在CentOS上的CKAN（版本2.4.1）的实例中安装/配置扩展datapusher，按照源（生产步骤）中的安装指南的步骤，将datapusher安装在默认位置，配置Apache等。 ，用wsgi模块启动apache whitin错误：
[Wed Oct 21 17:54:53 2015] [info] mod_wsgi (pid=29799): Starting process 'ckan_gva_dp' with uid=48, gid=48 and threads=15.
[Wed Oct 21 17:54:53 2015] [info] mod_wsgi (pid=29800): Initializing Python.
[Wed Oct 21 17:54:53 2015] [info] mod_wsgi (pid=29804): Initializing Python.
[Wed Oct 21 17:54:53 2015] [info] mod_wsgi (pid=29805): Initializing Python.
[Wed Oct 21 17:54:53 2015] [notice] Apache/2.2.15 (Unix) DAV/2 mod_wsgi/3.2 Python/2.6.6 configured -- resuming normal operations
[Wed Oct 21 17:54:53 2015] [info] Server built: Aug 24 2015 17:50:06
[Wed Oct 21 17:54:53 2015] [info] mod_wsgi (pid=29806): Initializing Python.
但是当测试数据器调用端口8800时，请尝试回复500错误，并在日志中显示以下消息：
[Wed Oct 21 19:00:55 2015] [info] [client 10.115.100.69] mod_wsgi (pid=29800, process='ckan_gva_dp', application='ckan-gva:8800|'): Loading WSGI script '/etc/ckan/datapusher.wsgi'.
[Wed Oct 21 19:00:55 2015] [error] [client 10.115.100.69] mod_wsgi (pid=29800): Target WSGI script '/etc/ckan/datapusher.wsgi' cannot be loaded as Python module.
[Wed Oct 21 19:00:55 2015] [error] [client 10.115.100.69] mod_wsgi (pid=29800): Exception occurred processing WSGI script '/etc/ckan/datapusher.wsgi'.
[Wed Oct 21 19:00:55 2015] [error] [client 10.115.100.69] Traceback (most recent call last):
[Wed Oct 21 19:00:55 2015] [error] [client 10.115.100.69] File "/etc/ckan/datapusher.wsgi", line 10, in <module>
[Wed Oct 21 19:00:55 2015] [error] [client 10.115.100.69] web.init()
[Wed Oct 21 19:00:55 2015] [error] [client 10.115.100.69] File "/usr/lib/ckan/datapusher/lib/python2.6/site-packages/ckanserviceprovider/web.py", line 50, in init
[Wed Oct 21 19:00:55 2015] [error] [client 10.115.100.69] _configure_logger()
[Wed Oct 21 19:00:55 2015] [error] [client 10.115.100.69] File "/usr/lib/ckan/datapusher/lib/python2.6/site-packages/ckanserviceprovider/web.py", line 121, in _configure_logger
[Wed Oct 21 19:00:55 2015] [error] [client 10.115.100.69] _configure_logger_for_production(logging.getLogger())
[Wed Oct 21 19:00:55 2015] [error] [client 10.115.100.69] File "/usr/lib/ckan/datapusher/lib/python2.6/site-packages/ckanserviceprovider/web.py", line 98, in _configure_logger_for_production
[Wed Oct 21 19:00:55 2015] [error] [client 10.115.100.69] app.config.get('LOG_FILE'), maxBytes=67108864, backupCount=5)
[Wed Oct 21 19:00:55 2015] [error] [client 10.115.100.69] File "/usr/lib/python2.6/logging/handlers.py", line 112, in __init__
[Wed Oct 21 19:00:55 2015] [error] [client 10.115.100.69] BaseRotatingHandler.__init__(self, filename, mode, encoding, delay)
[Wed Oct 21 19:00:55 2015] [error] [client 10.115.100.69] File "/usr/lib/python2.6/logging/handlers.py", line 64, in __init__
[Wed Oct 21 19:00:55 2015] [error] [client 10.115.100.69] logging.FileHandler.__init__(self, filename, mode, encoding, delay)
[Wed Oct 21 19:00:55 2015] [error] [client 10.115.100.69] File "/usr/lib/python2.6/logging/__init__.py", line 835, in __init__
[Wed Oct 21 19:00:55 2015] [error] [client 10.115.100.69] StreamHandler.__init__(self, self._open())
[Wed Oct 21 19:00:55 2015] [error] [client 10.115.100.69] File "/usr/lib/python2.6/logging/__init__.py", line 854, in _open
[Wed Oct 21 19:00:55 2015] [error] [client 10.115.100.69] stream = open(self.baseFilename, self.mode)
[Wed Oct 21 19:00:55 2015] [error] [client 10.115.100.69] IOError: [Errno 13] Permission denied: '/tmp/ckan_service.log'
我尝试更改文件夹/ tmp（777）的权限，为wsgi脚本添加执行权限，检查requeriments.txt中指定的所有依赖项是否已安装，以及datapusher的活动环境等，ckan_service。日志是空的......
¿有些想法？