[Bug 285973] New: "given folder name is empty" messages in akonadi's debug output

[S. Burmeister]

https://bugs.kde.org/show_bug.cgi?id=285973

           Summary: "given folder name is empty" messages in akonadi's
                    debug output
           Product: Akonadi
           Version: unspecified
          Platform: openSUSE RPMs
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: Mixed Maildir resource
        AssignedTo: kdepim-bugs at kde.org
        ReportedBy: sven.burmeister at gmx.net
                CC: kevin.krammer at gmx.at


Version:           unspecified (using KDE 4.7.2) 
OS:                Linux

If I have a look at akonadi's debug output I see the following. It does not go
away, i.e. either the cause is not resolved or new instances are added daily.

Translation for the German bits: Given folder name is empty.

Could this be related to: bug 285895 which "forgets" local-mail as folder name
and stores the data where it would land if local-mail was empty, i.e. not used?

akonadi_mixedmaildir_resource_0(29641)/akonadiresource (maildir)
RetrieveItemsJob::Private::fetchChangedResult: Store fetch for changed item
"2252271" in collection -59 , "" did not return the expected item. error= 102 ,
"Der angegebene Ordnername ist leer" 
akonadi_mixedmaildir_resource_0(29641)/akonadiresource (maildir): "Der
angegebene Ordnername ist leer" collection: Collection ID: -590    remote ID:
"" 
   name: "" 
   url: KUrl("akonadi:?collection=-590") 
   parent: -59 "" 
   resource: "" 
   rights: QFlags(0x1|0x2|0x4|0x8|0x10|0x20) 
   contents mime type: () 
    CachePolicy:  
   inherit: true 
   interval: -1 
   timeout: -1 
   sync on demand: false 
   local parts: () 
    CollectionStatistics: 
   count: -1 
   unread count: -1 
   size: -1 
akonadi_mixedmaildir_resource_0(29641)/akonadiresource (maildir)
RetrieveItemsJob::Private::fetchChangedResult: Store fetch for changed item
"2260684" in collection -59 , "" did not return the expected item. error= 102 ,
"Der angegebene Ordnername ist leer" 
akonadi_mixedmaildir_resource_0(29641)/akonadiresource (maildir): "Der
angegebene Ordnername ist leer" collection: Collection ID: -592    remote ID:
"" 
   name: "" 
   url: KUrl("akonadi:?collection=-592") 
   parent: -59 "" 
   resource: "" 
   rights: QFlags(0x1|0x2|0x4|0x8|0x10|0x20) 
   contents mime type: () 
    CachePolicy:  
   inherit: true 
   interval: -1 
   timeout: -1 
   sync on demand: false 
   local parts: () 
    CollectionStatistics: 
   count: -1 
   unread count: -1 
   size: -1 
akonadi_mixedmaildir_resource_0(29641)/akonadiresource (maildir)
RetrieveItemsJob::Private::fetchChangedResult: Store fetch for changed item
"2269180" in collection -59 , "" did not return the expected item. error= 102 ,
"Der angegebene Ordnername ist leer" 
akonadi_mixedmaildir_resource_0(29641)/akonadiresource (maildir): "Der
angegebene Ordnername ist leer" collection: Collection ID: -594    remote ID:
"" 
   name: "" 
   url: KUrl("akonadi:?collection=-594") 
   parent: -59 "" 
   resource: "" 
   rights: QFlags(0x1|0x2|0x4|0x8|0x10|0x20) 
   contents mime type: () 
    CachePolicy:  
   inherit: true 
   interval: -1 
   timeout: -1 
   sync on demand: false 
   local parts: () 
    CollectionStatistics: 
   count: -1 
   unread count: -1 
   size: -1 


Reproducible: Didn't try

Steps to Reproduce:
Start akonadi and watch out for the debug messages

Actual Results:  
akonadi tries to use data with empty folder name

Expected Results:  
fix the data, i.e. either ask the user or be clever about why there is no
folder name and what it should be

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