集群下出错 'WoaiduSpider' object has no attribute 'downloaded'

[CoolView]

错误一：

Traceback (most recent call last):
      File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 577, in _runCallbacks
        current.result = callback(current.result, *args, **kw)
      File "/home/zb/workpace/new/distribute_crawler-master/woaidu_crawler/woaidu_crawler/pipelines/mongodb_book_file.py", line 134, in process_item
        dfd.addCallback(self.item_completed, item, info)
      File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 306, in addCallback
        callbackKeywords=kw)
      File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 295, in addCallbacks
        self._runCallbacks()
    --- <exception caught here> ---
      File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 577, in _runCallbacks
        current.result = callback(current.result, *args, **kw)
      File "/home/zb/workpace/new/distribute_crawler-master/woaidu_crawler/woaidu_crawler/pipelines/mongodb_book_file.py", line 274, in item_completed
        if self.item_download[item['original_url']]:
    exceptions.KeyError: 'http://www.woaidu.org/book_196826.html'

错误二：

Traceback (most recent call last):
      File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 577, in _runCallbacks
        current.result = callback(current.result, *args, **kw)
      File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 839, in _cbDeferred
        self.callback(self.resultList)
      File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 382, in callback
        self._startRunCallbacks(result)
      File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 490, in _startRunCallbacks
        self._runCallbacks()
    --- <exception caught here> ---
      File "/usr/lib/python2.7/dist-packages/twisted/internet/defer.py", line 577, in _runCallbacks
        current.result = callback(current.result, *args, **kw)
      File "/home/zb/workpace/new/distribute_crawler-master/woaidu_crawler/woaidu_crawler/pipelines/mongodb_book_file.py", line 132, in process_item
        dlist = [self._process_request(r, info) for r in requests]
      File "/usr/lib/pymodules/python2.7/scrapy/contrib/pipeline/media.py", line 53, in _process_request
        if fp in info.downloaded:
    exceptions.AttributeError: 'WoaiduSpider' object has no attribute 'downloaded'

[CoolView]

修改woaidu_crawler/pipelines/mongodb_book_file.py下130的
line 130:info = self.spiderinfo.spider为
info = self.spiderinfo
(不保证正确)