https://stackoverflow.com/questions/53008448/scrapy-spider-quits-without-error-messages-before-all-requests-yielded

a.log

2018-10-26 15:24:26 [scrapy.core.engine] DEBUG: Crawled (200) <GET http://guba.eastmoney.com/list,600000.html> (referer: http://guba.eastmoney.com/remenba.aspx?type=1&tab=1)
2018-10-26 15:24:27 [scrapy.downloadermiddlewares.redirect] DEBUG: Redirecting (302) to <GET http://guba.eastmoney.com/list,600000_2.html> from <GET http://guba.eastmoney.com/topic,600000_2.html>
2018-10-26 15:24:28 [scrapy.core.engine] DEBUG: Crawled (200) <GET http://guba.eastmoney.com/list,600000_2.html> (referer: http://guba.eastmoney.com/list,600000.html)
2018-10-26 15:24:31 [scrapy.downloadermiddlewares.redirect] DEBUG: Redirecting (302) to <GET http://guba.eastmoney.com/list,600000_3.html> from <GET http://guba.eastmoney.com/topic,600000_3.html>
2018-10-26 15:24:32 [scrapy.core.engine] DEBUG: Crawled (200) <GET http://guba.eastmoney.com/list,600000_3.html> (referer: http://guba.eastmoney.com/list,600000_2.html)
2018-10-26 15:24:33 [scrapy.downloadermiddlewares.redirect] DEBUG: Redirecting (302) to <GET http://guba.eastmoney.com/list,600000_4.html> from <GET http://guba.eastmoney.com/topic,600000_4.html>
2018-10-26 15:24:35 [scrapy.core.engine] DEBUG: Crawled (200) <GET http://guba.eastmoney.com/list,600000_4.html> (referer: http://guba.eastmoney.com/list,600000_3.html)
2018-10-26 15:24:35 [scrapy.downloadermiddlewares.redirect] DEBUG: Redirecting (302) to <GET http://guba.eastmoney.com/list,600000_5.html> from <GET http://guba.eastmoney.com/topic,600000_5.html>
2018-10-26 15:24:37 [scrapy.core.engine] DEBUG: Crawled (200) <GET http://guba.eastmoney.com/list,600000_5.html> (referer: http://guba.eastmoney.com/list,600000_4.html)
2018-10-26 15:24:37 [scrapy.downloadermiddlewares.redirect] DEBUG: Redirecting (302) to <GET http://guba.eastmoney.com/list,600000_6.html> from <GET http://guba.eastmoney.com/topic,600000_6.html>
2018-10-26 15:24:40 [scrapy.core.engine] DEBUG: Crawled (200) <GET http://guba.eastmoney.com/list,600000_6.html> (referer: http://guba.eastmoney.com/list,600000_5.html)
2018-10-26 15:24:41 [scrapy.downloadermiddlewares.redirect] DEBUG: Redirecting (302) to <GET http://guba.eastmoney.com/list,600000_7.html> from <GET http://guba.eastmoney.com/topic,600000_7.html>
2018-10-26 15:24:42 [scrapy.core.engine] DEBUG: Crawled (200) <GET http://guba.eastmoney.com/list,600000_7.html> (referer: http://guba.eastmoney.com/list,600000_6.html)
2018-10-26 15:24:43 [scrapy.downloadermiddlewares.redirect] DEBUG: Redirecting (302) to <GET http://guba.eastmoney.com/list,600000_8.html> from <GET http://guba.eastmoney.com/topic,600000_8.html>
2018-10-26 15:24:44 [scrapy.core.engine] DEBUG: Crawled (200) <GET http://guba.eastmoney.com/list,600000_8.html> (referer: http://guba.eastmoney.com/list,600000_7.html)
2018-10-26 15:24:45 [scrapy.downloadermiddlewares.redirect] DEBUG: Redirecting (302) to <GET http://guba.eastmoney.com/list,600000_9.html> from <GET http://guba.eastmoney.com/topic,600000_9.html>
2018-10-26 15:24:46 [scrapy.core.engine] DEBUG: Crawled (200) <GET http://guba.eastmoney.com/list,600000_9.html> (referer: http://guba.eastmoney.com/list,600000_8.html)
2018-10-26 15:24:46 [scrapy.downloadermiddlewares.redirect] DEBUG: Redirecting (302) to <GET http://guba.eastmoney.com/list,600000_10.html> from <GET http://guba.eastmoney.com/topic,600000_10.html>
2018-10-26 15:24:47 [scrapy.core.engine] DEBUG: Crawled (200) <GET http://guba.eastmoney.com/list,600000_10.html> (referer: http://guba.eastmoney.com/list,600000_9.html)
2018-10-26 15:24:49 [scrapy.downloadermiddlewares.redirect] DEBUG: Redirecting (302) to <GET http://guba.eastmoney.com/list,600000_11.html> from <GET http://guba.eastmoney.com/topic,600000_11.html>
2018-10-26 15:24:49 [scrapy.core.engine] DEBUG: Crawled (200) <GET http://guba.eastmoney.com/list,600000_11.html> (referer: http://guba.eastmoney.com/list,600000_10.html)
2018-10-26 15:24:50 [scrapy.downloadermiddlewares.redirect] DEBUG: Redirecting (302) to <GET http://guba.eastmoney.com/list,600000_12.html> from <GET http://guba.eastmoney.com/topic,600000_12.html>
2018-10-26 15:24:54 [scrapy.core.engine] DEBUG: Crawled (200) <GET http://guba.eastmoney.com/list,600000_12.html> (referer: http://guba.eastmoney.com/list,600000_11.html)
2018-10-26 15:24:55 [scrapy.downloadermiddlewares.redirect] DEBUG: Redirecting (302) to <GET http://guba.eastmoney.com/list,600000_13.html> from <GET http://guba.eastmoney.com/topic,600000_13.html>
2018-10-26 15:24:56 [scrapy.core.engine] DEBUG: Crawled (200) <GET http://guba.eastmoney.com/list,600000_13.html> (referer: http://guba.eastmoney.com/list,600000_12.html)
2018-10-26 15:24:56 [scrapy.downloadermiddlewares.redirect] DEBUG: Redirecting (302) to <GET http://guba.eastmoney.com/list,600000_14.html> from <GET http://guba.eastmoney.com/topic,600000_14.html>
2018-10-26 15:24:57 [scrapy.core.engine] DEBUG: Crawled (200) <GET http://guba.eastmoney.com/list,600000_14.html> (referer: http://guba.eastmoney.com/list,600000_13.html)
2018-10-26 15:24:58 [scrapy.downloadermiddlewares.redirect] DEBUG: Redirecting (302) to <GET http://guba.eastmoney.com/list,600000_15.html> from <GET http://guba.eastmoney.com/topic,600000_15.html>
2018-10-26 15:24:59 [scrapy.core.engine] DEBUG: Crawled (200) <GET http://guba.eastmoney.com/list,600000_15.html> (referer: http://guba.eastmoney.com/list,600000_14.html)
2018-10-26 15:24:59 [scrapy.downloadermiddlewares.redirect] DEBUG: Redirecting (302) to <GET http://guba.eastmoney.com/list,600000_16.html> from <GET http://guba.eastmoney.com/topic,600000_16.html>
2018-10-26 15:25:00 [scrapy.core.engine] DEBUG: Crawled (200) <GET http://guba.eastmoney.com/list,600000_16.html> (referer: http://guba.eastmoney.com/list,600000_15.html)
2018-10-26 15:25:00 [scrapy.downloadermiddlewares.redirect] DEBUG: Redirecting (302) to <GET http://guba.eastmoney.com/list,600000_17.html> from <GET http://guba.eastmoney.com/topic,600000_17.html>
2018-10-26 15:25:01 [scrapy.core.engine] DEBUG: Crawled (200) <GET http://guba.eastmoney.com/list,600000_17.html> (referer: http://guba.eastmoney.com/list,600000_16.html)
2018-10-26 15:25:02 [scrapy.downloadermiddlewares.redirect] DEBUG: Redirecting (302) to <GET http://guba.eastmoney.com/list,600000_18.html> from <GET http://guba.eastmoney.com/topic,600000_18.html>
2018-10-26 15:25:03 [scrapy.core.engine] DEBUG: Crawled (200) <GET http://guba.eastmoney.com/list,600000_18.html> (referer: http://guba.eastmoney.com/list,600000_17.html)
2018-10-26 15:25:04 [scrapy.downloadermiddlewares.redirect] DEBUG: Redirecting (302) to <GET http://guba.eastmoney.com/list,600000_19.html> from <GET http://guba.eastmoney.com/topic,600000_19.html>
2018-10-26 15:25:06 [scrapy.core.engine] DEBUG: Crawled (200) <GET http://guba.eastmoney.com/list,600000_19.html> (referer: http://guba.eastmoney.com/list,600000_18.html)
2018-10-26 15:25:06 [scrapy.downloadermiddlewares.redirect] DEBUG: Redirecting (302) to <GET http://guba.eastmoney.com/list,600000_20.html> from <GET http://guba.eastmoney.com/topic,600000_20.html>
2018-10-26 15:25:07 [scrapy.core.engine] DEBUG: Crawled (200) <GET http://guba.eastmoney.com/list,600000_20.html> (referer: http://guba.eastmoney.com/list,600000_19.html)
2018-10-26 15:25:08 [scrapy.downloadermiddlewares.redirect] DEBUG: Redirecting (302) to <GET http://guba.eastmoney.com/list,600000_21.html> from <GET http://guba.eastmoney.com/topic,600000_21.html>
2018-10-26 15:25:08 [scrapy.core.engine] DEBUG: Crawled (200) <GET http://guba.eastmoney.com/list,600000_21.html> (referer: http://guba.eastmoney.com/list,600000_20.html)
2018-10-26 15:25:09 [scrapy.downloadermiddlewares.redirect] DEBUG: Discarding <GET http://guba.eastmoney.com/topic,600000_22.html>: max redirections reached
2018-10-26 15:25:09 [scrapy.core.engine] INFO: Closing spider (finished)