** Changed in: thumbnailer (Ubuntu)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1511553
Title:
Crash in queueRequest
** Changed in: thumbnailer (Ubuntu)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1511553
Title:
Crash in queueRequest
Well I'd also argue that level DB is a problem too, if it can't say "try
acquire lock up to some timeout". If it can only do an immediate "lock
could not be acquired" type failure, I guess it's not the end of the
world to try and get the lock every n milliseconds up to the timeout
instead.
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Yes, fair point, although this functionality is really easy to layer on
top so, arguably, not leveldb's job. But what is annoying is that, when
the DB is locked, no unique error code is returned for the condition.
Instead, the fact that the DB is locked gets lumped into the same status
code that
** Changed in: thumbnailer (Ubuntu)
Assignee: (unassigned) => Michi Henning (michihenning)
** Changed in: thumbnailer (Ubuntu)
Status: Confirmed => In Progress
** Branch linked: lp:~michihenning/thumbnailer/destructor-crash
** Branch linked:
Thanks Pete! It's sort of a catch-22: if I shut down the dbus connection
first, a new instance can be started while the old instance is still in
the process of shutting down. And if I destroy the db instance first,
requests can still be dispatched that now no longer have a valid target.
The
The way DBus handles this is very basic. It queues up the requests to
the name. So you'll have to release the name before you close the
database. I might suggest you could make your service wait to acquire a
database lock up to a certain timeout on startup. This would mean that
the second instance
** Also affects: thumbnailer (Ubuntu)
Importance: Undecided
Status: New
** Changed in: thumbnailer (Ubuntu)
Importance: Undecided => High
** No longer affects: thumbnailer
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: thumbnailer (Ubuntu)
Status: New => Confirmed
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