here is the gdalinfo output

Size is 1024, 768
Coordinate System is:
PROJCS["WGS84 / Google Mercator",
    GEOGCS["WGS 84",
        DATUM["WGS_1984",
            SPHEROID["WGS 84",6378137,298.257223563,
                AUTHORITY["EPSG","7030"]],
            AUTHORITY["EPSG","6326"]],
        PRIMEM["Greenwich",0],
        UNIT["degree",0.0174532925199433],
        AUTHORITY["EPSG","4326"]],
    PROJECTION["Mercator_1SP"],
    PARAMETER["central_meridian",0],
    PARAMETER["scale_factor",1],
    PARAMETER["false_easting",0],
    PARAMETER["false_northing",0],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]]]
Origin = (981591.000000000000000,5538963.000000000000000)
Pixel Size = (7.808593750000000,-6.514322916666667)
Metadata:
  AREA_OR_POINT=Area
  TIFFTAG_RESOLUTIONUNIT=1 (unitless)
  TIFFTAG_XRESOLUTION=1
  TIFFTAG_YRESOLUTION=1
Image Structure Metadata:
  INTERLEAVE=PIXEL
Corner Coordinates:
Upper Left  (  981591.000, 5538963.000) (  8d49' 4.02"E, 44d39'55.73"N)
Lower Left  (  981591.000, 5533960.000) (  8d49' 4.02"E, 44d38' 0.24"N)
Upper Right (  989587.000, 5538963.000) (  8d53'22.60"E, 44d39'55.73"N)
Lower Right (  989587.000, 5533960.000) (  8d53'22.60"E, 44d38' 0.24"N)
Center      (  985589.000, 5536461.500) (  8d51'13.31"E, 44d38'57.99"N)
Band 1 Block=1024x8 Type=Byte, ColorInterp=Red
  NoData Value=0
Band 2 Block=1024x8 Type=Byte, ColorInterp=Green
  NoData Value=0
Band 3 Block=1024x8 Type=Byte, ColorInterp=Blue
  NoData Value=0
Band 4 Block=1024x8 Type=Byte, ColorInterp=Alpha
  NoData Value=0

Franco

On 12/04/2016 14:11, Daniele Romagnoli wrote:
Hi Franco,
Do you have any chance to run gdalinfo on that file and report back the output? (I wonder if there is an issue with the CoordinateReferenceSystem, such as some missing elements defining it).

Please, let us know.
Cheers,
Daniele



On Tue, Apr 12, 2016 at 12:32 PM, Franco Minutiello <[email protected] <mailto:[email protected]>> wrote:

    HI all,

    I have problem with image mosaic plugin using geotiff.
    The geoserver version is 2.8.1.
    The same configurartion works with tiff copied from snow time
    series examples.
    in the page "Add Raster Data Source" I saw the following error:
    "Could not list layers for this store, an error occurred
    retrieving them: Failed to create reader from file:workspaces/....
    and hints null"

    I think there's a problem involving geotiff data tags.
    This is the exception encoutered

    2016-04-12 12:27:37,001 ERROR [imagemosaic.Utils] -
    java.lang.NullPointerException
            at
    
org.geotools.gce.imagemosaic.RasterManager$SpatialDomainManager.prepareCoverageSpatialElements(RasterManager.java:203)
            at
    
org.geotools.gce.imagemosaic.RasterManager$SpatialDomainManager.<init>(RasterManager.java:178)
            at
    
org.geotools.gce.imagemosaic.RasterManager.initialize(RasterManager.java:1472)
            at
    
org.geotools.gce.imagemosaic.ImageMosaicConfigHandler.indexingPostamble(ImageMosaicConfigHandler.java:410)
            at
    
org.geotools.gce.imagemosaic.ImageMosaicDirectoryWalker$MosaicDirectoryWalker.<init>(ImageMosaicDirectoryWalker.java:132)
            at
    
org.geotools.gce.imagemosaic.ImageMosaicDirectoryWalker.run(ImageMosaicDirectoryWalker.java:196)
            at
    org.geotools.gce.imagemosaic.Utils.createMosaic(Utils.java:359)
            at
    org.geotools.gce.imagemosaic.Utils.checkSource(Utils.java:1237)
            at
    
org.geotools.gce.imagemosaic.ImageMosaicReader.initReaderFromURL(ImageMosaicReader.java:516)
            at
    
org.geotools.gce.imagemosaic.ImageMosaicReader.<init>(ImageMosaicReader.java:468)
            at
    
org.geotools.gce.imagemosaic.ImageMosaicFormat.getReader(ImageMosaicFormat.java:483)
            at
    
org.geotools.gce.imagemosaic.ImageMosaicFormat.getReader(ImageMosaicFormat.java:103)
            at
    
org.geoserver.catalog.ResourcePool.getGridCoverageReader(ResourcePool.java:1441)
            at
    
org.geoserver.catalog.ResourcePool.getGridCoverageReader(ResourcePool.java:1369)
            at
    
org.geoserver.catalog.impl.CoverageStoreInfoImpl.getGridCoverageReader(CoverageStoreInfoImpl.java:59)
            at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
            at
    
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
            at
    
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
            at java.lang.reflect.Method.invoke(Method.java:606)
            at
    
org.geoserver.catalog.impl.ModificationProxy.invoke(ModificationProxy.java:146)

    this is the listgeo output for the tif file

    Geotiff_Information:
       Version: 1
       Key_Revision: 1.2
       Tagged_Information:
          ModelTransformationTag (4,4):
             7.80859375        0 0                 981591
             0                 -6.51432291666667 0                 5538963
             0                 0 0                 0
             0                 0 0                 1
          End_Of_Tags.
       Keyed_Information:
          GTModelTypeGeoKey (Short,1): ModelTypeProjected
          GTRasterTypeGeoKey (Short,1): RasterPixelIsArea
          GeographicTypeGeoKey (Short,1): GCS_WGS_84
          ProjectedCSTypeGeoKey (Short,1): User-Defined
          PCSCitationGeoKey (Ascii,24): "WGS84 / Google Mercator"
          ProjectionGeoKey (Short,1): User-Defined
          ProjCoordTransGeoKey (Short,1): CT_Mercator
          ProjLinearUnitsGeoKey (Short,1): Linear_Meter
          ProjLinearUnitSizeGeoKey (Double,1): 1
          ProjNatOriginLongGeoKey (Double,1): 0
          ProjNatOriginLatGeoKey (Double,1): 0
          ProjFalseEastingGeoKey (Double,1): 0
          ProjFalseNorthingGeoKey (Double,1): 0
          ProjScaleAtNatOriginGeoKey (Double,1): 1
          End_Of_Keys.
       End_Of_Geotiff.

    Projection Method: CT_Mercator
       ProjNatOriginLatGeoKey: 0.000000 (  0d 0' 0.00"N)
       ProjNatOriginLongGeoKey: 0.000000 (  0d 0' 0.00"E)
       ProjScaleAtNatOriginGeoKey: 1.000000
       ProjFalseEastingGeoKey: 0.000000 m
       ProjFalseNorthingGeoKey: 0.000000 m
    GCS: 4326/WGS 84
    Datum: 6326/World Geodetic System 1984
    Ellipsoid: 7030/WGS 84 (6378137.00,6356752.31)
    Prime Meridian: 8901/Greenwich (0.000000/  0d 0' 0.00"E)
    Projection Linear Units: 9001/metre (1.000000m)

    Corner Coordinates:
    Upper Left    (  981591.000, 5538963.000)  (  8d49' 4.02"E,
    44d39'55.73"N)
    Lower Left    (  981591.000, 5533960.000)  (  8d49' 4.02"E, 44d38'
    0.24"N)
    Upper Right   (  989587.000, 5538963.000)  ( 8d53'22.60"E,
    44d39'55.73"N)
    Lower Right   (  989587.000, 5533960.000)  ( 8d53'22.60"E, 44d38'
    0.24"N)
    Center        (  985589.000, 5536461.500)  ( 8d51'13.31"E,
    44d38'57.99"N)

    Thanks


    
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--
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GeoServer Professional Services from the experts! Visit
http://goo.gl/it488V for more information.
==

Ing. Daniele Romagnoli
Senior Software Engineer

GeoSolutions S.A.S.
Via di Montramito 3/A
55054  Massarosa (LU)
Italy
phone: +39 0584 962313
fax:      +39 0584 1660272

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--
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Tel: +39 010 0980171 Fax:+39 010 0980184
s-mail: Piazza della Vittoria, 9/3 16121 Genova (Italy)
e-mail: [email protected] <mailto:[email protected]>
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