[MapProxy] Seeding problem

[Denis Rykov]

Trying to perform mapproxy-seed but always get an error:

$ mapproxy-seed -f mapproxy_ex1.yaml -s seed.yaml --seed myseed1
========== Seeding tasks ==========
Start seeding process (1 task)
  myseed1:
    Seeding cache 'ex1_cache' with grid 'gridmerc' in EPSG:3857
    Limited to: 29.50890, 59.67680, 30.72040, 60.22010 (EPSG:4326)
    Levels: [0, 1, 2, 3, 4, 5]
    Overwriting: no tiles
[09:27:12]  0   0.00% 3284915.72187, 8328129.84247, 3419779.28497,
8448904.60111 (0 tiles) ETA: N/A
[09:27:12]  1   0.00% 3284915.72187, 8328129.84247, 3419779.28497,
8448904.60111 (0 tiles) ETA: N/A
[09:27:12]  2   0.00% 3284915.72187, 8328129.84247, 3419779.28497,
8448904.60111 (0 tiles) ETA: N/A
[09:27:12]  3   0.00% 3284915.72187, 8328129.84247, 3419779.28497,
8448904.60111 (0 tiles) ETA: N/A
[09:27:12]  4   0.00% 3284915.72187, 8328129.84247, 3419779.28497,
8448904.60111 (0 tiles) ETA: N/A
[09:27:12]  0 100.00% 3284915.72187, 8328129.84247, 3419779.28497,
8448904.60111 (32 tiles) ETA: 2013-02-02-09:27:12
[2013-02-02 09:27:13,044] mapproxy.source.wms - WARNING - expected image
response, got: <?xml version='1.0' encoding="utf-8" standalone="no" ?>
<!DOCTYPE ServiceExceptionReport SYSTEM "
http://schemas.opengis.net/wms/1.1.1/exception_1_1_1.dtd">
<ServiceExceptionReport version="1.1.1">
<ServiceException>
msDrawMap(): Image handling error. Unable to initialize image.
msCalculateScale(): General error message. Invalid image extent, minx=-nan,
miny=-nan, maxx=-nan, maxy=-nan.
</ServiceException>
</ServiceExceptionReport>

An error occured. Retry in 2 seconds: SourceError('no image returned from
source WMS',)

In Apache log:

::1 - - [02/Feb/2013:09:27:15 +0400] "GET
/cgi-bin/ows?styles=&format=image%2Fpng&height=1&bbox=3284915.72187,8328129.84247,3419779.28497,8448904.60111&transparent=True&layers=water&service=WMS&width=2&request=GetMap&srs=EPSG%3A3857&version=1.1.1
HTTP/1.1" 200 638 "-" "MapProxy-1.6.0a-20130202"

Strange values of width and height - very small, why not 256x256?
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osgeo.org/pipermail/mapproxy/attachments/20130202/7d6f86a9/attachment.html>