[MapProxy] Image processing error

[David Pavlíček]

I didn't think so...
http://mpp.praha.eu/arcgis/services/DTMP/DTMP/MapServer/WMSServer?request=GetCapabilities&service=WMS
is working as expected. Also getmap request from debug session is working
properly... There must be another issue...


út 6. 11. 2018 v 14:51 odesílatel Lukas Macur <lukas.macur at gmail.com>
napsal:

> Hello, I believe the problem is on source site, that is not working
> http://mpp.praha.eu/arcgis/services/DTMP/DTMP/MapServer/WMSServer
> http://mpp.praha.eu
> <http://mpp.praha.eu/arcgis/services/DTMP/DTMP/MapServer/WMSServer> - is
> working, but the arcgis server services are not ok (
> http://mpp.praha.eu/arcgis/services
> <http://mpp.praha.eu/arcgis/services/DTMP/DTMP/MapServer/WMSServer>).
>
> Regards,
> LM
>
>
> út 6. 11. 2018 v 13:42 odesílatel David Pavlíček <pavlicek.david at gmail.com>
> napsal:
>
>> Hi,
>> did you solve that Issue? I'm experiencing pretty much the same problem.
>> Our MapProxy yesterday starts to respond with: "error while processing
>> image file: cannot identify image file <mapproxy.image.ReadBufWrapper
>> object at 0x7f67d86e6c10>
>>
>> I reduce the config to simplest one possible, but with no luck. Error is
>> still there. Our config is as follows:
>>
>> services:
>>   demo:
>>   wms:
>>     srs: ['EPSG:5514']
>> sources:
>>   dtm_praha:
>>     type: wms
>>     req:
>>       url:
>> http://mpp.praha.eu/arcgis/services/DTMP/DTMP/MapServer/WMSServer?
>>       transparent: true
>>       layers: 0,1,2,3
>>
>> layers:
>>   - name: DTMP
>>     title: DTMP
>>     sources: [dtm_praha]
>> globals:
>>   image:
>>     resampling_method: bilinear
>>
>> We are running MapProxy under Apache2 on Debian Linux behind HTTP proxy.
>> Packages up to date. I also try to run developlment server with that
>> config. And output is:
>>
>> [2018-11-06 13:21:31,681] mapproxy.source.request - INFO - GET
>> http://mpp.praha.eu/arcgis/services/DTMP/DTMP/MapServer/WMSServer?styles=&format=image%2Fpng&height=899&bbox=-749443.5125,-1052941.0375,-749412.1875,-1052918.5625&transparent=True&layers=0,1,2,3&service=WMS&srs=EPSG%3A5514&request=GetMap&width=1253&version=1.1.1
>> 200 10.0 330
>> [2018-11-06 13:21:31,689] mapproxy.image - DEBUG - converting image from
>> ImageOptions(encoding_options={}, resampling='bilinear', transparent=True)
>> -> ImageOptions(bgcolor='#ffffff', colors=256, encoding_options={},
>> format='image/png', resampling='bilinear', transparent=True)
>> [2018-11-06 13:21:31,689] mapproxy.image - DEBUG -
>> file(<mapproxy.image.ReadBufWrapper object at 0x7f67d86e6c10>) -> image
>> [info] 10.144.35.192 - - [06/Nov/2018 13:21:31] "GET
>> /wms?SERVICE=WMS&VERSION=1.3.0&REQUEST=GetMap&FORMAT=image/png&TRANSPARENT=true&LAYERS=DTMP&CRS=EPSG%3A5514&STYLES=&WIDTH=1253&HEIGHT=899&BBOX=-749443.5125000001%2C-1052941.0375%2C-749412.1875000001%2C-1052918.5625
>> HTTP/1.1" 200 -
>>
>> But WMS response contains no image, only XML describing error mentioned
>> above.
>>
>> Any advices?
>>
>> st 4. 7. 2018 v 15:32 odesílatel Sebastijan Sekulić <
>> sebastijan.sekulic at gmail.com> napsal:
>>
>>> Hi,
>>> so I am trying to add a WMS source to my MapProxy, but on the demo page,
>>> I get an error.
>>> Error while processing image file: cannot identify image file
>>> <mapproxy.imageReadBufWrapper objerct at 0x7fbed4360f50>.
>>>
>>> I have tracked the error to Line 153 in wms.py (It stops at result_bf =
>>> result.as_buffer(img_opts)), if that helps. I think it should be something
>>> with pillow having a problem with the image format, but I don't have
>>> expertise in that.
>>>
>>> I don't get any console outputs except request (no errors).
>>>
>>> If I make a request with postman or with requests, it renders and
>>> downloads properly. The image format is png8, and I am using MapProxy 1.11
>>> on Ubuntu.
>>>
>>> If you need .yaml and request, I can provide as a download link or send
>>> privately, as I don't want to expose source links.
>>>
>>> Thanks,
>>> Seb.
>>> _______________________________________________
>>> MapProxy mailing list
>>> MapProxy at lists.osgeo.org
>>> https://lists.osgeo.org/mailman/listinfo/mapproxy
>>
>> _______________________________________________
>> MapProxy mailing list
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>
>
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