Hello All,
We just upgraded our GeoServer from version 2.1.4 to version 2.4.2 including 
Oracle plugin. The GeoServer data directory is re-used when upgrading.

We have not installed GeoTools v10.2. The upgrading seems OK but we do have a 
problem with one raster layer.

The raster layer is called "RASTER_10K" with its style configuration like
<MinScaleDenominator>2501</MinScaleDenominator>
<MaxScaleDenominator>20000</MaxScaleDenominator>

When opening Layer Preview > OpenLayers for the "RASTER_10K" layer in the 
GeoServer 2.4.2, it displays a map at 1:2861 only. It displays a red X box 
behind the menu button without map at 1:11K and 1:5722 like the attached png 
file.

The "RASTER_10K" layer is a member of layer groups with other layers like 
"RASTER_50K" and "RASTER_250K"; those "RASTER_50K" and "RASTER_250K" layers do 
not have problem.

We could display maps at 1:11K, 1:5722 and 1:2861 scales on the GeoServer 
v2.1.4.

When I reproduced the preview the layer, the GeoServer v2.4.2 log file contains 
some errors like
2013-12-05 20:51:49,109 INFO [geoserver.wms] -
Request: getServiceInfo
2013-12-05 20:51:49,124 ERROR [geoserver.ows] -
org.geoserver.platform.ServiceException: Error rendering coverage on the fast 
path
                at 
org.geoserver.wms.map.RenderedImageMapOutputFormat.produceMap(RenderedImageMapOutputFormat.java:331)
                at 
org.geoserver.wms.map.RenderedImageMapOutputFormat.produceMap(RenderedImageMapOutputFormat.java:251)
...

2013-12-05 20:51:54,734 ERROR [geotools.map] - Call MapContent dispose() to 
prevent memory leaks
2013-12-05 20:51:54,734 ERROR [geotools.map] - Call MapContent dispose() to 
prevent memory leaks
2013-12-05 20:51:58,906 INFO [geoserver.wms] -
Request: getServiceInfo
2013-12-05 20:51:58,921 ERROR [geoserver.ows] -
org.geoserver.platform.ServiceException: Error rendering coverage on the fast 
path
                at 
org.geoserver.wms.map.RenderedImageMapOutputFormat.produceMap(RenderedImageMapOutputFormat.java:331)
                at 
org.geoserver.wms.map.RenderedImageMapOutputFormat.produceMap(RenderedImageMapOutputFormat.java:251)
                at 
org.geoserver.wms.map.RenderedImageMapOutputFormat.produceMap(RenderedImageMapOutputFormat.java:123)

Could you please help?

How to fix this problem? Do I need install GeoTools v10.2? Do I need install 
anything else?

The GeoServer runs on Windows Server 2008 R2 with Jetty web server; Java 
version 1.6.)_32 is used. We have also installed JAI 1.1.3 with GoeServer 
v2.1.4.

Thanks in advance.

Shang

PS: when we tested earlier, there are other errors with GeoServer 2.4.2 like:
2013-12-05 12:50:43,904 INFO [geoserver.wms] -
Request: getServiceInfo
2013-12-05 12:50:43,904 WARN [geotools.rendering] - Unable to create this mosaic
org.geotools.data.DataSourceException: Unable to create this mosaic
                at 
org.geotools.gce.imagemosaic.RasterLayerResponse.prepareResponse(RasterLayerResponse.java:1282)
                at 
org.geotools.gce.imagemosaic.RasterLayerResponse.processRequest(RasterLayerResponse.java:1125)
                at 
org.geotools.gce.imagemosaic.RasterLayerResponse.createResponse(RasterLayerResponse.java:1091)

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<<attachment: preview_red_X.PNG>>

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