I believe the problem is fixed but wanted to describe it to the list in
case an alternate fix would have been more appropriate.
I am serving raster data using both the ImagePyramid and ImageMosaic
plugins. Mostly GeoTiffs. I am also using the integrated GWC and for the
most part, things have been working well for the past few months using
GeoServer 2.4 RC1.
When I upgraded to 2.4.1 last week, one of my layers using ImagePyramid
(with GeoTIFFs as the data source) would not render. GWC cached images
displayed fine but once I went deeper into the imagery where cached images
didn't exist, the following error would appear:
org.geotools.data.DataSourceException: java.lang.ClassNotFoundException:
it.geosolutions.imageio.plugins.geotiff.GeoTiffImageReaderSpi
To fix it, I copied imageio-ext-gdalgeotiff-1.1.7.jar from the 2.4 RC1
installation into the 2.4.1. Apparently, this file was not included in
2.4.1 or the GDAL extension. My guess is that this one particular layer
was using the GDAL GeoTiff driver back in 2.4 RC1 but in 2.4 GeoServre was
trying to use the native (non-GDAL) GeoTiff driver. I probably could have
deleted the later and created it again. However, I didn't want to change
the layer settings if I could help it. It seems this issue may occur
again during the next upgrade. Does this make sense?
- John
John Callahan
Research Scientist
Delaware Geological Survey
University of Delaware
http://www.dgs.udel.edu
john.calla...@udel.edu
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