Re: Assertion failure in -[NSNextStepFrame lockFocus]

FROM : Apparao Mulpuri
DATE : Thu May 15 11:24:37 2008

Here is the Stacktrace:

2008-05-15 14:45:33.469 MyCocoaApp[554:10b] NSExceptionHandler has
recorded the following exception:
NSInternalInconsistencyException -- -[NSNextStepFrame(0x12e0d0)
lockFocus] failed with window=0x145b30, windowNumber=340, [self
isHiddenOrHasHiddenAncestor]=0
Stack trace:  0x34dbc  0x9416676c  0x95df9e04  0x9112cde4  0x9569235c
0x956914c8  0x955e5498  0x955e52f8  0x95d8b018  0x95d8c1c8  0x92d823a8
0x92d82134  0x92d8200c  0x955e33c0  0x955e2d88  0x955dca44
0x955ad448  0x251c  0x2220  0x1
2008-05-15 14:45:33.470 MyCocoaApp[554:10b]
-[NSNextStepFrame(0x12e0d0) lockFocus] failed with window=0x145b30,
windowNumber=340, [self isHiddenOrHasHiddenAncestor]=0
2008-05-15 14:45:33.508 MyCocoaApp[554:10b] *** Assertion failure in
-[NSNextStepFrame lockFocus],
/SourceCache/AppKit/AppKit-949.27/AppKit.subproj/NSView.m:4751


On Thu, May 15, 2008 at 10:01 AM, Jens Alfke <<email_removed>> wrote:
>
> On 14 May '08, at 9:17 PM, Apparao Mulpuri wrote:
>

>>> ** Assertion failure in -[NSNextStepFrame lockFocus],
>>> /SourceCache/AppKit/AppKit-949.27/AppKit.subproj/NSView.m:4751
>>> May 14 17:37:39 apparao-power-mac-g5 MyCocoaApp[123]:
>>> -[NSNextStepFrame(0x143610) lockFocus] failed with window=0x142e60,
>>> windowNumber=62, [self isHiddenOrHasHiddenAncestor]

>
> What's the backtrace?
> Set a breakpoint at objc_exception_throw to find out.
>
> —Jens