inventory.MFileCollectionManager.reallyScan(MFileCollectionManager.java:517) at thredds.inventory.MFileCollectionManager.scanFirstTime(MFileCollectionManager.java:478) at thredds.inventory.MFileCollectionManager.scan(MFileCollectionManager.java:361) at thredds.inventory.CollectionUpdater$UpdateCollectionJob.execute(CollectionUpdater.java:281) This might mean we are getting a null from File.listDirs(), for directory /global/nomads/nexus/gfsanl/ Any chance you are getting hardware problems there? Otherwise, can you send a recursive listing of that directory? Ticket Details =================== Ticket ID: GHR-456072 Department: Support THREDDS Priority: High Status: Open