Hello everyone:

I recently upgraded GeoServer to version 2.1.3 revision 16668. Apparently this 
upgraded also the bundled Geowebcache, which is now 1.3-RC2, built 2011-12-21 
11:31:51.

Before the upgrade I was serving a set of layers through gwc, using a 
customized geowebcache.xml which allowed me to serve these layers using 
23031:EPSG projection.

After the upgrade, these layers ceased to work. It seems that the structure of 
geowebcache.xml has changed, and my customized file no longer works. 

I tried to update it to a version which is compatible with 1.3.0, and finally I 
have produced a file that GeoWebCache seems to like; however, i can't serve my 
layer using my custom 23031 projection.

This is my geowebcache configuration file:

<?xml version="1.0" encoding="utf-8"?>
<gwcConfiguration xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; 
xsi:noNamespaceSchemaLocation="http://geowebcache.org/schema/1.3.0/geowebcache.xsd";
 xmlns="http://geowebcache.org/schema/1.3.0";>
        <version>1.3.0</version>
        <backendTimeout>120</backendTimeout>
        <cacheBypassAllowed>true</cacheBypassAllowed>
        <gridSets>  
                <gridSet>
                        <name>EPSG:23031</name>
                        <srs><number>23031</number></srs>
                        <extent>
                                <coords>
                                        <double>238730.0252</double>
                                        <double>4276730.7754</double>
                                        <double>761269.9748</double>
                                        <double>7434723.1222</double>
                                </coords>
                        </extent>
                        <resolutions>
                                <double>550.0</double>
                                <double>275.0</double>
                                <double>100.0</double>
                                <double>50.0</double>
                                <double>25.0</double>
                                <double>10.0</double>
                                <double>5.0</double>
                                <double>2.0</double>
                                <double>1.0</double>
                                <double>0.5</double>
                        </resolutions>
                        <metersPerUnit>1</metersPerUnit>                        
                        <tileHeight>256</tileHeight>
                        <tileWidth>256</tileWidth>
                </gridSet>  
        </gridSets>
        <layers>
                <wmsLayer>  
                        <name>XXXXXXXXXXXXXXXXX</name>
                        <mimeFormats>
                                <string>image/png</string>
                        </mimeFormats>
                        <gridSubsets>
                                <gridSubset>
                                        <gridSetName>EPSG:23031</gridSetName>
                                        <extent>
                                                <coords>
                                                        <double>258000</double>
                                                        <double>4485000</double>
                                                        <double>536000</double>
                                                        <double>4752000</double>
                                                </coords>
                                        </extent>
                                </gridSubset>
                        </gridSubsets>  
                        <wmsUrl>
                                
<string>http://XXXXXXXXXXXXX/geoserver/wms</string>
                        </wmsUrl>                       
                </wmsLayer>  
        </layers>
</gwcConfiguration>


And this is an excerpt from the geoserver logs, in which geoserver/gwc seem to 
like the config file:

....
2012-01-31 15:47:14,494 INFO [config.XMLConfiguration] - Will look for 
geowebcache.xml in 'C:\DataDir_GeoServer\gwc'
2012-01-31 15:47:14,510 DEBUG [layer.TileLayerDispatcher] - Thread 
initLayers(), initializing
2012-01-31 15:47:14,510 DEBUG [layer.TileLayerDispatcher] - Reading service 
information.
2012-01-31 15:47:14,510 INFO [config.XMLConfiguration] - Found configuration 
file in C:\DataDir_GeoServer\gwc
2012-01-31 15:47:14,541 INFO [config.XMLConfiguration] - Configuration file 
validated fine.
2012-01-31 15:47:14,572 INFO [config.XMLConfiguration] - Initializing GridSets 
from C:\DataDir_GeoServer\gwc
2012-01-31 15:47:14,572 DEBUG [config.XMLConfiguration] - Reading EPSG:23031
2012-01-31 15:47:14,572 INFO [config.XMLConfiguration] - Read GridSet EPSG:23031
2012-01-31 15:47:14,572 DEBUG [grid.GridSetBroker] - Adding EPSG:23031
2012-01-31 15:47:14,572 INFO [config.XMLConfiguration] - Initializing layers 
from C:\DataDir_GeoServer\gwc
....


I'm out of ideas. What am I doing wrong?

Thanks in advance,




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