Debasish Sahu ha scritto:
> Hi ,
>
> I took the current build from the trunk . A new error has crept in and
> am unable to configure any Oracle Spatial Layers.It was working fine
> with yesterday's build.
>
> 15 Apr 10:37:35 INFO [layer.TileLayerDispatcher] - Adding layers from
> GeoServer
> Catalog Listener
> 15 Apr 10:37:35 ERROR [layer.TileLayerDispatcher] - Configuration
> GeoServer Cata
> log Listener contained no layers.
> 15 Apr 10:37:35 ERROR [util.XMLConfiguration] - Failed to find
> geowebcache.xml
> 15 Apr 10:37:35 ERROR [layer.TileLayerDispatcher] - Unable to determine
> configur
> ation directory.
> 15 Apr 10:37:35 WARN [layer.TileLayer] - Merging grids, formats and
> filters of t
> opp:INDIA_STATES
> 15 Apr 10:37:49 WARN [catalog.imp] - Catalog listener threw exception
> handling e
> vent.
> java.lang.NullPointerException
> at
> org.geowebcache.layer.wms.WMSLayer.acquireLayerLock(WMSLayer.java:796
> )
> at
> org.geowebcache.layer.TileLayerDispatcher.update(TileLayerDispatcher.
> java:151)
This error is logged but it's not fatal, it's GWC crashing because
it cannot handle the events GeoServer trunk throw miss some
information it needs.
We added a try/catch around the even throwing code that just logs
the exception, as you can see here:
> 15 Apr 10:37:49 WARN [catalog.imp] - Catalog listener threw exception
> handling e
> vent.
the code dealing with events being:
protected void event(CatalogEvent event) {
for (Iterator l = listeners.iterator(); l.hasNext();) {
try {
CatalogListener listener = (CatalogListener) l.next();
if (event instanceof CatalogAddEvent) {
listener.handleAddEvent((CatalogAddEvent) event);
} else if (event instanceof CatalogRemoveEvent) {
listener.handleRemoveEvent((CatalogRemoveEvent) event);
} else if (event instanceof CatalogModifyEvent) {
listener.handleModifyEvent((CatalogModifyEvent) event);
} else if (event instanceof CatalogPostModifyEvent) {
listener.handlePostModifyEvent((CatalogPostModifyEvent)event);
}
} catch(Exception e) {
LOGGER.log(Level.WARNING, "Catalog listener threw
exception handling event.", e);
}
}
}
Soo... you're probably looking at the wrong stack trace?
Cheers
Andrea
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