Fail to generate pdf report:openerp\addons\report\models\report.py", line 513, in _generate_wkhtml_pdf

[shennushi]

OS: Windows 7:
OpenERP Version: 8.0/Trunk openerp-8.0dev-20140407-230101
Module: report
Summary: Fail to call _generate_wkhtml_pdf,

2014-04-15 07:26:49,857 10060 INFO OE_8_TEST3 werkzeug: 127.0.0.1 - - [15/Apr/2014 07:26:49] "POST /report/download HTTP/1.1" 500 -
2014-04-15 07:26:50,677 10060 ERROR OE_8_TEST3 werkzeug: Error on request:
Traceback (most recent call last):
  File "werkzeug\serving.py", line 177, in run_wsgi

  File "werkzeug\serving.py", line 165, in execute

  File "E:\OpenERP-8.0dev-20140407-230101-3\server\openerp\service\server.py", line 261, in app
    return self.app(e, s)
  File "E:\OpenERP-8.0dev-20140407-230101-3\server\openerp\service\wsgi_server.py", line 215, in application
    return application_unproxied(environ, start_response)
  File "E:\OpenERP-8.0dev-20140407-230101-3\server\openerp\service\wsgi_server.py", line 201, in application_unproxied
    result = handler(environ, start_response)
  File "E:\OpenERP-8.0dev-20140407-230101-3\server\openerp\http.py", line 1105, in __call__
    return self.dispatch(environ, start_response)
  File "E:\OpenERP-8.0dev-20140407-230101-3\server\openerp\http.py", line 1082, in __call__
    return self.app(environ, start_wrapped)
  File "werkzeug\wsgi.py", line 579, in __call__

  File "E:\OpenERP-8.0dev-20140407-230101-3\server\openerp\http.py", line 1242, in dispatch
    result = ir_http._dispatch()
  File "E:\OpenERP-8.0dev-20140407-230101-3\server\openerp\addons\base\ir\ir_http.py", line 120, in _dispatch
    return self._handle_exception(e)
  File "E:\OpenERP-8.0dev-20140407-230101-3\server\openerp\addons\base\ir\ir_http.py", line 89, in _handle_exception
    return request._handle_exception(exception)
  File "E:\OpenERP-8.0dev-20140407-230101-3\server\openerp\addons\base\ir\ir_http.py", line 116, in _dispatch
    result = request.dispatch()
  File "E:\OpenERP-8.0dev-20140407-230101-3\server\openerp\http.py", line 545, in dispatch
    r = self._call_function(**self.params)
  File "E:\OpenERP-8.0dev-20140407-230101-3\server\openerp\http.py", line 302, in _call_function
    return checked_call(self.db, *args, **kwargs)
  File "E:\OpenERP-8.0dev-20140407-230101-3\server\openerp\service\model.py", line 113, in wrapper
    return f(dbname, *args, **kwargs)
  File "E:\OpenERP-8.0dev-20140407-230101-3\server\openerp\http.py", line 299, in checked_call
    return self.endpoint(*a, **kw)
  File "E:\OpenERP-8.0dev-20140407-230101-3\server\openerp\http.py", line 646, in __call__
    return self.method(*args, **kw)
  File "E:\OpenERP-8.0dev-20140407-230101-3\server\openerp\http.py", line 345, in response_wrap
    response = f(*args, **kw)
  File "E:\OpenERP-8.0dev-20140407-230101-3\server\openerp\addons\report\controllers\main.py", line 111, in report_download
    response = self.report_pdf(reportname, docids)
  File "E:\OpenERP-8.0dev-20140407-230101-3\server\openerp\http.py", line 345, in response_wrap
    response = f(*args, **kw)
  File "E:\OpenERP-8.0dev-20140407-230101-3\server\openerp\addons\report\controllers\main.py", line 45, in report_pdf
    pdf = request.registry['report'].get_pdf(cr, uid, docids, reportname, context=context)
  File "E:\OpenERP-8.0dev-20140407-230101-3\server\openerp\addons\report\models\report.py", line 376, in get_pdf
    paperformat, specific_paperformat_args, save_in_attachment
  File "E:\OpenERP-8.0dev-20140407-230101-3\server\openerp\addons\report\models\report.py", line 513, in _generate_wkhtml_pdf
    'Message: %s') % (str(process.returncode), err))
except_orm: (u'Report (PDF)', u'wkhtmltopdf failed with error code = 1. Message: Loading pages (1/6)\r\n[>
               ] 0%\r[======> ] 10%\r[============================================================
] 100%\rError: Failed loading page file:///C:/users/ocean/appdata/local/temp/report.body.tmp.nucrxz.html (sometimes it will work just to ignore this e
rror with --load-error-handling ignore)\r\n')