The following, that worked on 2.3.2, results in No authority was defined for code "8901". Did you forget "AUTHORITY:NUMBER"? on version 2.4 RC0 GeoTiffReader geoTiffReader = new GeoTiffReader(gisFileURL); GridCoverage2D tiffCoverage = (GridCoverage2D) geoTiffReader.read(null); error details: No authority was defined for code "8901". Did you forget "AUTHORITY:NUMBER"? No authority was defined for code "8901". Did you forget "AUTHORITY:NUMBER"? ModelPixelScaleTag: [231.58432075670478,231.58432075670478,0.0] ModelTiePointTag: (1 tie points) TP #0: [0.0,0.0,0.0] -> [418227.5091678609,4670769.440661938,0.0] ModelTransformationTag: NOT AVAILABLE GeoKey #1: Key = 1, Value = null GeoKey #2: Key = 1024, Value = 1 GeoKey #3: Key = 1025, Value = 1 GeoKey #4: Key = 1026, Value = WGS_1984_UTM_Zone_29N GeoKey #5: Key = 2048, Value = 32767 GeoKey #6: Key = 2049, Value = GCS_WGS_1984 GeoKey #7: Key = 2050, Value = 32767 GeoKey #8: Key = 2054, Value = 9102 GeoKey #9: Key = 2056, Value = 32767 GeoKey #10: Key = 2057, Value = 6378137.0 GeoKey #11: Key = 2059, Value = 298.2572235629972 GeoKey #12: Key = 3072, Value = 32767 GeoKey #13: Key = 3074, Value = 16029 org.opengis.referencing.NoSuchAuthorityCodeException: No authority was defined for code "8901". Did you forget "AUTHORITY:NUMBER"? at org.geotools.referencing.factory.ManyAuthoritiesFactory.noSuchAuthority(ManyAuthoritiesFactory.java:514) at org.geotools.referencing.factory.ManyAuthoritiesFactory.getAuthorityFactory(ManyAuthoritiesFactory.java:492) at org.geotools.referencing.factory.ManyAuthoritiesFactory.getDatumAuthorityFactory(ManyAuthoritiesFactory.java:545) at org.geotools.referencing.factory.AuthorityFactoryAdapter.createPrimeMeridian(AuthorityFactoryAdapter.java:639) at org.geotools.gce.geotiff.crs_adapters.GeoTiffMetadata2CRSAdapter.createPrimeMeridian(GeoTiffMetadata2CRSAdapter.java:836) at org.geotools.gce.geotiff.crs_adapters.GeoTiffMetadata2CRSAdapter.createGeodeticDatum(GeoTiffMetadata2CRSAdapter.java:904) at org.geotools.gce.geotiff.crs_adapters.GeoTiffMetadata2CRSAdapter.createUserDefinedGCS(GeoTiffMetadata2CRSAdapter.java:1053) at org.geotools.gce.geotiff.crs_adapters.GeoTiffMetadata2CRSAdapter.createGeographicCoordinateSystem(GeoTiffMetadata2CRSAdapter.java:394) at org.geotools.gce.geotiff.crs_adapters.GeoTiffMetadata2CRSAdapter.createUserDefinedPCS(GeoTiffMetadata2CRSAdapter.java:682) at org.geotools.gce.geotiff.crs_adapters.GeoTiffMetadata2CRSAdapter.createProjectedCoordinateSystem(GeoTiffMetadata2CRSAdapter.java:303) at org.geotools.gce.geotiff.crs_adapters.GeoTiffMetadata2CRSAdapter.createCoordinateSystem(GeoTiffMetadata2CRSAdapter.java:240) at org.geotools.gce.geotiff.GeoTiffReader.getHRInfo(GeoTiffReader.java:271) at org.geotools.gce.geotiff.GeoTiffReader.<init>(GeoTiffReader.java:198) at org.geotools.gce.geotiff.GeoTiffReader.<init>(GeoTiffReader.java:115)