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"Exception Caught: Must have data to write to external storage" when blanking topic summary
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Description

I get something similar to T108348: Allow user to create new board at Special:EnableFlow without description locally (with my External Storage patch), when blanking an existing summary. I can't reproduce it in production currently, but I'm not sure why.

Event Timeline

Mattflaschen-WMF raised the priority of this task from to Needs Triage.
Mattflaschen-WMF updated the task description. (Show Details)
Restricted Application added a project: Collaboration-Team-Triage. · View Herald TranscriptAug 19 2015, 6:22 AM
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Catrope triaged this task as Low priority.Aug 19 2015, 11:22 PM
Catrope added a subscriber: Catrope.
Mattflaschen-WMF added a comment.EditedAug 20 2015, 6:36 PM

It turns out in production, the blank test I did ended up in External store with length 2 (so not really blank). Maybe due to a Parsoid difference, not sure. I forget which (VE or wikitext) I submitted as locally.