Comment 18 for bug 1506358

Although the offending exception might have been a regression from:

------------------------------------------------------------
revno: 2870 [merge]
author: Kevin DuBois <email address hidden>
committer: Tarmac
branch nick: development-branch
timestamp: Fri 2015-08-21 14:52:44 +0000
message:
  client: Do some internal refactoring to separate out mcl::BufferStream's logic that ties it to the BufferDepository. If the client gets a buffer at creation, it will use the exchange based system. If not, it will keep the current behavior of throwing an exception.
  .

  Approved by PS Jenkins bot, Alan Griffiths, Chris Halse Rogers, Alexandros Frantzis.
------------------------------------------------------------

We probably don't have to fix it directly... Because Mir 0.24.0 aims to avoid this old code path for good, and you shouldn't ever hit it again.