[tahoe-lafs-trac-stream] [tahoe-lafs] #1042: KeyError exception seen in log when doing a mutable publish on the pubgrid

[tahoe-lafs]

#1042: KeyError exception seen in log when doing a mutable publish on the pubgrid
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     Reporter:  davidsarah    |      Owner:
         Type:  defect        |     Status:  new
     Priority:  major         |  Milestone:  eventually
    Component:  code-mutable  |    Version:  1.6.1
   Resolution:                |   Keywords:  mutable upload reliability
Launchpad Bug:                |
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Comment (by davidsarah):

 The bug in #1510 caused a situation where there were stored shares for an
 SDMF file with higher shnums than expected. When the resulting file is
 updated using version 1.8.2 (or earlier, presumably), this would cause a
 !KeyError almost identical to the one in [attachment:log.txt]. This
 situation is still inadequately tested, but note that it may cause
 different errors after 1.9 (specifically, after the MDMF changes were
 landed) than before 1.9.

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Ticket URL: <http://tahoe-lafs.org/trac/tahoe-lafs/ticket/1042#comment:6>
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