[Pywps-dev] Raster Output error
Jachym Cepicky
jachym.cepicky at gmail.com
Tue Jun 21 08:40:19 PDT 2016
hi,
if you are running pywps in apache2, it's usually /var/log/apache2/error.log
if flask - it should be written to the command line
look for some pythonish error
po 20. 6. 2016 v 17:29 odesílatel Lorenzo Bottaccioli <
lorenzo.bottaccioli at gmail.com> napsal:
> Hi Jachym,
>
> As I wrote in the previous mail I have changed
>
> response.outputs['response'].file* = 'done' *in
> response.outputs['response'].data = 'done' .
>
> But I stil get an error:
> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
> <title>500 Internal Server Error</title>
> <h1>Internal Server Error</h1>
> <p>The server encountered an internal error and was unable to complete
> your request. Either the server is overloaded or there is an error in the
> application.</p>
>
>
> Which is the HTTPD error.log file? The pywps.log file is always empty and
> the log level is set to DEBUG
> Best,
>
> Lorenzo
>
> 2016-06-18 23:39 GMT+02:00 Jachym Cepicky <jachym.cepicky at gmail.com>:
>
>> hi,
>>
>> as jonas was saying: response.outputs['response'].data = 'done' should
>> work better
>>
>> Lorenzo: do you get anything in the HTTPD server error.log file?
>>
>> pá 10. 6. 2016 v 15:30 odesílatel Lorenzo Bottaccioli <
>> lorenzo.bottaccioli at gmail.com> napsal:
>>
>>> Hi,
>>>
>>> I'have changed from file to data in response.outputs['response'].data =
>>> 'done', but bow I still get an error in the response.
>>>
>>> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
>>> <title>500 Internal Server Error</title>
>>> <h1>Internal Server Error</h1>
>>> <p>The server encountered an internal error and was unable to complete
>>> your request. Either the server is overloaded or there is an error in the
>>> application.</p>
>>>
>>>
>>> The GET request is written like this:
>>>
>>>
>>> http://130.192.5.114:8080/wps?service=wps&version=1.0.0&request=execute&Identifier=rast_try&datainputs=raster=@xlink:href=file:///home/lorenzo/aspect_1ifGBx0
>>>
>>> In the terminal I dont get any error report.
>>>
>>> Tnx,
>>>
>>> Lorenzo
>>>
>>> 2016-06-10 10:20 GMT+02:00 Jonas Eberle <jonas.eberle at gmx.de>:
>>>
>>>> The error "no such file or directory" comes from the following line:
>>>> response.outputs['response'].file = 'done'
>>>>
>>>> As response is a LiteralOutput I guess it is not correct to use
>>>> the file attribute, better use the data attribute:
>>>> response.outputs['response'].data = 'done'
>>>>
>>>> Cheers,
>>>> Jonas
>>>>
>>>> ----- Am 10. Jun 2016 um 10:13 schrieb Jachym Cepicky <
>>>> jachym.cepicky at gmail.com>:
>>>>
>>>> Hi Lorenzo,
>>>> There are two bugs as I understand. The first one:
>>>>
>>>> IOError: [Errno 2] No such file or directory:
>>>> '/tmp/pywps/pypws_process_lQqN_6/done'
>>>>
>>>> do you have /tmp/pywps/ directory in you system (and is it writeable?)
>>>>
>>>> The second bug is about attempt to write log to database
>>>>
>>>> nice report btw, with the process I believe, we can fix it (both) once
>>>> we find out what the problem could be
>>>>
>>>> Jachym
>>>>
>>>>
>>>> st 8. 6. 2016 v 11:50 odesílatel Lorenzo Bottaccioli <
>>>> lorenzo.bottaccioli at gmail.com> napsal:
>>>>
>>>>> Hi List,
>>>>>
>>>>> I'm trying to run a process that recives a GeoTIFF as input and
>>>>> response a GeoTIFF as output. But I'm having an error. The process is this:
>>>>> from pywps import Process, ComplexInput, ComplexOutput,
>>>>> get_format,LiteralOutput, Format
>>>>>
>>>>>
>>>>> class Raster(Process):
>>>>>
>>>>> def __init__(self):
>>>>> inputs = [ComplexInput('raster','Raster
>>>>> input',[Format('GEOTIFF')])]
>>>>>
>>>>> outputs = [ComplexOutput('raster_out', 'Raster
>>>>> output',[Format('GEOJSON')]),LiteralOutput('response', 'Output response',
>>>>> data_type='string')]
>>>>> super(Raster, self).__init__(
>>>>> self._handler,
>>>>> identifier='rast_try',
>>>>> title='Raster try',
>>>>> inputs=inputs,
>>>>> outputs=outputs,
>>>>> store_supported=True,
>>>>> status_supported=True
>>>>> )
>>>>>
>>>>> def _handler(self, request, response):
>>>>>
>>>>> from osgeo import gdal
>>>>> app=request.inputs['raster'][0].file
>>>>> inds = gdal.Open(app)
>>>>> outdriver = gdal.GetDriverByName('GTiff')
>>>>> outds = outdriver.CreateCopy('output.tiff', inds)
>>>>> outds.FlushCache()
>>>>> response.outputs['raster_out'].output_format =
>>>>> Format('GEOTIFF')
>>>>> response.outputs['raster_out'].file = 'output.tiff'
>>>>> response.outputs['response'].file = 'done'
>>>>> return response
>>>>>
>>>>> The error that I recive is this one:
>>>>>
>>>>> Traceback (most recent call last):
>>>>> File
>>>>> "/usr/local/lib/python2.7/dist-packages/pywps-4.0-py2.7.egg/pywps/app/Process.py",
>>>>> line 156, in _run_process
>>>>> wps_response.update_status('PyWPS Process finished', 100)
>>>>> File
>>>>> "/usr/local/lib/python2.7/dist-packages/pywps-4.0-py2.7.egg/pywps/app/WPSResponse.py",
>>>>> line 41, in update_status
>>>>> self.doc = self._construct_doc()
>>>>> File
>>>>> "/usr/local/lib/python2.7/dist-packages/pywps-4.0-py2.7.egg/pywps/app/WPSResponse.py",
>>>>> line 171, in _construct_doc
>>>>> output_elements = [self.outputs[o].execute_xml() for o in
>>>>> self.outputs]
>>>>> File
>>>>> "/usr/local/lib/python2.7/dist-packages/pywps-4.0-py2.7.egg/pywps/inout/outputs.py",
>>>>> line 276, in execute_xml
>>>>> literal_data_doc = WPS.LiteralData(text_type(self.data))
>>>>> File
>>>>> "/usr/local/lib/python2.7/dist-packages/pywps-4.0-py2.7.egg/pywps/inout/basic.py",
>>>>> line 231, in get_data
>>>>> return IOHandler.get_data(self)
>>>>> File
>>>>> "/usr/local/lib/python2.7/dist-packages/pywps-4.0-py2.7.egg/pywps/inout/basic.py",
>>>>> line 173, in get_data
>>>>> file_handler = open(self.source, mode='r')
>>>>> IOError: [Errno 2] No such file or directory:
>>>>> '/tmp/pywps/pypws_process_lQqN_6/done'
>>>>> ERROR:root:Service error: near "''": syntax error
>>>>> Traceback (most recent call last):
>>>>> File
>>>>> "/usr/local/lib/python2.7/dist-packages/pywps-4.0-py2.7.egg/pywps/app/Service.py",
>>>>> line 358, in _parse_and_execute
>>>>> wps_response = process.execute(wps_request, uuid)
>>>>> File
>>>>> "/usr/local/lib/python2.7/dist-packages/pywps-4.0-py2.7.egg/pywps/app/Process.py",
>>>>> line 145, in execute
>>>>> wps_response = self._run_process(wps_request, wps_response)
>>>>> File
>>>>> "/usr/local/lib/python2.7/dist-packages/pywps-4.0-py2.7.egg/pywps/app/Process.py",
>>>>> line 178, in _run_process
>>>>> wps_response.update_status('Process error: %s.%s Line %i %s' %
>>>>> (fname, method_name, exc_tb.tb_lineno, e), -1)
>>>>> File
>>>>> "/usr/local/lib/python2.7/dist-packages/pywps-4.0-py2.7.egg/pywps/app/WPSResponse.py",
>>>>> line 47, in update_status
>>>>> update_response(self.uuid, self)
>>>>> File
>>>>> "/usr/local/lib/python2.7/dist-packages/pywps-4.0-py2.7.egg/pywps/dblog.py",
>>>>> line 67, in update_response
>>>>> cur.execute(update)
>>>>> OperationalError: near "''": syntax error
>>>>>
>>>>>
>>>>> How can I fix this?
>>>>>
>>>>> Best,
>>>>>
>>>>> Lorenzo
>>>>>
>>>>> _______________________________________________
>>>>> pywps-dev mailing list
>>>>> pywps-dev at lists.osgeo.org
>>>>> http://lists.osgeo.org/mailman/listinfo/pywps-dev
>>>>
>>>>
>>>> _______________________________________________
>>>> pywps-dev mailing list
>>>> pywps-dev at lists.osgeo.org
>>>> http://lists.osgeo.org/mailman/listinfo/pywps-dev
>>>>
>>>>
>>>>
>>>
>
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