SQLite3 strange error - iphone

I have a simple iphone/ipad application... but now, mysteriously, when i touch on any textfield (in UIWebView or in UIView, it's the same), the log console give me this error:
2011-01-08 20:47:17.242 App_tab[298:207] sqlite3_prepare 'SELECT name, size, width, height, bpr, format FROM store WHERE key=?' failed: 'no such table: store' (1)
2011-01-08 20:47:17.474 App_tab[298:207] sqlite3_prepare 'INSERT INTO store VALUES (?,?,?,?,?,?,?,?)' failed: 'no such table: store' (1)
2011-01-08 20:47:17.475 App_tab[298:207] '(null)' no such table: store (21)
the app continue work, but i have a lot of these errors...
Please note that:
don't have any sql database
don't have any sql framework
don't save data on disk.
This problem come from today and i don't know a method to solve it!
EDIT: Ah, it appears in all projects that i open with my xcode!
Any idea?
It's very strange and i don't able to debug...
thanks,
alberto.

Reset the simulator in the simulator menu.

I think you select the "Core data" option when creating the project, I suggest review the code that initializes the core data infrastructures in you application delegate, hope this fixes the error.

Related

This may slow down the debug session, how can I overcome this?

I got two error reports like this
warning: Unable to read symbols for /Developer/Platforms/iPhoneOS.platform/DeviceSupport/5.0.1 (9A405)/Symbols/System/Library/TextInput/Riven.bundle/Riven (file not found).
warning: No copy of Riven.bundle/Riven found locally, reading from memory on remote device.  This may slow down the debug session.
and
[3/22/12 3:42:04 PM] SHINE: 2012-03-22 15:41:29.958 SoundReport[4354:707] setting the first responder view of the table but we don't know its type (cell/header/footer)
Regarding first problem, Its the warning of iOS od sdk, you can not do much to remove it and also it will not effect your app.
For second error you are trying to set becomeFirstResponder I guess so and its in tableView, its tough to say exactly without code.provide some code for the tableView.

XCode debugger not helping find device-only issue

So, I have an iOS tabbed app (live and free in the store [http://itunes.com/apps/iphoundyou]). One tab is a grouped tableview, with the number of groups (1 or 2) dependent on some JSON that a web service returns. The JSON is valid and straightforward. Handling it seems to be easy, and, when run in the simulator, behaves as expected. However, I just found that when run on the device, if the two section reaction is needed...it crashes.
"ok" I thought "I'll just hook up my device, launch the debugger, replicate the crash, and figure out where I have a bug"
However, when I did that, I get the most unhelpful response I could expect:
So, given that it works in the simulator, is there any suggestions as to how else to track down the flaw? The code for the tableview is nothing special, along the lines of "if this JSON key exists, number of sections=2...with the number of rows of that section equal to the number of items in another array within the JSON"
Another note: I recently started seeing a dozen or so of these when launching an app:
unable to read unknown load command 0x25
unable to read unknown load command 0x26
Thanks so much.
In my case it turned out that it was just my own error: I'd updated my device OS but didn't have that SDK (I was behind in updating XCode)

iphone core data app crash

I'm able to complete my iphone app using core data internally.
But for the first time when I'm running in simulator or on device its crashing with following error:
2010-03-18 10:55:41.785 CrData[1605:4603] Unresolved error Error Domain=NSCocoaErrorDomain Code=513 UserInfo=0x50448d0 "Operation could not be completed. (Cocoa error 513.)", {
NSUnderlyingException = Error validating url for store;
}
When I run the app again in simulator or on device, its running perfectly. I'm not able to identify the exact problem. Can some one guide me on how to proceed further???
You need to unroll the errors and see what is going on. Inside of that error (which you can set a break point on objc_exception_thrown to catch it) is the userInfo dictionary which you can interrogate to see what the underlying errors are.
update
What does your NSPersistentStoreCoordinator creation code look like?
Did you add a break point and do a po [error userInfo] so see if there were any additional errors in the userInfo?
Core Data can and does send you a hierarchy of errors and frequently on a small amount of information is exposed at the top error. Unrolling the errors via the debugger is best to determine the underlying causes.
update
Code error 513 means, write permissions for creating store in core data app failed. But the same piece of code is running well from next time. So, what might be the actual problem is not known to me..... how to proceed here.
Again, what does your persistent store creation code look like? You need to post some code so that I can take a look at it. Otherwise I am just guessing which is no fun.
8.2 has become more strict on the location (and permissions) of your persistent store. I've just seen the "513" error appear when the database was stored in the bundle and used with a read only option. Using a device with 8.1 it worked without failing, but on 8.2 the error and exception appeared causing a crash. On the simulator the exception did not occur and happily continued to work.
The solution that worked to copy the database into the application documents directory at start up.
NSFileManager copyItemAtURL:toURL:error will come in useful.

How to debug 'no entities specified' when working with ZSync and CoreData Syncing

I'm trying to get ZSync to work between a desktop and iPhone app. I've got my schemas set up and all info matches between my MOM and my schema so I should be good to go. When I initiate my sync, however, I get this error.
|Miscellaneous|Error| SyncServices
precondition failure in [ISyncSession
_validateClient:entityNames:beforeDate:clientHasTruthForEntityNames:target:selector:]:
no entities specified
Anyone know what this means, and how to debug it?
I'm a novice with this SyncServices stuff.
Cheers!
Update
Ok, I've got it showing in syncrospector, but still getting the unrecognized error.
What do you mean by my clientdescription at the Daemon is wrong?
Thanks.
Update
Alright, I had the clientDescription working , but now when this fires:
ZAssert([[ISyncManager sharedManager]
registerSchemaWithBundlePath:path],
#"Failed to register sync schema");
I get this error :(
[NOTE: this exception originated in
the server.]
*** -[NSCFArray insertObject:atIndex:]: attempt to
insert nil
This is an issue in your Sync Services settings. It means that you have not declared what entities need to be synced. I suggest comparing your SyncSchema subproject (for your desktop app side) to the one included in the SampleDesktop project.
update
I checked all that, to no avail. I am using a versioned mom, would that make a difference? In my ManagedObjectModels, should I use the name of the version or the collection? (mom or momd?) Thanks, I'm almost there!
No, the schema should point to your latest model. Are you certain that it is pointing to it correctly? That can be one of the trickiest bits. Are you including the model in the schema bundle or are you making a reference to it?
update
First, please put these updates into your question, the comment section is really not meant for them.
Alright, got past this problem. Syncing starts now I get "failed to register client because: client named Xmac wants to sync unrecognized entity named: X.Entity" This happens with all my entities, sadly.
This error means that your sync schema is still not completely valid. Does your desktop client sync?
Can you see its data in the syncrospector?
If so then your clientdescription at the Daemon is wrong. If it doesn't sync then solve that first as it sounds like your SyncSchema bundle is still incorrect. I suggest trying to compare it against the sampleDesktop application that is included in the project.
update Syncrospector
Ok, I've got it showing in syncrospector, but still getting the unrecognized error. What do you mean by my clientdescription at the Daemon is wrong? Thanks.
In the syncrospector I am guessing that you are seeing all of your entities and data?
On the Daemon, there is a clientDescription.plist. This plist describes what data that the Daemon is going to sync with. That plist needs to be updated (since the default one refers to the sample app, etc.) to reference your data structures just like your desktop application does.
In the very near future, this piece will be moved to a plugin so that you are not modifying the daemon directly. Expect to see updates on the project itself during the next couple of weeks. But for now, (and will be reusable), modify the plist inside of the daemon and you should be ready to sync.
update ZAssert
That line unwinds into:
BOOL success = [[ISyncManager sharedManager] registerSchemaWithBundlePath:path];
NSAssert(success, #"Failed to register sync schema");
A few things can cause this:
Your path is nil, check that in the debugger
There is something wrong with your sync schema.
What other debug comments are you seeing?

Weird Error from Xcode Debugger

I am using SQL lite database in my iPhone app. I have a refresh button on my Home screen and upon click of then refresh button I parse data from my web service and store the results into a SQL lite database. When I click on refresh button repeatedly I get an error. The error occurs after a variable number of clicks/refreshes each time. The error is:
Failed to load debugging library at:
/Developer/Applications/Xcode.app/Contents/PlugIns/GDBMIDebugging.xcplugin/Contents/Resources/PBGDBIntrospectionSupport.A.dylib
Custom data formatters are disabled.
Error message was: 0xe00805 "dlopen(/Developer/Applications/Xcode.app/Contents/PlugIns/GDBMIDebugging.xcplugin/Contents/Resources/PBGDBIntrospectionSupport.A.dylib, 10): image not found"`
After this error, my app crashes and when I logged the error it gives me an error "Unable to open database"
Please help me to resolve this error.
Thanks
Sandy
It would appear that the debugger is having a problem loading the data formatters that create the displays for various datatypes in the debugger window's variable display panel. If you've added any customer formatters, you should remove them.
Try running the program without the debugger and see if you get a crash. If so, the problem is in the app. If not, it's most likely in Xcode itself. I would test a dummy project and see if you get the same error.
It's possible there is hellish recursion somewhere in your code. I have seen that bring the debugger down but not with this error message.