[Geoserver-users] GeoWebCache seeding

[tt5430 <tt...@gm...>]

Hi,
  
I have a PostGIS tiled layer that contains north-america OSM data.  I tried
to seed it using GeoWebCache.  Below are the seeding parameters:

Number of tasks: 4
Type of operation: Reseed
Gridset: EPSG:4326 (Dataset SRS: EPSG:3857)
Format: png8
Zoom start: 0
Zoom stop: 15
Style : polygon
BBox: -180 -91 180 91 

MetaTilingFactor: 6x6
WMS Max Redening Time: 12000 (anticipate the seeding will take long)


After I entered submit, I saw this in Tomcat log:
14 Feb 13:18:49 INFO [seed.SeedTask] - GWC Seeder Thread-5 begins seeding
layer : osm:north_america_polygon
14 Feb 13:18:49 INFO [seed.SeedTask] - GWC Seeder Thread-6 begins seeding
layer : osm:north_america_polygon
14 Feb 13:18:49 INFO [seed.SeedTask] - GWC Seeder Thread-8 begins seeding
layer : osm:north_america_polygon
14 Feb 13:18:49 INFO [seed.SeedTask] - GWC Seeder Thread-7 begins seeding
layer : osm:north_america_polygon

Did not see anything showed up on the log until after about 3 hours, the
following messages showed up:

14 Feb 16:34:06 ERROR [geoserver.ows] -
org.geoserver.platform.ServiceException: This requested used more time than
allowed and has been forcefully stopped. Max rendering time is 12000.0s
        at
org.geoserver.wms.map.RenderedImageMapOutputFormat.produceMap(RenderedImageMapOutputFormat.java:499)
        at
org.geoserver.wms.map.RenderedImageMapOutputFormat.produceMap(RenderedImageMapOutputFormat.java:251)
        at
org.geoserver.wms.map.RenderedImageMapOutputFormat.produceMap(RenderedImageMapOutputFormat.java:123)
        at org.geoserver.wms.GetMap.executeInternal(GetMap.java:521)
        at org.geoserver.wms.GetMap.run(GetMap.java:253)
        at org.geoserver.wms.GetMap.run(GetMap.java:124)
        at
org.geoserver.wms.DefaultWebMapService.getMap(DefaultWebMapService.java:328)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)

...

14 Feb 16:34:06 ERROR [seed.MTSeeder] - Problem communicating with GeoServer
org.geowebcache.GeoWebCacheException: Problem communicating with GeoServer
        at
org.geoserver.gwc.layer.GeoServerTileLayer.getMetatilingReponse(GeoServerTileLayer.java:517)
        at
org.geoserver.gwc.layer.GeoServerTileLayer.seedTile(GeoServerTileLayer.java:706)
        at org.geowebcache.seed.SeedTask.doActionInternal(SeedTask.java:136)
        at org.geowebcache.seed.GWCTask.doAction(GWCTask.java:76)
        at org.geowebcache.seed.MTSeeder.call(MTSeeder.java:36)
        at org.geowebcache.seed.MTSeeder.call(MTSeeder.java:25)
        at java.util.concurrent.FutureTask.run(FutureTask.java:262)
        at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:744)
Caused by: java.lang.IllegalStateException: Expected: RenderedImageMap, got
null
        at
org.geoserver.gwc.layer.GeoServerTileLayer.dispatchGetMap(GeoServerTileLayer.java:570)
        at
org.geoserver.gwc.layer.GeoServerTileLayer.getMetatilingReponse(GeoServerTileLayer.java:512)
        ... 9 more

....

Caused by:
org.geotools.referencing.operation.projection.ProjectionException: Latitude
90°10.5'S is too close to a pole.
        at
org.geotools.referencing.operation.projection.Mercator$Spherical.transformNormalized(Mercator.java:209)
        at
org.geotools.referencing.operation.projection.MapProjection.transform(MapProjection.java:883)
        at
org.geotools.referencing.operation.projection.MapProjection.transform(MapProjection.java:924)
        at
org.geotools.referencing.operation.transform.AbstractMathTransform.transform(AbstractMathTransform.java:237)
        at org.geotools.referencing.CRS.transform(CRS.java:1319)
        at org.geotools.referencing.CRS.transform(CRS.java:1385)
        at
org.geotools.geometry.jts.ReferencedEnvelope.transform(ReferencedEnvelope.java:678)
        at
org.geotools.renderer.crs.ProjectionHandler.getQueryEnvelopes(ProjectionHandler.java:133)
        at
org.geotools.renderer.lite.StreamingRenderer.getStyleQuery(StreamingRenderer.java:1048)
        ... 47 more
14 Feb 16:34:06 ERROR [geotools.rendering] - Error transforming bbox
java.lang.Exception: Error transforming bbox
        at
org.geotools.renderer.lite.StreamingRenderer.getStyleQuery(StreamingRenderer.java:1068)
        at
org.geotools.renderer.lite.StreamingRenderer.processStylers(StreamingRenderer.java:2009)
        at
org.geotools.renderer.lite.StreamingRenderer.paint(StreamingRenderer.java:837)
        at
org.geoserver.wms.map.RenderedImageMapOutputFormat.produceMap(RenderedImageMapOutputFormat.java:481)
        at
org.geoserver.wms.map.RenderedImageMapOutputFormat.produceMap(RenderedImageMapOutputFormat.java:251)
        at
org.geoserver.wms.map.RenderedImageMapOutputFormat.produceMap(RenderedImageMapOutputFormat.java:123)
        at org.geoserver.wms.GetMap.executeInternal(GetMap.java:521)
        at org.geoserver.wms.GetMap.run(GetMap.java:253)
        at org.geoserver.wms.GetMap.run(GetMap.java:124)

Caused by:
org.geotools.referencing.operation.projection.ProjectionException: Latitude
90°10.5'S is too close to a pole.
        at
org.geotools.referencing.operation.projection.Mercator$Spherical.transformNormalized(Mercator.java:209)
        at
org.geotools.referencing.operation.projection.MapProjection.transform(MapProjection.java:883)
        at
org.geotools.referencing.operation.projection.MapProjection.transform(MapProjection.java:924)
        at
org.geotools.referencing.operation.transform.AbstractMathTransform.transform(AbstractMathTransform.java:237)
        at org.geotools.referencing.CRS.transform(CRS.java:1319)
        at org.geotools.referencing.CRS.transform(CRS.java:1385)
        at
org.geotools.geometry.jts.ReferencedEnvelope.transform(ReferencedEnvelope.java:678)
        at
org.geotools.renderer.crs.ProjectionHandler.getQueryEnvelopes(ProjectionHandler.java:133)
        at
org.geotools.renderer.lite.StreamingRenderer.getStyleQuery(StreamingRenderer.java:1048)
        ... 47 more
14 Feb 16:34:06 WARN [geotools.rendering] - Got a tranform exception while
trying to de-project the current envelope, falling back on full data loading
(no bbox query)
org.geotools.referencing.operation.projection.ProjectionException: Latitude
90°10.5'S is too close to a pole.
        at
org.geotools.referencing.operation.projection.Mercator$Spherical.transformNormalized(Mercator.java:209)
        at
org.geotools.referencing.operation.projection.MapProjection.transform(MapProjection.java:883)
        at
org.geotools.referencing.operation.projection.MapProjection.transform(MapProjection.java:924)
        at
org.geotools.referencing.operation.transform.AbstractMathTransform.transform(AbstractMathTransform.java:237)
        at org.geotools.referencing.CRS.transform(CRS.java:1319)
        at org.geotools.referencing.CRS.transform(CRS.java:1385)
        at
org.geotools.geometry.jts.ReferencedEnvelope.transform(ReferencedEnvelope.java:678)
        at
org.geotools.renderer.crs.ProjectionHandler.getQueryEnvelopes(ProjectionHandler.java:133)

I have no ideas what went wrong and appreciate someone can tell what I did
wrong.  I need to be able to seed the layer.  Otherwise, the performance
will be unacceptable.

Many thanks in advance.

Regards,
Tam





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