Why do i get this error?

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nob - 27 Jul 2005 03:19 GMT

can someone help me, y do i get this error?
===============================================
2005-07-27 09:55:19.605 tryXML[345] An uncaught exception was raised
2005-07-27 09:55:19.610 tryXML[345] *** -[NSCFArray objectAtIndex:]:
index (1) beyond bounds (0)
2005-07-27 09:55:19.613 tryXML[345] *** Uncaught exception:
<NSRangeException> *** -[NSCFArray objectAtIndex:]: index (1)
beyond bounds (0)

tryXML has exited due to signal 5 (SIGTRAP).

below is my code
===============================================
NSXMLNode *aNode =[xmlDoc rootElement];
NSMutableArray *arr = [NSMutableArray array];

aNode = [aNode nextNode];
aNode = [aNode childAtIndex:13];
int i;

arr = [NSMutableArray arrayWithObjects: nil];

for(i = 0; i <= 1; i++){
aNode = [aNode childAtIndex:1+i];
aNode = [aNode childAtIndex:1];
[arr addObject:[NSString stringWithString:[aNode stringValue]]];
}//end for
[node1 setStringValue:[arr objectAtIndex:0]];
[node2 setStringValue:[arr objectAtIndex:1]];
===============================================

is there sth wrong with my array? :(

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Ulrich Hobelmann - 27 Jul 2005 09:27 GMT

> arr = [NSMutableArray arrayWithObjects: nil];

empty array, I would call [NSMutableArray array] here I think.
(or [NSMutablearray arrayWithObject: nil]) if that's what you mean.

> for(i = 0; i <= 1; i++){
> aNode = [aNode childAtIndex:1+i];
> aNode = [aNode childAtIndex:1];
> [arr addObject:[NSString stringWithString:[aNode stri

array with one object.

ngValue]]];

> }//end for
> [node1 setStringValue:[arr objectAtIndex:0]];
> [node2 setStringValue:[arr objectAtIndex:1]];

I guess it's the above line that fails? You might want to try it
out in the XCode debugger.

Signature

XML is a prime example of retarded innovation.
-- Erik Meijer and Peter Drayton, Microsoft Corporation

Reply to this Message

David Phillip Oster - 27 Jul 2005 16:37 GMT

> can someone help me, y do i get this error?

> 2005-07-27 09:55:19.610 tryXML[345] *** -[NSCFArray objectAtIndex:]:
> index (1) beyond bounds (0)

...

> aNode = [aNode childAtIndex:1+i];

how many children does aNode have?

Signature

David Phillip Oster

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Mac Forum / Programming / Mac Programming / July 2005

Why do i get this error?