core data merge errors on 10.9
core data merge errors on 10.9
- Subject: core data merge errors on 10.9
- From: Martin Hewitson <email@hidden>
- Date: Fri, 25 Oct 2013 20:46:20 +0200
Dear list,
I have two different core data apps, both of which are exhibiting similar behaviour in that they sometimes (for some changes in some properties) can’t save the MOC. Here is an example error I get when using
[moc save:error]
Error Domain=NSCocoaErrorDomain Code=133020 "Could not merge changes." UserInfo=0x7feb8e2edf90 {conflictList=(
"NSMergeConflict (0x7feb8e2d68b0) for NSManagedObject (0x7feb8e07d610) with objectID '0x54000ab <x-coredata://DE6DE351-C155-4C70-A1CB-3BFEAA0AE69C/Theme/p21>' with oldVersion = 22 and newVersion = 23 and old object snapshot = {\n color = <62706c69 73743030 d4010203 04050615 16582476 65727369 6f6e5824 6f626a65 63747359 24617263 68697665 72542474 6f701200 0186a0a3 07080f55 246e756c 6cd3090a 0b0c0d0e 554e5352 47425c4e 53436f6c 6f725370 61636556 24636c61 73734f10 28302e37 30353838 32333730 3520302e 31313736 34373035 39332030 2e303339 32313536 38373636 00100180 02d21011 12135a24 636c6173 736e616d 65582463 6c617373 6573574e 53436f6c 6f72a212 14584e53 4f626a65 63745f10 0f4e534b 65796564 41726368 69766572 d1171854 726f6f74 80010811 1a232d32 373b4148 4e5b628d 8f9196a1 aab2b5be d0d3d800 00000000 00010100 00000000 00001900 00000000 00000000 00000000 0000da>;\n name = Discussion;\n} and new cached row = {\n color = <62706c69 73743030 d4010203 04050615 16582476 65727369 6f6e5824 6f626a65 63747359 24617263 68697665 72542474 6f701200 0186a0a3 07080f55 246e756c 6cd3090a 0b0c0d0e 554e5352 47425c4e 53436f6c 6f725370 61636556 24636c61 73734f10 28302e37 30353838 32333730 3520302e 31313736 34373035 39332030 2e303339 32313536 38373636 00100180 02d21011 12135a24 636c6173 736e616d 65582463 6c617373 6573574e 53436f6c 6f72a212 14584e53 4f626a65 63745f10 0f4e534b 65796564 41726368 69766572 d1171854 726f6f74 80010811 1a232d32 373b4148 4e5b628d 8f9196a1 aab2b5be d0d3d800 00000000 00010100 00000000 00001900 00000000 00000000 00000000 0000da>;\n name = Discussion;\n}"
)}
Both apps are fairly bog-standard core data shoe box apps which have been working fine since 10.6. These problems just started to appear on 10.9.
Any ideas what I can try or what might have changed to cause these problems?
Many thanks,
Martin
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