https://bugs.kde.org/show_bug.cgi?id=283682
--- Comment #183 from BingMyBong <bingmyb...@btinternet.com> --- On Wednesday, 5 April 2017 08:53:00 BST you wrote: > https://bugs.kde.org/show_bug.cgi?id=283682 > > --- Comment #182 from Martin Koller <kol...@aon.at> --- > Just for the records, I once tried to dig into the Akonadi code to find the > bug. > I put my analysis to the other bug report, which is now set to a duplicate > of this. > https://bugs.kde.org/show_bug.cgi?id=362398#c5 > Just that it does not get lost, and I still think my findings are correct, > here is it again: > > I'm hunting the "duplicate mail bug" and I think I've found a bug in the > Akonadi Server. > What happens here is the following: > - a resource adds a new mail item (id=3, collection=17) > - Akonadi sends "Item added" to the filter agent > - filter agent sends a "move" command to move item id=3 from collection=17 > to collection=19 > - Akonadi sends "item added" to the maildir resource (this is the first > "added" message from the creation, so the > item still has id=3 collection=17) > - I'd say in the Akonadi DB the collectionId of item=3 is now 19 (after the > move) > - Now the maildir resource gets triggered by its internal file watcher and > triggers a sync > - maildir gets called with retrieveItems and lists what it has on disc, > which is the item (id=3) in the collection=17 > - Akonadi receives this and inside Merge::parseStream() there the bad thing > happens: > It hits this "if" branch (server/src/handler/merge.cpp Line 301) > // No item with such GID/RID exists, so call AkAppend::insert() and > behave > // like if this was a new item > and INSERTS the item AGAIN into collection=17 with a new id=4 > Now I have the same mail item twice in the DB > Since the maildir "itemsRetrieved" answer contains for the first time the > RID, the newly inserted item gets this RID, > and the previously intserted one id=3 does not and is left alone with a > NULL RID > > > Someone more knowledgeable about the Akonadi internals should have a look, > please. Good work. You could post this to kdepim-users list as Daniel Vrátil, who i think is the prime dev on akonadi, appears to frequent this list. Or if you are not a member i can forward for you. -- You are receiving this mail because: You are watching all bug changes.
