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我有一个 IkImageBrowserView 实例，用于在我的应用程序中显示文件中的图片。一切正常，但用另一个视图替换它。

    2012-05-23 12:37:29.690 test[3595:903] --ImageKit Error: IKCacheDatabase::entryAtIndex - bad index
    2012-05-23 12:37:29.691 test[3595:903] --ImageKit Error: entry #-1 doesn't exist
    2012-05-23 12:37:29.691 test[3595:903] --ImageKit Error: IKCacheDatabase::entryAtIndex - bad index
    2012-05-23 12:37:29.692 test[3595:903] --ImageKit Error: entry #-1 doesn't exist
    2012-05-23 12:37:29.693 test[3595:903] --ImageKit Error: IKCacheDatabase::entryAtIndex - bad index
    2012-05-23 12:37:29.693 test[3595:903] --ImageKit Error: IKCacheDatabase::entryAtIndex - bad index
    2012-05-23 12:37:29.693 test[3595:903] --ImageKit Error: IKCacheDatabase::entryAtIndex - bad index
    2012-05-23 12:37:29.694 test[3595:903] --ImageKit Error: entry #-1 doesn't exist
    2012-05-23 12:37:29.695 test[3595:903] --ImageKit Error: IKCacheDatabase::entryAtIndex - bad index
    2012-05-23 12:37:29.695 test[3595:903] --ImageKit Error: entry #-1 doesn't exist
    2012-05-23 12:37:29.696 test[3595:903] --ImageKit Error: ram manager::bind can't find cache node with uid: -1 size: 44

我做了一些实验，发现这个消息不会导致应用程序崩溃。而不是每次我用其他视图替换浏览器视图时都会发生。有时我关闭视图，消息也会出现。下面的代码是 browserView 项。根据错误消息，它可能是由图像缓存引起的..但我找不到问题所在

    @interface ASFileBrowserViewItem : NSObject
    @property(retain) NSImage* itemImage;
    @property(retain) NSString* imagePath;
    - (id)initWithPath:(NSString*)path;
    @end

    #import "ASFileBrowserViewItem.h"
    #import <Quartz/Quartz.h>
    @implementation ASFileBrowserViewItem
    @synthesize itemImage = _itemImage;
    @synthesize imagePath = _imagePath;
    - (id)initWithPath:(NSString*)path
    {
        self = [super init];
        if (self) {
            self.imagePath = path;
            _itemImage = [[NSImage alloc] initWithContentsOfFile:path];
        }
        return self;
    } 

    - (void)dealloc
    {
        [_imagePath release];
        [_itemImage release];
        [super dealloc];
    }
    #pragma mark require from IKImageBrowserView Protocol
    - (NSString *) imageUID
    {
        return _imagePath;
    }
    - (NSString *) imageRepresentationType
    {
        return IKImageBrowserNSImageRepresentationType;
    }
    - (id) imageRepresentation
    {
        return _itemImage;
    }
    - (NSString *) imageTitle
    {
        return [_imagePath lastPathComponent];
    }
    @end
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