Debugging advice - attempt to insert nil value
Hello,
I have a program that gets its data from a lot of XML files.
When working on the XML files, if I do something wrong like, misspell a tag, or put a file that doesn't exists between the tags, or something like that, I often get this error.
iPhone_Comprehension[7991:207] * Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '* -[NSCFDictionary setObject:forKey:]: attempt to insert nil value (key: TheFilename)'
Then it also gives some Stack information that I can't grok.
These are always tough for me to debug because I never know where in the XML file the mistake was made.
Is there an easier or more efficient way to identify the source of these errors? Or do I have to go through the XML file line by line until I discover my mistake?
Thanks for any help on this!
Harvey
I'll tell you what I've done in the past....
When I'm working with a data file that suddenly brings down the tent, I split it up* (segments A & B) and try again.
If it works with segment A, you know that the cruft is in segment B.
Repeat the split (you now have A, B & C) and try with B. If it works you know the issue is within those 500 lines that represent C. You've just quickly eliminated 1500 lines you don't have to be concerned with. When you stop splitting/segmenting and start manually scanning again depends on your scanning skills.
I can read/scan 3000 words per minute - the size of my blocks actually depends on the size of the original file. *I really don't bother segmenting as a ts tactic until I get around 5k lines in a data file, so if the total is less, I'll just scan.
Now, of course, all of this assumes you've given up on undo's or backup files, etc. That part of coding discipline is another topic and at this point, I'm concluding you've decided that they don't work for your current issue(s).
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I would reinstall OS X:
Reinstall OS X without erasing the drive
Do the following:
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Boot from your Snow Leopard Installer disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Utilities menu. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer.
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If the drive is OK then quit DU and return to the installer. Proceed with reinstalling OS X. Note that the Snow Leopard installer will not erase your drive or disturb your files. After installing a fresh copy of OS X the installer will move your Home folder, third-party applications, support items, and network preferences into the newly installed system.
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#6 0x000000010000fc7d in ?? ()
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#8 0x00007fff8397cf91 in -[ISyncConcreteSessionDriver _sync:] ()
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#10 0x000000010001e9d0 in ?? ()
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9/30/11 9:56:11 AM com.apple.syncservices.SyncServer[4122] 2011-09-30 09:56:11.257 iCalExternalSync[4950:903] [ICalExternalSync ]#2 0x00007fff88e3e5d7 in +[NSException raise:format:arguments:] ()
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~/library/preferences/com.apple.iCal.helper.plist
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[NSUserDefaults setObject:forKey:]: Attempt to insert non-property valu
Hi all
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2012-06-14 22:41:31.843 ProControl[3630:403] *** -[NSUserDefaults setObject:forKey:]: Attempt to insert non-property value '{
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}' of class '__NSCFDictionary'. Note that dictionaries and arrays in property lists must also contain only property values.
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Do you mean the number 1 pertaining to "Loggining Enabled" = 1?
If so this should be a [NSNumber numberWithBool: YES] which is already in the userdefauts.plist. before copying the original dictionary.
The method save should be copying a dictionary from the .plist and only changing the dictionary entry for "Save Location" which is a NSString. It shouldn't be doing anything to the "Logging Enabled" entry which as I say should already be a NSNumber numberWithBool . Plus seeing as you can change the line
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If you follow the advice of the previous poster Julie Kmoch and then gradualy add presets back in one at a time you might be able to find the one that is causing the issue. I may be guessing, but I believe the issue has something to do with either an incompatible Preset setting (eg a older preset in newer version of LR) or a corrupt Preset.
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Haven't tried the preferences yet, was thinking about it though. I'll try tonight.
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