Missing results files

[jiewmeng]

I noticed that I randomly see instances where results files are missing even tho the job is completed. Even if I see results JSON in the scantron UI, the link points to a 404 page. If I try to find the results files on /home/scantron/console/for_bigdata_analytics its not found

[jacekjaros]

after adding new engine to cluster i have similar situation - data from old engine are processed, data from new node are saved to /home/scantron/console/scan_results/complete and wait for processing.

are there any steps i can perform to debug and fix this issue?